When checking for pcap_if_t, add $V_INCLS to CFLAGS, so we look at the

[tcpdump] / tcpdump.1

diff --git a/tcpdump.1 b/tcpdump.1
index 80645c97b7d207db9bfa3e24229ae135ecadb5ca..5f55299fecf12ba48083c53ed36b4169a56bcc4a 100644 (file)
--- a/tcpdump.1
+++ b/tcpdump.1
@@ -1,4 +1,4 @@
-.\" @(#) $Header: /tcpdump/master/tcpdump/Attic/tcpdump.1,v 1.155 2004-01-07 22:50:40 guy Exp $ (LBL)
+.\" @(#) $Header: /tcpdump/master/tcpdump/Attic/tcpdump.1,v 1.163 2004-06-12 08:51:23 guy Exp $ (LBL)
 .\"
 .\"    $NetBSD: tcpdump.8,v 1.9 2003/03/31 00:18:17 perry Exp $
 .\"
@@ -22,7 +22,7 @@
 .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 .\"
-.TH TCPDUMP 1  "23 November 2003"
+.TH TCPDUMP 1  "22 March 2004"
 .SH NAME
 tcpdump \- dump traffic on a network
 .SH SYNOPSIS
@@ -54,12 +54,16 @@ tcpdump \- dump traffic on a network
 .I module
 ]
 [
-.B \-r
-.I file
+.B \-M
+.I secret
 ]
 .br
 .ti +8
 [
+.B \-r
+.I file
+]
+[
 .B \-s
 .I snaplen
 ]
@@ -74,6 +78,12 @@ tcpdump \- dump traffic on a network
 .br
 .ti +8
 [
+.B \-W
+.I filecount
+]
+.br
+.ti +8
+[
 .B \-E
 .I spi@ipaddr algo:secret,...
 ]
@@ -83,6 +93,10 @@ tcpdump \- dump traffic on a network
 .B \-y
 .I datalinktype
 ]
+[
+.B \-Z
+.I user
+]
 .ti +8
 [
 .I expression
@@ -243,7 +257,7 @@ currently larger than \fIfile_size\fP and, if so, close the current
 savefile and open a new one.  Savefiles after the first savefile will
 have the name specified with the
 .B \-w
-flag, with a number after it, starting at 2 and continuing upward.
+flag, with a number after it, starting at 1 and continuing upward.
 The units of \fIfile_size\fP are millions of bytes (1,000,000 bytes,
 not 1,048,576 bytes).
 .TP
@@ -377,6 +391,10 @@ Load SMI MIB module definitions from file \fImodule\fR.
 This option
 can be used several times to load several MIB modules into \fItcpdump\fP.
 .TP
+.B \-M
+Use \fIsecret\fP as a shared secret for validating the digests found in
+TCP segments with the TCP-MD5 option (RFC 2385), if present.
+.TP
 .B \-n
 Don't convert addresses (i.e., host addresses, port numbers, etc.) to names.
 .TP
@@ -486,11 +504,15 @@ that lacks the
 function.
 .TP
 .B \-v
-(Slightly more) verbose output.
+When parsing and printing, produce (slightly more) verbose output.
 For example, the time to live,
 identification, total length and options in an IP packet are printed.
 Also enables additional packet integrity checks such as verifying the
 IP and ICMP header checksum.
+.IP
+When writing to a file with the
+.B \-w
+option, report, every 10 seconds, the number of packets captured.
 .TP
 .B \-vv
 Even more verbose output.
@@ -512,6 +534,16 @@ them out.
 They can later be printed with the \-r option.
 Standard output is used if \fIfile\fR is ``-''.
 .TP
+.B \-W
+Used in conjunction with the 
+.I \-C 
+option, this will limit the number
+of files created to the specified number, and begin overwriting files
+from the beginning, thus creating a 'rotating' buffer. 
+In addition, it will name
+the files with enough leading 0s to support the maximum number of
+files, allowing them to sort correctly.
+.TP
 .B \-x
 Print each packet (minus its link level header) in hex.
 The smaller of the entire packet or
@@ -537,6 +569,14 @@ its link level header, in hex and ASCII.
 .TP
 .B \-y
 Set the data link type to use while capturing packets to \fIdatalinktype\fP.
+.TP
+.B \-Z
+Drops privileges (if root) and changes user ID to
+.I user
+and the group ID to the primary group of
+.IR user .
+.IP
+This behavior can also be enabled by default at compile time.
 .IP "\fI expression\fP"
 .RS
 selects which packets will be dumped.
@@ -851,7 +891,7 @@ In the case of Ethernet, \fItcpdump\fR checks the Ethernet type field
 for most of those protocols.  The exceptions are:
 .RS
 .TP
-\fBiso\fP, \fBsap\fP, and \fBnetbeui\fP
+\fBiso\fP, \fBstp\fP, and \fBnetbeui\fP
 \fItcpdump\fR checks for an 802.3 frame and then checks the LLC header as
 it does for FDDI, Token Ring, and 802.11;
 .TP
@@ -909,6 +949,22 @@ and
 .B memory
 (applies only to packets logged by OpenBSD's
 .BR pf (4)).
+.IP "\fBrset \fIname\fR"
+True if the packet was logged as matching the specified PF ruleset
+name of an anchored ruleset (applies only to packets logged by
+.BR pf (4)).
+.IP "\fBruleset \fIname\fR"
+Synonomous with the
+.B rset
+modifier.
+.IP "\fBsrnr \fInum\fR"
+True if the packet was logged as matching the specified PF rule number
+of an anchored ruleset (applies only to packets logged by
+.BR pf (4)).
+.IP "\fBsubrulenum \fInum\fR"
+Synonomous with the
+.B srnr
+modifier.
 .IP "\fBaction \fIact\fR"
 True if PF took the specified action when the packet was logged.  Known actions
 are:
@@ -916,7 +972,7 @@ are:
 and
 .B block
 (applies only to packets logged by OpenBSD's
-.BR pf(4)).
+.BR pf (4)).
 .IP "\fBip\fR, \fBip6\fR, \fBarp\fR, \fBrarp\fR, \fBatalk\fR, \fBaarp\fR, \fBdecnet\fR, \fBiso\fR, \fBstp\fR, \fBipx\fR, \fInetbeui\fP"
 Abbreviations for:
 .in +.5i