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Diffstat (limited to 'extensions/libxt_TOS.man')
| -rw-r--r-- | extensions/libxt_TOS.man | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/extensions/libxt_TOS.man b/extensions/libxt_TOS.man new file mode 100644 index 0000000..d9b774a --- /dev/null +++ b/extensions/libxt_TOS.man @@ -0,0 +1,27 @@ +This module sets the Type of Service field in the IPv4 header (including the +'precedence' bits) or the Priority field in the IPv6 header. Note that TOS +shares the same bits as DSCP and ECN. The TOS target is only valid in the +\fBmangle\fR table. +.TP +\fB--set-tos\fR \fIvalue\fR[\fB/\fR\fImask\fR] +Zeroes out the bits given by \fImask\fR and XORs \fIvalue\fR into the +TOS/Priority field. If \fImask\fR is omitted, 0xFF is assumed. +.TP +\fB--set-tos\fR \fIsymbol\fR +You can specify a symbolic name when using the TOS target for IPv4. It implies +a mask of 0xFF. The list of recognized TOS names can be obtained by calling +iptables with \fB-j TOS -h\fR. +.PP +The following mnemonics are available: +.TP +\fB--and-tos\fR \fIbits\fR +Binary AND the TOS value with \fIbits\fR. (Mnemonic for \fB--set-tos +0/\fR\fIinvbits\fR, where \fIinvbits\fR is the binary negation of \fIbits\fR.) +.TP +\fB--or-tos\fR \fIbits\fR +Binary OR the TOS value with \fIbits\fR. (Mnemonic for \fB--set-tos\fR +\fIbits\fR\fB/\fR\fIbits\fR.) +.TP +\fB--xor-tos\fR \fIbits\fR +Binary XOR the TOS value with \fIbits\fR. (Mnemonic for \fB--set-tos\fR +\fIbits\fR\fB/0\fR.) |