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Diffstat (limited to 'extensions/libipt_LOG.man')
| -rw-r--r-- | extensions/libipt_LOG.man | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/extensions/libipt_LOG.man b/extensions/libipt_LOG.man new file mode 100644 index 00000000..c604c76c --- /dev/null +++ b/extensions/libipt_LOG.man @@ -0,0 +1,28 @@ +Turn on kernel logging of matching packets. When this option is set +for a rule, the Linux kernel will print some information on all +matching packets (like most IP header fields) via the kernel log +(where it can be read with +.I dmesg +or +.IR syslogd (8)). +This is a "non-terminating target", i.e. rule traversal continues at +the next rule. So if you want to LOG the packets you refuse, use two +separate rules with the same matching criteria, first using target LOG +then DROP (or REJECT). +.TP +.BI "--log-level " "level" +Level of logging (numeric or see \fIsyslog.conf\fP(5)). +.TP +.BI "--log-prefix " "prefix" +Prefix log messages with the specified prefix; up to 29 letters long, +and useful for distinguishing messages in the logs. +.TP +.B --log-tcp-sequence +Log TCP sequence numbers. This is a security risk if the log is +readable by users. +.TP +.B --log-tcp-options +Log options from the TCP packet header. +.TP +.B --log-ip-options +Log options from the IP packet header. |