From 115d008392113efc6f844baa7cc407e9eaae63db Mon Sep 17 00:00:00 2001 From: ngie Date: Mon, 5 Oct 2015 03:25:30 +0000 Subject: Remove some paths preparing for a re-copy from head --- contrib/ipfilter/HISTORY | 1830 ---------------------------------------------- 1 file changed, 1830 deletions(-) delete mode 100644 contrib/ipfilter/HISTORY (limited to 'contrib/ipfilter/HISTORY') diff --git a/contrib/ipfilter/HISTORY b/contrib/ipfilter/HISTORY deleted file mode 100644 index 8b67de7..0000000 --- a/contrib/ipfilter/HISTORY +++ /dev/null @@ -1,1830 +0,0 @@ -# -# NOTE: Quite a few patches and suggestions come from other sources, to whom -# I'm greatly indebted, even if no names are mentioned. -# -# Thanks to the Coombs Computing Unit at the ANU for their continued support -# in providing a very available location for the IP Filter home page and -# distribution center. -# -# Thanks also to all those who have contributed patches and other code, -# and especially those who have found the time to port IP Filter to new -# platforms. -# -5.1.2 - RELEASED - 22 Jul 2012 - -3546266 macro letters could be more consistent -3546265 not all of the state statistics are displayed -3546261 scripts for updating BSD environment out of date -3546260 compiler warnings about non-integer array subscript -3546259 asserting numdereflists == 0 is not correct -3546258 expression matching does not see IPF_EXP_END -3544317 ipnat/ipfstat are not using ipfexp_t -3545324 proxy checksum calculation is not hardware aware -3545321 FTP sequence number adjustment incorrectly applied -3545320 EPSV is not recognised -3545319 move nat rule creation to ip_proxy.c -3545317 better feedback of checksum requirements for proxies -3545314 ftp proxy levels do not make sense -3545312 EPRT is not supported by ftp proxy -3544318 ipnat.conf parsing ignores LHS address family -3545309 non-ipv6 safe proxies do not fail with ipv6 -3545323 NAT updates the source port twice -3545322 ipv6 nat rules cannot start proxies -3544314 bucket copyout tries to copy too much data -3544313 remove nat encap feature -3546248 compat rule pointer type mismatch -3546247 UDP hardware checksum offload not recognised -3545311 ifp_ifaddr does not find the first set address -3545310 ipmon needs ipl_sec on 64bit boundary -3545326 reference count changes made without lock -3544315 stateful matching does not use ipfexp_t -3543493 tokens are not flushed when disabled -3543487 NAT rules do not always release lookup objects -3543491 function comments in ip_state.c are old -3543404 ipnat.conf parsing uses family/ip version badly -3543403 incorrect line number printed in ipnat parsing errors -3543402 Not all NAT statistics are printed -3542979 NAT session list management is too simple -3542978 ipv4 and ipv6 nat insert have common hash insertion -3542977 ipnat_t refence tracking incomplete -3542975 proxies must use ipnat_t separately -3542980 printing ipv6 expressions is wrong -3542983 ippool cannot handle more than one ipv6 address -3543018 mask array shifted incorrectly. -3542974 reason for dropping packet is lost -3542982 line numbers not recorded/displayed correctly by ipf -3542981 exclamation mark cuases trouble with pools -3541655 test suite checksums incorrect -3541653 display proxy fail status correctly -3540993 IP header offset excluded in pullup calculations -3540994 pullupmsg does not work as required -3540992 pointer to ipv6 frag header not updated on pullup -3541645 netmask management adds /32 for /0 -3541637 ipnat parser does not zero port fields for non-port protocol -3541635 pool names cannot by numbers -3540995 IPv6 fragment tracking does not always work -3540996 printing of nextip for ipv6 nat rules is wrong -3540999 ipnat.conf parsing has trouble with icmpidmap for ipv6 -3540825 whois output parsing error for ipv6 -3540814 ipfd_lock serves no purpose -3540810 lookup objects need tail pointers -3540809 refactor hash table lookups for nat -3540819 radix tree does not work with ipv6 -3540820 mutex emulation should be logged -3540828 ipfstat filtering with -m fails tests -3536480 ippool could be more like the others -3536477 pool printing not uniform -3536483 flushing empty destination lists causes panic -3536481 more use of bzero after KMALLOC required -3536479 ipnat.conf line numbers not stored -3536484 Makefile missing dependency for ippool -3536199 TFTP proxy requires something extra -3536198 ICMP checksum out by one -3536203 ipnat does not return an error -3536201 ipf.conf parsing too address friendly -3536200 printing of bytes/packets not indented -3497941 ipv4 multicast detection incorrect on little endian -3535361 to interfaces printed out of order -3535363 ipf parser is inconsistent -3532306 deleting ipnat rules does not work -3532054 new error required for ipf_rx_create -3532053 icmp6 checksums wrong -3532052 icmpv6 state check with incorrect length -3531871 checksum verification wants too many icmp6 bytes -3531870 ipnat.conf parsing needs to support inet6 -3532048 error in ipf group parsing -3531868 ICMPV6 checksum not validated -3531893 ipftest exits without error for bad input -3531890 whois pool parsing builds bad structures -3531891 icmpv6 text parsing ignorant of icmp types -3531653 rewrite with icmp does not work -3530563 NAT operations fail with EPERM -3530544 first pass at gcc -Wextra cleanup -3530540 lookup create functions do not set error properly -3530539 ipf_main_soft_destroy doesn't need 2nd arg -3530541 reorder structure for better packing -3530543 ipnat purge needs documentation -3530515 BSD upgrade script required -3528029 ipmon bad-mutex panic -3530247 loading address pools light on input validation -3530255 radix tree delete uses wrong lookup -3530254 radix tree allocation support wrong -3530264 ipmon prints qd for some 64bit numbers -3530260 decapsulate rules not printed correctly. -3530266 ipfstat -v/-d flags confused -2939220 why a packet is blocked is not discernable -2939218 output interface not recorded -2941850 use of destination lists with to/dup-to beneficial -3457747 build errors introduced with radix change -3535360 timeout groups leak -3535359 memory leak with tokens -3535358 listing rules in groups requires tracking groups -3535357 rule head removal is problematic -3530259 not all ioctl error checked wth SIOCIPFINTERROR -3530258 error routine that uses fd required -3530253 inadequate function comment blocks -3530249 walking lookup tables leaks memory -3530241 extra lock padding required for freebsd -3529901 ipf returns 0 when rules fail to load -3529491 checksum validation could be better -3529486 tcp checksum wrong for ipv6 -3533779 ipv6 nat rules missing inet6 keyword -3532693 ipnat.conf rejects some ipv6 addresses -3532691 ipv4 should not be forced for icmp -3532689 ipv6 nat rules do not print inet6 -3532688 ipv6 address always printed with "to " -3532687 with v6hdrs not supported like with ipopts -3532686 ipf expressions do not work with ipv6 -3540825 whois output parsing error for ipv6 -3540818 NAT for certain IPv6 ICMP packets should not be allowed -3540815 memory leak with destination lists -3540814 ipfd_lock serves no purpose -3540810 lookup objects need tail pointers -3540809 refactor hash table lookups for nat -3540808 completed tokens do not stop iteration -3530492 address hash table