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authorJan Engelhardt <jengelh@medozas.de>2008-01-20 13:31:13 +0000
committerPatrick McHardy <kaber@trash.net>2008-01-20 13:31:13 +0000
commitf4b737fb0c52a95a48f2e313ed4cff43db720ad6 (patch)
treecd346016de4b02408972e3f8d11d214ab3aef501 /extensions/libxt_MARK.man
parent36f2eadca556da9bb4979b3f67f38020e80ef7d2 (diff)
libxt_MARK r2
Add support for xt_MARK target revision 2. Also consolidate libip6t_MARK.man and libipt_MARK.man. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Diffstat (limited to 'extensions/libxt_MARK.man')
-rw-r--r--extensions/libxt_MARK.man25
1 files changed, 25 insertions, 0 deletions
diff --git a/extensions/libxt_MARK.man b/extensions/libxt_MARK.man
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+This target is used to set the Netfilter mark value associated with the packet.
+The target can only be used in the \fBmangle\fR table. It can, for example, be
+used in conjunction with routing based on fwmark (needs iproute2).
+.TP
+\fB--set-xmark\fR \fIvalue\fR[\fB/\fR\fImask\fR]
+Zeroes out the bits given by \fImask\fR and XORs \fIvalue\fR into the packet
+mark ("nfmark"). If \fImask\fR is omitted, 0xFFFFFFFF is assumed.
+.TP
+\fB--set-mark\fR \fIvalue\fR[\fB/\fR\fImask\fR]
+Zeroes out the bits given by \fImask\fR and ORs \fIvalue\fR into the packet
+mark. If \fImask\fR is omitted, 0xFFFFFFFF is assumed.
+.PP
+The following mnemonics are available:
+.TP
+\fB--and-mark\fR \fIbits\fR
+Binary AND the nfmark with \fIbits\fR. (Mnemonic for \fB--set-xmark
+0/\fR\fIinvbits\fR, where \fIinvbits\fR is the binary negation of \fIbits\fR.)
+.TP
+\fB--or-mark\fR \fIbits\fR
+Binary OR the nfmark with \fIbits\fR. (Mnemonic for \fB--set-xmark\fR
+\fIbits\fR\fB/\fR\fIbits\fR.)
+.TP
+\fB--xor-mark\fR \fIbits\fR
+Binary XOR the nfmark with \fIbits\fR. (Mnemonic for \fB--set-xmark\fR
+\fIbits\fR\fB/0\fR.)