From fa2c34eff1b89b55b1cdb3c0ed3b29bf8b3d5b40 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Fri, 4 Mar 2016 13:11:45 +0100 Subject: [PATCH] man: Add a man page for the xt action Cc: Jiri Pirko Signed-off-by: Phil Sutter --- man/man8/tc-xt.8 | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 man/man8/tc-xt.8 diff --git a/man/man8/tc-xt.8 b/man/man8/tc-xt.8 new file mode 100644 index 00000000..4fd800cf --- /dev/null +++ b/man/man8/tc-xt.8 @@ -0,0 +1,42 @@ +.TH "iptables action in tc" 8 "3 Mar 2016" "iproute2" "Linux" + +.SH NAME +xt - tc iptables action +.SH SYNOPSIS +.in +8 +.ti -8 +.BR tc " ... " "action xt \-j" +.IR TARGET " [ " TARGET_OPTS " ]" +.SH DESCRIPTION +The +.B xt +action allows to call arbitrary iptables targets for packets matching the filter +this action is attached to. +.SH OPTIONS +.TP +.BI -j " TARGET \fR[\fI TARGET_OPTS \fR]" +Perform a jump to the given iptables target, optionally passing any target +specific options in +.IR TARGET_OPTS . +.SH EXAMPLES +The following will attach a +.B u32 +filter to the +.B ingress +qdisc matching ICMP replies and using the +.B xt +action to make the kernel yell 'PONG' each time: + +.RS +.EX +tc qdisc add dev eth0 ingress +tc filter add dev eth0 parent ffff: proto ip u32 \\ + match ip protocol 1 0xff \\ + match ip icmp_type 0 0xff \\ + action xt -j LOG --log-prefix PONG +.EE +.RE +.SH SEE ALSO +.BR tc (8), +.BR tc-u32 (8), +.BR iptables-extensions (8)