name not used -3528029 ipmon bad-mutex panic -3530256 hook memory leaked -3530271 pools parsing produces badly formed address structures -3488061 cleanup for illumos build -3484434 SIOCIPFINTERROR must work for all devices -3484067 mandoc -Tlint warnings to be fixed -3483343 compile warning in ipfcomp.c -3482893 building without IPFILTER_LOG fails -3482765 building netbsd kernel without inet6 fails -3482116 ipf_check frees packet from ipftest -3481663 does not compile on solaris 11 - -5.1.1 - RELEASED - 9 May 2012 - -3481322 ip_fil_compat.c needs a cleanup -3481211 add user errors to dtrace -3481152 compatibility for 4.1 needs more work -3481153 PRIu64 problems on FreeBSD -3481155 ipnat listing incorrect -3480543 change leads to compat problems -3480538 compiler errors from earlier patch -3480537 ipf_instance_destroy is incomplete -3480536 _fini order leads to panic -3479991 compiler warnings about size mismatches -3479974 copyright dates are wrong (fix) -3479464 add support for leaks testing -3479457 %qu is not the prefered way -3479451 iterators leak memory -3479453 nat rules with pools leak -3479454 memory leak in hostmap table -3479461 load_hash uses memory after free -3479462 printpool leaks memory -3479452 missing FREE_MB_T to freembt leaks -3479450 ipfdetach is called when detached -3479448 group mapping rules memory leak -3479455 memory leak from tuning -3479458 ipf must be running in global zone -3479460 driver replace is wrong -3479459 radix tree tries to free null pointer -3479463 rwlock emulation does not free memory -3479465 parser leaks memory -3475959 hardware checksum not correctly used -3475426 ip pseudo checksum wrong -3473566 radix tree does not delete dups right -3472987 compile is not clean -3472337 not everything is zero'd -3472344 interface setup needs to be after insert -3472340 wildcard counter drops twice -3472338 change fastroute interface -3472335 kernel lock defines not placed correctly -3472324 ICMP INFOREQ/REPLY not handled -3472330 multicast packets tagged by address -3472333 ipf_deliverlocal called incorrectly -3472345 mutex debug could be more granular -3472761 building i19 regression is flawed -3456457 use of bsd tree.h needs to be removed -3460522 code cleanup required for building on freebsd -3459734 trade some cpu for memory -3457747 build errors introduced with radix change -3457804 build errors from removal of pcap-int,h -3440163 rewrite radix tree -3428004 snoop, tcpdump, etherfind readers are unused -3439495 ipf_rand_push never called (fix brackets) -3437732 getnattype does not need to use ipnat_t (fix variable name) -3437696 fr_cksum is a nightmare -3439061 ipf_send_ip doesn't need 3rd arg -3439059 ipid needs to be file local -3437740 complete buildout of fnew -3438575 add dtrace probes to block events -3438347 comment blocks missing softc -3437687 description of ipf_makefrip wrong -3438340 more stats as dtrace probes -3438316 free on nat structure uses fixed size -3437745 nat iterator using the wrong size -3437710 fail checksum verification if packet is short -3437696 fr_cksum is a nightmare -3437732 getnattype does not need to use ipnat_t -3437735 rename ipf_allocmbt to allocmbt -3437697 fr_family to version assignment is wrong -3437746 ap_session_t has unused fields -3437747 move softc structure to .h file (ip_state.c) -3437704 there is no DTRACE_PROBE5 -3437748 wrong interface in qpktinfo_t -3437729 create function to hexdump mb_t -3438273 msgdsize should be easier to read -3437683 object direction not set for 32bit -3433767 calling ip_cksum could be easier -3433764 left over locking -3428015 printing proxy data size is useless -3428013 add M_ADJ to hide adjmsg/m_adj -3428012 interface name is not always returned correctly -3428002 ip_ttl is too low -3427997 ipft readers do not set buffer length -3426558 resistence is futile -3424495 various copy-paste errors -1826936 shall we allow ipf to be as dumb as its admin -3424477 specfuncs needs to go -3424484 missing fr_checkv6sum -3424478 one entry at a time -2998760 auth rules do not mix well with to/dup-to/fastroute -3424195 add ctfmerge to sunos5 makefile -3424132 some dtrace probes to start with -3423812 makefile needs ip_frag.h for some files -3423817 reference count useful in verbose output -3423800 walking lists does not drop reference -3423805 fragmentation stats not reported correclty -3423808 ip addresses reportied incorrectly with ipfstat -f -3423821 track packets and bytes for fragmentation -3423803 attempt to double free rule -3423805 fragmentation stats not reported correctly -3422712 system panic with ipfstat -f -3422619 pullup counter bumped for every packet -3422608 dummy rtentry required to build -3422018 frflush next to ipf_fini_all is redundant -3422012 instance cleanup is not clean -3421845 instance name not set -3005622 ip_fil5.1.0 does not load on Solaris 10 U8 -2976332 stateful filtering is incompatible with ipv4 options -3387509 ipftest needs help construction ip packets with options -2998746 passp can never be null -3064034 mbuf clobbering problem with ipv6 -3105725 ipnat divide by zero panic -2998750 ipf_htent_insert can leak memory -3064034 mbuf clobbering problem with ipv6 -3105725 ipnat divie by zero panic - -5.1 - RELEASED - 9 May 2010 - -* See WhatsNew50.txt - -4.1 - RELEASED - 12 February 2004 - -4.0-BETA1 20 August 2003 - -support 0/32 and 0/0 on the RHS in redirect rules - -where LHS and RHS netmasks are the same size for redirect, do 1:1 mapping -for bimap rules. - -allow NAT rule to match 'all' interfaces with * as interface name - -do mapping of ICMP sequence id#'s in pings - -allow default age for NAT entries to be set per NAT rule - -provide round robin selection of destination addresses for redirect - -ipmon can load a configuration file with instructions on actions -to take when a matching log entry is received - -now requires pfil to work on Solaris & HP-UX - -supports mapping outbound connections to a specific address/port - -support toggling of logging per ipfilter 'device' - -use queues to expire data rather than lists - -add MSN RPC proxy - -add IRC proxy - -support rules with dynamic ip addresses - -add ability to define a pool of addresses & networks which can then -be placed in a single rule - -support passing entire packet back to user program for authentication - -support master/slave for state information sharing - -reorganise generic code into a lib directory and make libipf.a - -user programs enforce version matching with the kernel - -supports window scaling if seen at TCP session setup - -generates C code from filter rules to compile in or load as native -machine code. - -supports loading rules comprised of BPF bytecode statements - -HP-UX 11 port completed - -and packets-per-second filtering - -add numerical tags to rules for filtering and display in ipmon output - -3.4.4 23/05/2000 - Released - -don't add TCP state if it is an RST packet and (attempt) to send out -RST/ICMP packets in a manner that bypasses IP Filter. - -add patch to work with 4.0_STABLE delayed checksums - -3.4.3 20/05/2000 - Released - -fix ipmon -F - -don't truncate IPv6 packets on Solaris - -fix keep state for ICMP ECHO - -add some NAT stats and use def_nat_age rather than DEF_NAT_AGE - -don't make ftp proxy drop packets - -use MCLISREFERENCED() in