diff options
author | bms <bms@FreeBSD.org> | 2007-02-09 12:30:17 +0000 |
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committer | bms <bms@FreeBSD.org> | 2007-02-09 12:30:17 +0000 |
commit | f171a45bf6af7963d86cf7de4a3b9e19b8205c06 (patch) | |
tree | 089ff01bab164198176b0ee574076832fd70d966 /share/man/man4/icmp.4 | |
parent | 1413639b9238c213f6fd20c22be81b638f394589 (diff) | |
download | FreeBSD-src-f171a45bf6af7963d86cf7de4a3b9e19b8205c06.zip FreeBSD-src-f171a45bf6af7963d86cf7de4a3b9e19b8205c06.tar.gz |
Add lists of ICMP types and codes for user and developer reference.
Cross-reference pf.conf(5) which is able to use these definitions.
PR: 85243
Submitted by: Daniel Gerzo
Obtained from: OpenBSD
MFC after: 1 day
Diffstat (limited to 'share/man/man4/icmp.4')
-rw-r--r-- | share/man/man4/icmp.4 | 74 |
1 files changed, 72 insertions, 2 deletions
diff --git a/share/man/man4/icmp.4 b/share/man/man4/icmp.4 index 73600d1..a6fbbf2 100644 --- a/share/man/man4/icmp.4 +++ b/share/man/man4/icmp.4 @@ -32,7 +32,7 @@ .\" @(#)icmp.4 8.1 (Berkeley) 6/5/93 .\" $FreeBSD$ .\" -.Dd August 21, 2005 +.Dd February 9, 2007 .Dt ICMP 4 .Os .Sh NAME @@ -88,6 +88,75 @@ them (based on the destination address). Incoming packets are received with the .Tn IP header and options intact. +.Ss Types +ICMP messages are classified according to the type and code fields +present in the ICMP header. +The abbreviations for the types and codes may be used in rules in +.Xr pf.conf 5 . +The following types are defined: +.Bl -column x xxxxxxxxxxxx -offset indent +.It Sy Num Ta Sy Abbrev. Ta Sy Description +.It 0 Ta echorep Ta "Echo reply" +.It 3 Ta unreach Ta "Destination unreachable" +.It 4 Ta squench Ta "Packet loss, slow down" +.It 5 Ta redir Ta "Shorter route exists" +.It 6 Ta althost Ta "Alternate host address" +.It 8 Ta echoreq Ta "Echo request" +.It 9 Ta routeradv Ta "Router advertisement" +.It 10 Ta routersol Ta "Router solicitation" +.It 11 Ta timex Ta "Time exceeded" +.It 12 Ta paramprob Ta "Invalid IP header" +.It 13 Ta timereq Ta "Timestamp request" +.It 14 Ta timerep Ta "Timestamp reply" +.It 15 Ta inforeq Ta "Information request" +.It 16 Ta inforep Ta "Information reply" +.It 17 Ta maskreq Ta "Address mask request" +.It 18 Ta maskrep Ta "Address mask reply" +.It 30 Ta trace Ta Traceroute +.It 31 Ta dataconv Ta "Data conversion problem" +.It 32 Ta mobredir Ta "Mobile host redirection" +.It 33 Ta ipv6-where Ta "IPv6 where-are-you" +.It 34 Ta ipv6-here Ta "IPv6 i-am-here" +.It 35 Ta mobregreq Ta "Mobile registration request" +.It 36 Ta mobregrep Ta "Mobile registration reply" +.It 39 Ta skip Ta SKIP +.It 40 Ta photuris Ta Photuris +.El +.Pp +The following codes are defined: +.Bl -column x xxxxxxxxxxxx xxxxxxxx -offset indent +.It Sy Num Ta Sy Abbrev. Ta Sy Type Ta Sy Description +.It 0 Ta net-unr Ta unreach Ta "Network unreachable" +.It 1 Ta host-unr Ta unreach Ta "Host unreachable" +.It 2 Ta proto-unr Ta unreach Ta "Protocol unreachable" +.It 3 Ta port-unr Ta unreach Ta "Port unreachable" +.It 4 Ta needfrag Ta unreach Ta "Fragmentation needed but DF bit set" +.It 5 Ta srcfail Ta unreach Ta "Source routing failed" +.It 6 Ta net-unk Ta unreach Ta "Network unknown" +.It 7 Ta host-unk Ta unreach Ta "Host unknown" +.It 8 Ta isolate Ta unreach Ta "Host isolated" +.It 9 Ta net-prohib Ta unreach Ta "Network administratively prohibited" +.It 10 Ta host-prohib Ta unreach Ta "Host administratively prohibited" +.It 11 Ta net-tos Ta unreach Ta "Invalid TOS for network" +.It 12 Ta host-tos Ta unreach Ta "Invalid TOS for host" +.It 13 Ta filter-prohib Ta unreach Ta "Prohibited access" +.It 14 Ta host-preced Ta unreach Ta "Precedence violation" +.It 15 Ta cutoff-preced Ta unreach Ta "Precedence cutoff" +.It 0 Ta redir-net Ta redir Ta "Shorter route for network" +.It 1 Ta redir-host Ta redir Ta "Shorter route for host" +.It 2 Ta redir-tos-net Ta redir Ta "Shorter route for TOS and network" +.It 3 Ta redir-tos-host Ta redir Ta "Shorter route for TOS and host" +.It 0 Ta normal-adv Ta routeradv Ta "Normal advertisement" +.It 16 Ta common-adv Ta routeradv Ta "Selective advertisement" +.It 0 Ta transit Ta timex Ta "Time exceeded in transit" +.It 1 Ta reassemb Ta timex Ta "Time exceeded in reassembly" +.It 0 Ta badhead Ta paramprob Ta "Invalid option pointer" +.It 1 Ta optmiss Ta paramprob Ta "Missing option" +.It 2 Ta badlen Ta paramprob Ta "Invalid length" +.It 1 Ta unknown-ind Ta photuris Ta "Unknown security index" +.It 2 Ta auth-fail Ta photuris Ta "Authentication failed" +.It 3 Ta decrypt-fail Ta photuris Ta "Decryption failed" +.El .Ss MIB Variables The .Tn ICMP @@ -176,7 +245,8 @@ exists. .Xr send 2 , .Xr inet 4 , .Xr intro 4 , -.Xr ip 4 +.Xr ip 4 , +.Xr pf.conf 5 .Sh HISTORY The .Nm |