diff options
Diffstat (limited to 'contrib/tcpdump/tcpdump.1')
| -rw-r--r-- | contrib/tcpdump/tcpdump.1 | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/contrib/tcpdump/tcpdump.1 b/contrib/tcpdump/tcpdump.1 index 7df9554..0b5b857 100644 --- a/contrib/tcpdump/tcpdump.1 +++ b/contrib/tcpdump/tcpdump.1 @@ -27,7 +27,7 @@ tcpdump \- dump traffic on a network .na .B tcpdump [ -.B \-adeflnNOpqRStuvxX +.B \-adeflLnNOpqRStuvxX ] [ .B \-c .I count @@ -76,6 +76,11 @@ tcpdump \- dump traffic on a network .I algo:secret ] [ +.B \-y +.I datalinktype +] +.ti +8 +[ .I expression ] .br @@ -87,7 +92,7 @@ that match the boolean \fIexpression\fP. It can also be run with the .B \-w flag, which causes it to save the packet data to a file for later analysis, and/or with the -.B \-b +.B \-r flag, which causes it to read from a saved packet file rather than to read packets from a network interface. In all cases, only packets that match @@ -236,9 +241,9 @@ you make it visible to others, via and other occasions. .TP .B \-f -Print `foreign' internet addresses numerically rather than symbolically +Print `foreign' IPv4 addresses numerically rather than symbolically (this option is intended to get around serious brain damage in -Sun's yp server \(em usually it hangs forever translating non-local +Sun's NIS server \(em usually it hangs forever translating non-local internet numbers). .TP .B \-F @@ -266,6 +271,9 @@ E.g., ``tcpdump\ \ \-l\ \ |\ \ tee dat'' or ``tcpdump\ \ \-l \ \ > dat\ \ &\ \ tail\ \ \-f\ \ dat''. .TP +.B \-L +List the known data link types for the interface and exit. +.TP .B \-m Load SMI MIB module definitions from file \fImodule\fR. This option @@ -304,7 +312,9 @@ Since there is no protocol version field in ESP/AH specification, \fItcpdump\fP cannot deduce the version of ESP/AH protocol. .TP .B \-r -Read packets from \fIfile\fR (which was created with the -w option). +Read packets from \fIfile\fR (which was created with the +.B \-w +option). Standard input is used if \fIfile\fR is ``-''. .TP .B \-S @@ -354,6 +364,7 @@ on each dump line. .TP .B \-tttt Print a timestamp in default format proceeded by date on each dump line. +.TP .B \-u Print undecoded NFS handles. .TP @@ -376,7 +387,7 @@ telnet \fBSB\fP ... \fBSE\fP options are printed in full. With .B \-X -telnet options are printed in hex as well. +Telnet options are printed in hex as well. .TP .B \-w Write the raw packets to \fIfile\fR rather than parsing and printing @@ -400,6 +411,9 @@ Even if .B \-x is not also set, some parts of some packets may be printed in hex/ascii. +.TP +.B \-y +Set the data link type to use while capturing packets to \fIdatalinktype\fP. .IP "\fI expression\fP" .RS selects which packets will be dumped. |