tandem with M_EXT to check if IP fields need to be -swapped back. - -fix up RST generation for non-Solaris - -get "short" flag right for IPv6 - -3.4.2 - 10/5/2000 - Released - -Fix bug in dealing with "hlen == 1 and opt > 1" - Itojun - -ignore previous NAT mappings for 0/0 and 0/32 rules - -bring in a completely new ftp proxy - -allow NAT to cause packets to be dropped. - -add NetBSD callout support for 1.4-current - -3.4.1 - 30/4/2000 - Released - -add ratoui() and fix parsing of group numbers to allow 0 - UINT_MAX - -don't include opt_inet6.h for FreeBSD if KLD_MODULE is defined - -Solaris must use copyin() for all types of ioctl() args - -fix up screen/tty when leaving "top mode" of ipfstat - -linked list for maptable not setup correctly in nat_hostmap() - -check for maptable rather than nat_table[1] to see if malloc for maptable -succeeded in nat_init - -fix handling of map NAT rules with "from/to" host specs - -fix printout out of source address when using "from/to" with map rules - -convert ip_len back to network byte order, not plen, for solaris as ip_len -may have been changed by NAT and plen won't reflect this - -3.4 - 27/4/2000 - Released - -source address spoofing can be turned on (fr_chksrc) without using -filter rules - -group numbers are now 32bits in size, up from 16bits - -IPv6 filtering available - -add frank volf's state-top patches - -add load splitting and round-robin attribute to redirect rules - -FreeBSD-4.0 support (including KLD) - -add top-style operation mode for ipfstat (-t) - -add save/restore of IP Filter state/NAT information (ipfs) - -further ftp proxy security checks - -support for adding and removing proxies at runtime - -3.3.13 26/04/2000 - Released - -Fix parsing of "range" with "portmap" - -Relax checking of ftp replies, slightly. - -Fix NAT timeouts for ICMP packets - -SunOS4 patches for ICMP redirects from Jurgen Keil (jk@tools.de) - -3.3.12 16/03/2000 - Released - -tighten up ftp proxy behaviour. sigh. yuck. hate. - -fix bug in range check for NAT where the last IP# was not used. - -fix problem with icmp codes > 127 in filter rules caused bad things to -happen and in particular, where #18 caused the rule to be printed -erroneously. - -fix bug with the spl level not being reset when returning EIO from -iplioctl due to ipfilter not being initialized yet. - -3.3.11 04/03/2000 - Released - -make "or-block" work with lines that start with "log" - -fix up parsing and printing of rules with syslog levels in them - -fix from Cy Schubert for calling of apr_fini only if non-null - - -3.3.10 24/02/2000 - Released - -* fix back from guido for state tracking interfaces - -* update for NetBSD pfil interface changes - -* if attaching fails and we can abort, then cleanup when doing so. - -julian@computer.org: -* solaris.c (fr_precheck): After calling freemsg on mt, set it point to *mp. -* ipf.c (packetlogon): use flag to store the return value from get_flags. -* ipmon.c (init_tabs): General cleanup so we do not have to cast - an int s->s_port to u_int port and try to check if the u_int port - is less than zero. - -3.3.9 15/02/2000 - Released - -fix scheduling of bad locking in fr_addstate() used when we attach onto -a filter rule. - -fix up ip_statesync() with storing interface names in ipstate_t - -fix fr_running for LKM's - Eugene Polovnikov - -junk using pullupmsg() for solaris - it's next to useless for what we -need to do here anyway - and implement what we require. - -don't call fr_delstate() in fr_checkstate(), when compiled for a user -program, early but when we're finished with it (got fr & pass) - -ipnat(5) fix from Guido - -on solaris2, copy message and use that with filter if there is another -copy if it being used (db_ref > 1). bad for performance, but better -than causing a crash. - -patch for solaris8-fcs compile from Casper Dik - -3.3.8 01/02/2000 - Released - -fix state handling of SYN packets. - -add parsing recognition of extra icmp types/codes and fix handling of -icmp time stamps and mask requests - Frank volf - -3.3.7 25/01/2000 - Released - -sync on state information as well as NAT information when required - -record nat protocol in all nat log records - -don't reuse the IP# from an active NAT session if the IP# in the rule -has changed dynamically. - -lookup the protocol for NAT log information in ipmon and pass that to -portname. - -fix the bug with changing the outbound interface of a packet where it -would lead to a panic. - -use fr_running instead of ipl_inited. (sysctl name change on freebsd) - -return EIO if someone attempts an ioctl on state/nat if ipfilter is not -enabled. - -fix rule insertion bug - -make state flushing clean anything that's not fully established (4/4) - -call fr_state_flush() after we've released ipf_state so we don't generate -a recursive mutex acquisition panic - -fix parsing of icmp code after return-icmp/return-icmp-as-dest and add -some patches to enhance parsing strength - -3.3.6 28/12/1999 - Released - -add in missing rwlock release in fr_checkicmpmatchingstate() and fix check -for ICMP_ECHO to only be for packet, not state entry which we don't have yet. - -handle SIOCIPFFB in nat_ioctl() and fr_state_ioctl() - -fix size of friostat for SunOS4 - -fix bug in running off the end of a buffer in real audio proxy - -3.3.5 11/12/1999 - Released - -fix parsing of "log level" and printing it back out too - - is only present on Solaris2.6/7/8 - -use send_icmp_err rather than icmp_error to send back a frag-needed error -when doing PMTU - -do not use -b with add_drv on Solaris unless $BASEDIR is set. - -fix problem where source address in icmp replies is reversed - -fix yet another problem with real audio. - -3.3.4 4/12/1999 - Released - -fix up the real audio proxy to properly setup state information and NAT -entries, thanks to Laine Stump for testing/advice/fixes. - -fix ipfr_fastroute to set dst->sin_addr (Sean Farley - appears to prevent -FreeBSD 3.3 from panic'ing) as this had been removed in prior hacks to this -routine. - -fix kinstall for BSDI - -support ICMP errors being allowed through for ICMP packets going out with -keep state enabled - -support hardware checksumming (gigabit ethernet cards) on Solaris thanks to -Tel.Net Media for providing hardware for testing. - -patched from Frank Volf for ipmon (ICMP & fragmented packets) and allowing -ICMP responses to ICMP packets in the keep state table. - -add in patches for hardware checksumming under solaris - -Solaris install scripts now use $BASEDIR as appropriate. - -add Solaris8 support - -fix "ipf -y" on solaris so that it rescans rules also for changes in -interface pointers - -let ipmon become a daemon with -D if it is using syslog - -fix parsing of return-icmp-as-dest(foo) - -add reference to ipfstat -g to ipfstat.8 - -ipf_mutex needs to be declared for irix in ip_fil.c - -3.3.3 22/10/1999 - Released - -add -g command line option to ipfstat to show groups still define. - -fix problem with fragment table not recording rule pointer when called -from state functions (fin_fr not set). - -fixup fastroute problems with keep state rules. - -load rules into inactive set first, so we don't disable things like NIS -lookups half way through processing - found by Kevin Littlejohn - -fix handling of unaligned ip pointer for solaris - -patch