path: root/extensions/
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authorJan Engelhardt <>2008-01-20 13:22:42 +0000
committerPatrick McHardy <>2008-01-20 13:22:42 +0000
commit0720c1226381f5c71748673c43c12499f1f254c7 (patch)
tree868b1d0be14c82b12b8162429acda4baf9826927 /extensions/
parent5c5cd885daf43256f7bd24a3a698306764438145 (diff)
Move libipt_tos revision 0 to libxt_tos revision 0 and add support for xt_tos match revision 1. Signed-off-by: Jan Engelhardt <>
Diffstat (limited to 'extensions/')
1 files changed, 12 insertions, 0 deletions
diff --git a/extensions/ b/extensions/
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+This module matches the 8-bit Type of Service field in the IPv4 header (i.e.
+including the "Precedence" bits) or the (also 8-bit) Priority field in the IPv6
+\fB--tos\fR \fIvalue\fR[\fB/\fR\fImask\fR]
+Matches packets with the given TOS mark value. If a mask is specified, it is
+logically ANDed with the TOS mark before the comparison.
+\fB--tos\fR \fIsymbol\fR
+You can specify a symbolic name when using the tos match for IPv4. The list of
+recognized TOS names can be obtained by calling iptables with \fB-m tos -h\fR.
+Note that this implies a mask of 0x3F, i.e. all but the ECN bits.