diff options
| author | Jonas Berlin <xkr47@outerspace.dyndns.org> | 2005-04-01 06:54:23 +0000 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2005-04-01 06:54:23 +0000 |
| commit | f33c46140f0e0a230aba5d739ce40cb14e066b13 (patch) | |
| tree | e0d8b16f1fe5c33ce1bc2a0e2ab9a68f2e54f96c /extensions/libipt_connlimit.man | |
| parent | 4a06cf0bd2f5e18eb0149945724b0b4299eec5ea (diff) | |
add lots of man pages (Jonas Berlin)
Diffstat (limited to 'extensions/libipt_connlimit.man')
| -rw-r--r-- | extensions/libipt_connlimit.man | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/extensions/libipt_connlimit.man b/extensions/libipt_connlimit.man new file mode 100644 index 00000000..404ee327 --- /dev/null +++ b/extensions/libipt_connlimit.man @@ -0,0 +1,21 @@ +Allows you to restrict the number of parallel TCP connections to a +server per client IP address (or address block). +.TP +[\fB!\fR] \fB--connlimit-above \fIn\fR +match if the number of existing tcp connections is (not) above n +.TP +.BI "--connlimit-mask " "bits" +group hosts using mask +.P +Examples: +.TP +# allow 2 telnet connections per client host +iptables -p tcp --syn --dport 23 -m connlimit --connlimit-above 2 -j REJECT +.TP +# you can also match the other way around: +iptables -p tcp --syn --dport 23 -m connlimit ! --connlimit-above 2 -j ACCEPT +.TP +# limit the nr of parallel http requests to 16 per class C sized \ +network (24 bit netmask) +iptables -p tcp --syn --dport 80 -m connlimit --connlimit-above 16 +--connlimit-mask 24 -j REJECT |