for fr_newauth from Rudi Sluijtman - -fixed htons() bug in fr_tcpsum() where ip_p wasn't cast to u_short - -3.3.2 23/09/1999 - Released - -patches from Scott Presnell to fix rcmd proxy - -patches from Greg to fix Solaris detachment of interfaces - -add openbsd compatibility fixes - -fix free'ing already freed memory in ipfr_slowtimer() - -fix for deferencing invalid memory in cleaning up after a device disappears - -3.3.1 14/8/1999 - Released - -remove include file sys/user.h for irix - -prevent people from running buildsunos directly - -fix up some problems with the saving of rule pointers so that NAT saves -that information in case it should need to call fr_addstate() from a proxy. - -fix up scanning for the end of FTP messages - -don't remove /etc/opt/ipf in postremove - -attempt to prevent people running buildsolaris script without doing a -"make solaris" - -fix timeout losing on freebsd3 - -3.3 7/8/1999 - Released - -NAT: information (rules, mappings) are stored in hash tables; setup some -basic NAT regression testing. - -display version name of installed kernel code when initializing. - -add -V command line option to ipf, showing version (program and kernel -module) as well as the run-status of the kernel code. - -fix problem with "log" rules actually affecting result of filtering. - -automatically use SUNWspro if available and on a 64bit Solaris system for -compiling. - -add kernel proxies for rcmd(3) and RealAudio (PNA) - -use timeout/untimeout on SunOS4/BSD platforms too rather than hijacking -ip_slowtimo - -fix IP headers generated through parsing of text information - -fix NAT rules to be in the correct order again. - -make keep-state work with to/fastroute keywords and enforce usage of those -interfaces. - -update keep-state code with new algorithm from Guido - -add FreeBSD-3 support - -add return-icmp-as-dest option to retrun an ICMP packet using the original -destination as the source rather than a local IP address - -add "level [facility.]" option to filter language - -add changes from Guido to state code. - -add code to return EPERM if the device is opened for writing and we're -in securelevel 2 or greater. - -authentication code patches from Guido - -fix real audio proxy - -fix ipmon rule printing of interfaces and add IN/OUT to the end of ipmon -log output. - -fix bimap rules with hash tables - -update addresses used in NAT mappings for 0/32 rules for any protocol but TCP -if it changes on the interface - check every ip_natexpire() - -add redirect regression test - -count buckets used in the state hash table. - -fix sending of RST's with return-rst to use the ack number provided in -the packet being replied to in addition to the sequence number. - -fix to compile as a 64bit application on solaris7-64bit - -add NAT IP mapping to ranges of IP addresses that aren't CIDR specified - -fix calculation of in_space parameter for NAT - -fix `wrapping' when incrementing the next ip address for use in NAT - -fix free'ing of kernel memory in ip_natunload on solaris - -fix -l/-U command line options from interfering with each other - -fix fastroute under solaris2 and cleanup compilation for solaris7 - -add install scripts and compile cleanly on BSD/OS 4.0 - -safely open files in /tmp for writing device output when testing. - -fix uninitialized pointer bug in NAT - -fix SIOCZRLST (zero list rule stats) bug with groups - -change some usage of u_short to u_int in function calling - -fix compilation for Solaris7 (SUNWspro) - -change solaris makefiles to build for either sparc or i386 rather than -per-cpu (sun4u, etc). - -fixed bug in ipllog - -add patches from George Michaelson for FreeBSD 3.0 - -add patch from Guido to provide ICMP checking for known state in the same -manner as is done for NAT. - -enable FTP PASV proxying and enable wildcarding in NAT/state code for ports -for better PORT/PASV support with FTP. - -bring into main tree static nat features: map-block and "auto" portmapping. - -add in source host filtering for redirects (alan jones) - -3.2.10 22/11/98 - Released - -3.2.10beta9 17/11/98 - Released - -fix fr_tcpsum problems in handling mbufs with an odd number of bytes -and/or split across an mbuf boundary - -fix NAT list entry comparisons and allow multiple entries for the same -proxy (but on different ports). - -don't create duplicate NAT entries for repeated PORT commands. - -3.2.10beta8 14/11/98 - Released - -always exit an rwlock before expecting to enter it again on solaris - -fix loop in nat_new for pre-existing nat - -don't setup state for an ftp connection if creating nat fails. - -3.2.10beta7 05/11/98 - Released - -set fake window in ipft_tx.c to ensure code passes tests. - -cleaned up/enhanced ipnat -l/ipnat -lv output - -fixed NAT handling of non-TCP/UDP packets, esp. for ICMP errors returned. - -Solaris recusive mutex on icmp-error/tcp-reset - requires rwlock's rather -than mutexes. - -3.2.10beta6 03/11/98 - Released - -fix mixed use of krwlock_t and kmutex_t on Solaris2 - -fix FTP proxy back up, splitting pasv code out of port code. - -3.2.10beta5 02/11/98 - Released - -fixed port translation in ICMP reply handling - -3.2.10beta4 01/11/98 - Released - -increase useful statistic collection on solaris - -filter DL_UNITDATA_REQ as well as DL_UNITDATA_IND on solaris - -disable PASV reply translation for now - -fail with an error if we try to load a NAT rule with a non-existant - proxy name - Guido - -fix portmap usage with 0/0 and 0/32 map rules - -remove ap_unload/ap_expire - automatically done when NAT is cleaned up - -print "STATE:CLOSED" from ipmon if the connection progresses past established - rather than "STATE:EXPIRED" - -3.2.10beta3 26/10/98 - Released - -fixed traceroute/nat problem - -rewrote nat/proxy interface - -ipnat now lists associated proxy sessions for each NAT where applicable - -3.2.10beta2 13/10/98 - Released - -use KRWLOCK_T in place of krwlock_t for solaris as well as irix - -disable use of read-write lock acquisition by default - -add in mb_t for linux, non-kernel - -some changes to progress compilation on linux with glibc - -change PASV as well as PORT when passed through kernel ftp proxy. - -don't allow window to become 0 in tcp state code - -make ipmon compile cleaner - -irix patches - -3.2.10beta 11/09/98 - Released - -stop fr_tcpsum() thinking it has run out of data when it hasn't. - -stop solaris panics due to fin_dp being something wild. - -revisit usage of ATOMIC_*() - -log closing state of TCP connection in "keep state" - -fix fake-arp table code for ipsend. - -ipmon now writes pid to a file. - -fix "ipmon -a" to actually activate all logging devices. - -add patches for BSDOS4. - -perl scripts for log analysis donated. - -3.2.9 22/06/98 - Released - -fix byte order for ICMP packets generated on Solaris - -fix some locking problems. - -fix malloc bug in NAT (introduced in 3.2.8). - -patch from guido for state connections that get fragmented - -3.2.8 08/06/98 - Released - -use readers/writers locks in Solaris2 in place of some mutexes. - -Solaris2 installation enhancements - Martin Forssen (maf@carlstedt.se) - -3.2.7 24/05/98 - Released - -u_long -> u_32_t conversions - -patches from Bernd Ernesti for NetBSD - -fixup ipmon to actually handle HUP's. - -Linux fixes from Michael H. Warfield (mhw@wittsend.com) - -update for keep state patch (not security related) - Guido - -dumphex() uses stdout rather than log - -3.2.6 18/05/98 - Released - -fix potential security loop hole in keep state code. - -update examples. - -3.2.5 09/05/98 - Released - -BSD/OS 3.1 .o files added for the kernel. - -fix sequence # skew vs window size check. - -fix minimum ICMP header size check. - -remove references to Cybersource. - -fix my email address. - -remove ntohl in ipnat - Thomas Tornblom - -3.2.4 09/04/98 - Released - -add script to make devices for /dev on BSD boxes - -fixup building into the kernel for FreeBSD 2.2.5 - -add -D command line option to ipmon to make it a daemon and SIGHUP causes -it to close and reopen the logfile - -fixup make clean and make package for SunOS5 - Marc Boucher - -postinstall keeps adding "minor=ipf ipl" - George Ross - -protected by IP Filter gif - Sergey Solyanik - -3.2.3 10/11/97 - Released - -fix some iplang bugs - -fix tcp checksum data overrun, sgi #define changes, -avoid infinite loop when nat'ing to single IP# - Marc Boucher - -fixup DEVFS usage for FreeBSD - -fix sunos5 "make clean" cleaning up too much - -3.2.2 28/11/97 - Released - -change packet matching to return actual error, if bad packet, to facilitate -ECONNRESET for TCP. - -allow ip:netmask in grammar too now - Guido - -assume IRIX has u_int32_t in sys/types.h (needed for R10000) - -rewrite parts of command line options for ipmon - -fix TCP urgent packet & offset testing and add LAND attack test for iptest - -fix grammar error in yacc grammar for iplang - -redirect (rdr) destination port bytes-wapped when it shouldn't be. - -general: fr_check now returns error code, such as EHOSTUNREACH or -ECONNRESET (attempt to make ECONNRESET work for locally outbound -packets). - -linux: enable return-rst, need to filter tcp retransmits which are sent - separately from normal packets - -memory leak plugged in ip_proxy.c - -BSDI compatibility patches from Guido - -tcp checksum fix - Marc Boucher - -recursive mutex and ioctl param fix - Marc Boucher - -3.2.1 12/11/97 - Released - -port to BSD/OS 3.0 - -port to Linux 2.0.31 - -patches to make "map a/m -> 0/0" work with ftp proxying properly - Marc Boucher - -add "ipf -F s" and "ipf -F S" to flush state table entries. - -announce if logging is on or off when ip filter initializes. - -"ipf -F a" doesn't flush groups properly for Solaris. - -3.2 30/10/97 - Released - -ipnat doesn't successfully remove proxy mappings with "-rf" - -Alexander Romanyu - -use K&R C function style for solaris kernel code - -use m_adj() to decrease packet size in ftp proxy - -use mbufchainlen rather than msgdsize, -IRIX update - Marc Boucher - -fix NetBSD modunload bug (pfil_add_hook done twice) - -patches for OpenBSD 2.1 - Craig Bevins - -3.2beta10 24/10/97 - Released - -fix fragment table entries allocated for NAT. - -fix tcp checksum calculations over mbuf/mblk boundaries - -fix panic for blen < 0 in ftp kernel proxy - marc boucher - -fix flushing of rules which have been grouped. - -3.2beta9 20/10/97 - Released - -some nit picking on solaris2 with SUNWspro - Michael Lyle - -ftp kernel proxy patches from Marc Boucher - -3.2beta8 13/10/97 - Released - -add support for passing ICMP errors back through NAT. - -IRIX port update - Marc Boucher - -calculate correct MIN size of packet to log for UDP - Marc Boucher - -need htons(ETHERTYPE_x) on little endian BSD boxes - Dave Huang - -copyright header fixups - -3.2beta7 23/09/97 - Released - -fickup problems introduced by prior merges & changes. - -3.2beta6 23/09/97 - Released - -patch for spin-reading race condition - Marc Boucher. - -IRIX port by Marc Boucher. - -compatibility updates for Linux to ipsend - -3.2beta5 13/09/97 - Released - -patches from Bernd Ernesti for NetBSD integration (mostly prototyping and -compiler warning things) - -ipf -y will resync IP#'s allocated with 0/32 in NAT to match interface if it -changes. - -update manual pages and other documentation updates. - -3.2beta4 27/8/97 - Released - -enable setting IP and TCP options for iplang/ - -Solaris2 patches from Marc Boucher. - -add groups for filter rules. - -3.2beta3 21/8/97 - Released - -patches for Solaris2 (interface panic solution ?): fix FIONREAD and -replacing q_qinfo points - Marc Boucher - -change ipsend/* and ipsd/* copyright notices to be the same as ip filter's - -patch for SYN-ACK skew testing fix from Eric V. Smith - -3.2beta2 6/8/97 - Released - -make it load on Solaris 2.3 - -rewrote logging to remove solaris errors, introduced checking to see if the -same packet is logged successively. - -fix filter cache to work when there are no rules loaded. - -add "raw" option to ipresend to send entire ethernet frames. - -nat list corruption bug - NetBSD - Klaus Klein - -3.2beta1 5/7/97 - Released - -patches from Jason Thorpe fixing: UNSIGNED_CHAR lossage, off_t being 64bits -lossage, and other NetBSD bits. - -NetBSD 1.2G update. - -fixup fwtk patches and add protocol field for SIOCGNATL. - -rdr bugs reported by Alexander Romanyu (alexr@aix.krid.crimea.ua), with -fixes: -* rdr matched all packets of a given protocol (ignored ports). -* severe bug in nat_delete which caused system crash/freeze. - -change Makefile so that CC isn't passed on for FreeBSD/NetBSD (will use -the default CC - cc, not gcc) - -3.2alpha9 16/6/97 - Released - -added "skip" keyword. - -implement preauthentication of packets, as outlined by Guido. - -Make it compile as cleanly as possible with -Wall & general code cleanup - -getopt returns int, not char. Bernd Ernesti - -3.2alpha8 13/6/97 - Released - -code added to support "auth" rules which require a user program to allow them -through. First revision and much of the code came from Guido. - -hex output from ipmon doesn't goto syslog when recovering from out of sync -error. Luke Mewburn (lukem@connect.com.au) - -fix solaris2.6 lookup of destination ire's. - -ipnat doesn't throw away unused bits (after masking), causing it to -behave incorrectly. Carson Gaspar - -NAT code doesn't include inteface name when matching - Alexey Mavrin - - -replace old SunOS tcpip.h with new tcpip.h (from 4.4BSD) - Jason Thorpe. - -update install procedures to include ip_proxy.c - -mask out unused bits in NAT/RDR rules. - -use a generic type (u_32_t) for 32bit variables, rather than rely on -u_long being such - Jason Thorpe. - -create a local "netinet" directory and include from ~netinet/*" rather than -just "*" to make keeping the code working on ports easier. - -add an m_copydata and m_copyback for SunOS4 (based on 4.4BSD-Lite versions) - -documentation updates. - -NetBSD update from Jason Thorpe - -allow RST's through with a matching SEQ # and 0 ACK. Guido Van Rooij - -ipmon uses excessive amounts of CPU on Solaris2 - Reinhard Bertram - - -3.2alpha7 25/5/97 - Released - -add strlen for pre-2.2 kernels - Doug Kite - -setup bits and pieces for compiling into a FreeBSD-2.2 kernel. - -split up "bsd" targets. Now a separate netbsd/freebsd/bsd target. -mln_ipl.c has been split up into itself and mlf_ipl.c (for freebsd). - -fix (negative) host matching in filtering. - -add sysctl interface for some variables when compiled into FreeBSD-2.2 kernels -or later. - -make all the candidates for kernel compiling include "netinet/..." and build -a subdirectory "netinet" when compiling and symlink all .h files into this. - -add install make target to Makefile.ipsend - -3.2alpha6 8/5/97 - Released - -Add "!" (not) to hostname/ip matching. - -Automatically add packet info to the fragment cache if it is a fragment -and we're translating addreses for. - -Automatically add packet info to the fragment cache if it is a fragment -and we're "keeping state" for the packet. - -Solaris2 patches - Anthony Baxter (arb@connect.com.au) - -change install procedure for FreeBSD 2.2 to allow building to a kernel -which is different to the running kernel. - -add FIONREAD for Solaris2! - -when expiring NAT table entries, if we would set a time to fr_tcpclosed -(which is 1), make it fr_tcplaskack(20) so that the state tables have a -chance to clear up. - -3.2alpha5 - -add proxying skeleton support and sample ftp transparent proxy code. - -add printfs at startup to tell user what is happening. - -add packets & bytes for EXPIRE NAT log records. - -fix the "install-bsd" target in the root Makefile. Chris Williams - - -Fixes for FreeBSD 2.2 (and later revs) to prevent panics. Julian Assange. - -3.2alpha4 2/4/97 - Released - -Some compiler warnings cleaned up. - -FreeBSD-2.2 patches for LKM completed. - -3.2alpha3 31/3/97 - Released - -ipmon changes: -N for reading NAT logfile, -S for reading state logfile. --a for reading all. -n now toggles hostname resolution. - -Add logging of new state entries and expiration of old state entries. -count log successes and failures. - -Add logging of new NAT entries and expiration of old NAT entries. -count log successes and failures. - -Use u_quad_t for records of bytes & packets where kept -(IP Accounting: fr_hits, fr_bytes; IP state: is_pkts, is_bytes). - -Fixup use of CPU and DCPU in Makefiles. - -Fix broken 0/32 NAT mapping. Carl Makin - -3.2alpha2 - -Implement mapping to 0/32 as being an alias for automatically using the -interface's first IP address. - -Implement separate minor devices for both NAT and IP state code. - -Fully prototype all functions. - -Fix Makefile problem due to attempt to fix Sun compiling problems. - -3.1.10 23/3/97 - Released - -ipfstat -a requires a -i or -o command line option too. Print an error -when not present rather than attempt to do something. - -patch updates for SunOS4 for kernel compiling. -patch for ipmon -s (flush's syslog file which isn't good). Andrew J. Schorr - - -too many people hit their heads hard when compiling code into the kernel -that doesn't let any packets through. (fil.c - IPF_NOMATCH) - -icmp-type parsing doesn't return any errors when it isn't constructed -correctly. Neil Readwin - -Using "-conf" with modload on SunOS4 doesn't work. -Timothy Demarest - -Need to define ARCH in makefile for SunOS4 building. "make sunos4" -in INSTALL.SunOS is incorrect. James R Grinter -[all SunOS targets now run buildsunos] - -NAT lookups are still incorrect, matching non-TCP/UDP with TCP/UDP -information. ArkanoiD - -Need to check for __FreeBSD_version being 199511 rather than 199607 -in mln_ipl.c. Eric Feillant - -3.1.9 8/3/97 - Released - -fixed incorrect lookup of active NAT entries. - -patch for ip_deq() wrong for pre 2.1.6 FreeBSD. -fyeung@fyeung8.netific.com (Francis Yeung) - -check for out with return-rst/return-icmp at wrong place - Erkki Ritoniemi -(erkki@vlsi.fi) - -text_readip returns the interface pointer pointing to text on stack - -Neil Readwin - -fix from Pradeep Krishnan for printout rules "with not opt sec". - -3.1.8 18/2/97 - Released - -Diffs for ip_output.c and ip_input.c updated to fix bug with fastroute and -compiling warnings about reuse of m0. - -prevent use of return-rst and return-icmp with rules blocking packets going -out, preventing panics in certain situations. - -loop forms in frag cache table - Yury Pshenychny - -should use SPLNET/SPLX around expire routines in NAT/frag/state code. - -redeclared malloc in 44arp.c - - -3.1.7 8/2/97 - Released - -Macros used for ntohs/htons supplied with gcc don't always work very well -when the assignment is the same variable being converted. - -Filter matching doesn't not match rule which checks tcp flags on packets -which are fragments - David Wilson - -3.1.7beta 30/1/97 - Released - -Fix up NAT bugs introduced in last major change (now tested), including -nat_delete(), nat_lookupredir(), checksum changes, etc. - -3.1.7alpha 30/1/97 - Released - -Many changes to NAT code, including contributions from Laurent Joncheray - - -Use "NO_SLEEP" when allocating memory under SunOS. - -Make kernel printf's nicer for BSD/SunOS4 - -Always do a checksum for packets being filtered going out and being -processed by fastroute. - -Leave kernel to play with cdevsw on *BSD systems with LKM's. - -ipnat.1 man page fixes. - -3.1.6 21/1/97 - Released - -Allow NAT to work on BSD systems in conjunction with "pass .. to ifname" - -Memory leak introduced in 3.1.3 in NAT lists, clearing of NAT table tried -to free memory twice. - -NAT recalculates IP header checksum based on difference between IP#'s and -port numbers - should be just IP#'s (Solaris2 only) - -3.1.5 13/1/97 - Released - -fixed setting of NAT timeouts and use different timeouts for concurrent -TCP sessions using the same IP# mapping (when port mapping isn't used) - -multiple loading/unloading of LKM's doesn't clean up cdevsw properly for -*BSD systems. - -3.1.4 10/1/97 - Released - -add command line options -C and -F to ipnat to flush NAT list and table - -ipnat -l loops on output - Neil Readwin (nreadwin@nysales.micrognosis.com) - -NetBSD/FreeBSD kernel malloc changes - Daniel Carosone - -3.1.3 10/1/97 - Released - -NAT chains not constructed correctly in hash tables - Antony Y.R Lu -(antony@hawk.ee.ncku.edu.tw) - -Updated INSTALL.NetBSD, INSTALL.FreeBSD and INSTALL.Sol2 - -man page update (ipf.5) from Daniel Carosone (dan@geek.com.au) - -ICMP header checksum update now included in NAT. - -Solaris2 needs to modify IP header checksums in ip_natin and ip_natout. - -3.1.2 4/12/96 - Released - -ipmon doesn't use syslog all the time when given -s option - -fixed mclput panic in ip_input.c and replace ntohs() with NTOHS() macro - -check the results of hostname resolution in ipnat - -"make *install" fixed for subdirectories. - -problems with "ARCH:=" and gnu make resolved - -parser reports an error for lines with whitespaces only rather than skipping -them. D.Carosone@abm.com.au (Daniel Carosone) - -patches for integration into NetBSD-current (post 1.2). - -add an option to allow non-IP packets going up/down the stream on Solaris2 -to be dropped. John Bass. - -3.1.2beta 21/11/96 - Released - -make ipsend compile on Linux 2.0.24 - -changes to TCP kept state algorithm, making it watch state on TCP -connections in both directions. Also use the same algorithm for NAT TCP. - --Wall cleanup - Bernd Ernesti - -added "or-block" for "pass .. log or-block" after a suggestion from -David Oppenheim (davido@optimation.com.au) - -added subdirectories for building IP Filter in SunOS5/BSD for different -cpu architecures - -Solaris2 fixes to logging and pre-filtering packet processing - 3.1.1p2 - -mbuf logging not using mtod(), remove iplbusy - 3.1.1p1 1/11/96 - -3.1.1 28/10/96 - Released - -Installation script fixes and deinstall scripts for IP Filter on: -SunOS4/FreeBSD/NetBSD - -Man page fixes - Paul Dubois (dubois@primate.wisc.edu) - -Fix use of SOLARIS macro in ipmon, rewrote ipllog() (again!) - -parsing isn't completely case insensitive - David Wilson -(davidw@optimation.com.au) - -Release ipl_mutex across uiomove() calls - -print entire rule entries out for "ipf -z" when zero'ing per-rule stats. - -ipfstat returns same output for "hits" in "ipfstat -aio" - Terletsky Slavik -(ts@polynet.lviv.ua) - -New algorithm for setting timeouts for TCP connection (more closely follow -TCP FSM) - Pradeep Krishnan (pkrishna@netcom.com) - -Track both window sizes for TCP connections through "keep state". - -Solaris2 doesn't like _KERNEL defined in stdargs.h - Jos van Wezel -(wezel@bio.vu.nl) - -3.1.1-beta2 6/10/96 - Released - -Solaris2 fastroute/dup-to/to now works - -ipmon `record' reading rewritten - -Added post-NetBSD1.2 packet filter patches - Mathew Green (mrg@eterna.com.au) - -Attempt to use in_proto.c.diff, not "..diffs" for SunOS4 - David Wilson -(davidw@optimation.com.au) - -Michael Ryan (mike@NetworX.ie) reports the following: -* The Trumpet WinSock under Windows always sends its SYN packet with an ACK - value of 1, unlike any other implementation I've seen, which would set it - to zero. The "keep state" feature of IP Filter doesn't work when receiving - non-zero ACK values on new connection requests. -* */Makefile install rule doesn't install all the binaries/man pages -* Make ipnat use "tcp/udp" instead of "tcpudp" -* Print out "tcp/udp" properly -* ipnat "portmap tcp" matches "portmap udp" when adding/removing -* NAT dest. ip# increased by one on mask of 0xffffffff when it shouldn't - -3.1.1-beta 1/9/96 - Released - -add better detection of TCP connections closing to TCP state monitoring. - -fr_addstate() not called correctly for fragments. "keep state" and -"keep frag" code don't work together 100% - Songqing Cai -(songqing_cai@sterling.com) - -call to fr_addstate() incorrect for adding state in combination with keeping -fragment information - Songqing Cai (songqing_cai@sterling.com) - -KFREE() passed fp (incorrect) and not fr (correct) in ip_frag.c - John Hood -(cgull@smoke.marlboro.vt.us) - -make ipf parser recognise '\\' as a `continued line' marker - Dima Ruban -(dima@best.net) - -3.1.1-alpha 23/8/96 - Released - -kernel panic's when ICMP packets go through NAT code - -stats aren't zero'd properly with ipf -Z - -ipnat doesn't show port numbers correctly all the time and also add the -protocol (tcp/udp/tcpudp) to rdr output - Carson Gaspar (carson@lehman.com) - -fast checksum fixing not 100% - backout patch - Bill Dorsey (dorsey@lila.com) - -NetBSD-1.2 patches from - VaX#n8 - -Usage() call error in fils.c - Ajay Shekhawat (ajay@cedar.buffalo.edu) - -ip_optcopy() staticly defined in ip_output.c in SunOS4 - Nick Hall -(nrh@tardis.ed.ac.uk) - -3.1.0 7/7/96 - Released - -Reformatted ipnat output to be compatible with it's input, so that -"ipnat -l | ipnat -rf -" is possible. - -3.1.0beta 30/6/96 - Released - -NetBSD-1.2 patches from Greg Woods (woods@most.weird.com) - -kernel module must not be installed stripped (Solaris2), as created by -"make package" for Solaris2 - Peter Heimann -(peter@i3.informatik.rwth-aachen.de) - -3.1.0alpha 5/6/96 - Released - -include examples in package for solaris2 - -patches for removing an extra ip header checksum (FreeBSD/NetBSD/SunOS) - -removed trailing space from printouts of rules in ipf. - -ipresend supports the same range of inputs that ipftest does. - -sending a duplicate copy of a packet to another network devices is now -supported. ("dup-to") - -sending a packet to an arbitary interface is now supported, irrespective -of its actual route, with no ttl decrement. Can also be routed without -the ttl being decremented. ("to" and "fastroute"). - -"call" option added to support calling a generic function if a packet is -matched. - -show all (upto 4) recorded bytes from the interface name in logging from -ipmon. - -support for using unix file permissions for read/write access on the device -is now in place. - -recursive mutex in nat_new() for Solaris 2.x - Per L. Hagen - -ipftest doesn't call initparse() for THISHOST - Catherine Allen -(cla@connect.com.au) - -Man page corrections from Rex Bona (rex@pengo.comsmiths.com.au) - -3.0.4 10/4/96 - Released - -looop in `parsing' IP packets with optlen 0 for ip options. - -rule number not initialized and resulted in unexpected results for state -maching. - -option parsing and printing bugs - Pradeep Krishnan - -3.0.4beta 25/3/96 - Released - -wouldn't parse "keep flags keep state" correctly. - -SunOS4.1.x ip_input.c doesn't recognise all 1s broadcast address - Nigel Verdon - -patches for BSDI's BSD/OS 2.1 and libpcap reader on little endian systems -from Thorsten Lockert - -b* functions in fil.c on Solaris 2.4 - -3.0.3 17/3/96 - Released - -added patches to support IP Filter initialisation when compiled into the -kernel. - -added -x option to ipmon to display hex dumps of logged packets. - -added -H option to ipftest to allow ascii-hex formatted input to specify -arbitary IP packets. - -Sending TCP RSTs as a response now work for Solaris2 x86 - -add patches to make IP Filter compile into NetBSD kernels properly. - -patch to stop SunOS 4.1.x kernels panicing with "data traps". - -ipfboot script unloads and reloads ipf module on Solaris2 if it is already -loaded into the kernel. - -Installation of IP Filter as a Solaris2 package is now supported. - -Man pages for ipnat.4, ipnat.5 added. - -added some more regression tests and fixed up IP Filter to pass the new tests -(previous versions failed some of the tests in set 12). - -IP option filter processing has changed so that saying "with opt lsrr" will -check only for that one, but not mask out other options, so a packet with -strict source routing, along with loose source routing will match all of -"with opt lsrr", "with opt ssrr" and "with opt lsrr,ssrr". - -IPL_NAME needed in ipnat.c - Kelly (kelly@count04.mry.scruznet.com) - -patches for clean NetBSD compilation from Bernd Ernesti (bernd@arresum.inka.de) - -make install is incorrect - Julian Briggs (julian@lightwork.co.uk) - -strtol() returns 0x7fffffff for all negative numbers, -printfr() generates incorrect output for "opt sec-class *", -handling of "not opt xxx opt yyy" incorrect. -- Minh Tonthat (minht@sbei.com)/Pradeep Krishnan (pradeepk@sbei.com) - -m_pullup() called only for input and not output; caused problems -with filtering icmp - Nigel Verdon (verdenn@gb.swissbank.com) - -parsing problem for "port 1" and NetBSD patches incorrect - -Andreas Gustafsson (gson@guava.araneus.fi) - -3.0.2 4/2/96 - Released - -Corrected bug where NAT recalculates checksums for fragments. - -make NAT recalculate UDP checksums (rather than setting them to 0), -if they're non-zero. - -DNS patches - Real Page (Real.Page@Matrox.com) - -alteration of checksum recalculations in NAT code and addition of -redirection with NAT - Mike Neuman - -core dump, if tcp/udp is used with a port number and not service name, -in ipf - Mike Neuman (mcn@engarde.com) - -initparse() call, missing to prime "" hook - Craig Bishop - -3.0.1 14/1/96 - Released - -miscellaneous patches for Solaris2 - -3.0 14/1/96 - Released - -Patch included for FDDI, from Richard Ohnemus -(Richard_Ohnemus@dallas.csd.sterling.com) - -Code cleanup for release. - -3.0beta4 10/1/96 - -recursive mutex in ipfr_slowtimer fixed, reported by Craig Bishop - -recursive mutex in sending TCP RSTs fixed, reported by Tony Becker - -3.0beta3 9/1/96 - -FIxup for Solaris2.5 install and interface name bug in ipftest from -Julian Briggs (julian@lightwork.co.uk) - -Byte order patches for ipmon from Tony Becker (tony@mcrsys.com) - -3.0beta2 7/1/96 - -Added the (somewhat warped) IP accounting as it exists in ipfw on FreeBSD. -Note, this isn't really what one would call IP account, when compared to -process accounting, sigh. - -Split up ipresend into iptest/ipresend/ipsend - -Added another m_pullup() inside fr_check() for BSD style kernels and -added some checks to ipllog() to not log more than is present (for short -packets). - -Fixed bug where failed hostname/netname resolution goes undetecte and -becomes 0.0.0.0 (any) (reported Guido van Rooij) - -3.0beta 11/11/95 - Released - -Rewrote the way rule testing is done, reducing the number of files needed and -generated. - -SIOCIPFFL was incorrectly affected by IPFILTER_LOG (Mathew Green) - -Patches from Guido van Rooij to fix sending back TCP RSTs on Net-2/Net-3 -BSD based Unixes (panic'd) - -Patches for FreeBSD/i86 ipmon from Riku Kalinen -(I think someone else already told me about these but they got lost :-/) - -Changed Makefile structure to build object files for different operating -systems in separate directories by default. - -BSDI has ef0 for first ethernet interface - -Allow for a "not" operator before optional keywords. - -The "rule number" was being incorrectly incremented every time it went through -the loop rather than when it matched a rule. - -2.8.2 24/10/95 - Released - -Fixed up problems with "textip" for doing lots of testing. - -Fixed bug in detection of "short" tcp/ip packets (all reported as being short). - -Solaris 2.4 port now works 100%. - -Man page errors reported and fixed. - -Removed duplicate entry in etc/services for login on port 49 (Craig Bishop). - -Fixed ipmon output to put a space after the log-letter. - -Patch from Guido van Rooij to fix parsing problem. - -2.8.1 15/10/95 - Released - -Added ttl and tos filtering. - -Patches for fixing up compilation and port problems (little endian) -from Guido van Rooij . - -Man page problems reported and fixed by Carson Gaspar . - -ipsend doesn't compile properly on Solaris2.4 - -Lots of work done for Solaris2.4 to make it MT/MP safe and work. - -2.8 15/9/95 - Released - -ipmon can now send messages to syslogd (-s) and use names instead of -numbers (-N). - -IP packets are now "compiled" into a structure only containing filterable -bits. - -Added regression testing in the test/ subdirectory, using a new option -(-b) with the ipftest program. - -Added "nomatch" return to filter results. These are counted and show -up in reports from ipfstat. - -Moved filter code out of ip_fil.c and into fil.c - there is now only one -instance of it in the package. - -Added Solaris 2.4 support. - -Added IPSO basic security option filtering. - -Added name support for filtering on all 19 named IP options. - -Patches from Ivan Brawley to log packet contents as well as packet headers. - -Update for sun/conf.c.diff from Ivan Brawley - -Added patches for FreeBSD 1, and added two new switches (-E, -D) to ipf, -along with a new ioctl, SIOCFRENB. -From: Dieter Dworkin Muller - -2.7.3 31/7.95 - Released - -Didn't compile cleanly without IPFILTER_LOG defined (Mathew Green). - -ipftest now deals with tcpdump3 binary output files (from libpcap) with -P. - -Brought ipftest program upto date with actual filter code. - -Filter would cause a match to occur when it wasn't meant to if the packet -had short headers and was missing portions that should have been there. -Err, it would rightly not match on them, but their absence caused a match -when it shouldn't have been. - -2.7.2 26/7/95 - Released - -Problem with filtering just SYN flagged packets reported by -Dieter Dworkin Muller . To solve this -problem, added support for masking TCP flags for comparison "flags X/Y". - -2.7.1 9/7/95 - Released - -Added ip_dirbroadcast support for Sun ip_input.c - -Fixed up the install scripts for FreeBSD/NetBSD to recognise where they are -better. - -2.7 7/7/95 - Released - -Added "return-rst" to return TCP RST's to TCP packets. - -Actually ported it to FreeBSD-i386 2.0.0, so it works there properly now. - -Added insertion of filter rules. Use "@<#>" at the beginning of a filter -to insert a rule at row #. - -Filter keeps track of how many times each rule is matched. - -Changed compile time things to match kernel option (IPFILTER_LKM & -IPFILTER_LOG). - -Updated ip_input.c and ip_output.c with paches for 3.5 Multicast IP. -(No change required for 3.6) - -Now includes TCP fragments which start inside the TCP header as being short. -Added counting the number of times each rule is matched. - - -2.6 11/5/95 - Released - -Added -n option to ipf: when supplied, no changes are made to the kernel. - -Added installation scripts for SunOS 4.1.x and NetBSD/FreeBSD/BSDI. - -Rewrote filtering to use a more generic mask & match procedure for -checking if a packet matches a rule. - -2.5.2 27/4/95 - Released - -"tcp/udp" and a non-initialised pointer caused the "proto" to become -a `random' value; added "ip#/dotted.mask" notation to the BNF. -From Adam W. Feigin - -2.5.1 22/3/95 - Released - -"tcp/udp" had a strange effect (undesired) on getserv*() functions, -causing protocol/service lookups to fail. Reported by Matthew Green. - -2.5 17/3/95 - Released - -Added a new keyword "all" to BNF and parsing of tcpdump/etherfind/snoop -output through the ipftest program. Suggestions from: -Michael Ciavarella (mikec@phyto.apana.org.au) - -Conflicts occur when "general" filter rules are used for ports and the -lack of a "proto" when used with "port" matches other packets when only -TCP/UDP are implied. -Reported Matthew Green (mrg@fulcom.com.au); -reported & fixed 6-8/3/95 - -Added filtering of short TCP packets using "with short" 28/2/95 -(These can possibly slip by checks for the various flags). Short UDP -or ICMP are dropped to the floor and logged. - -Added filtering of fragmented packets using "with frag" 24/2/95 - -Port to NetBSD-current completed 20/2/95, using LKM. - -Added logging of the rule # which caused the logging to happen and the -interface on which the packet is currently as suggested by -Andreas Greulich (greulich@math-stat.unibe.ch) 10/2/95 - -2.4 9/2/95 - Released -Fixed saving of IP headers in ICMP packets. - -2.3 29/1/95 -Added ipf -F [in|out|all] to flush filter rule sets (SIOCIPFFL). -Fixed iplread() and iplsave() with help from Marc Huber. - -2.2 7/1/95 - Released -Added code from Marc Huber to allow it to allocate -its own major char number dynamically when modload'ing. Fixed up -use of <, >, <=, >= and >< for ports. - -2.1 21/12/94 - Released -repackaged to include the correct ip_output.c and ip_input.c *goof* - -2.0 18/12/94 - Released -added code to check for port ranges - complete. -rewrote to work as a loadable kernel module - complete. - -1.1 -added code for ouput filtering as well as input filtering and added support for logging to a simple character device of packet headers. - -1.0 22/04/93 - Released -First release cut. -- cgit v1.1