diff options
Diffstat (limited to 'extensions/libxt_connlimit.man')
| -rw-r--r-- | extensions/libxt_connlimit.man | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/extensions/libxt_connlimit.man b/extensions/libxt_connlimit.man index ad9f40fa..aa7df2b2 100644 --- a/extensions/libxt_connlimit.man +++ b/extensions/libxt_connlimit.man @@ -20,23 +20,28 @@ Apply the limit onto the source group. This is the default if Apply the limit onto the destination group. .PP Examples: -.TP -# allow 2 telnet connections per client host +.IP \(bu 4 +allow 2 telnet connections per client host: +.br iptables \-A INPUT \-p tcp \-\-syn \-\-dport 23 \-m connlimit \-\-connlimit\-above 2 \-j REJECT -.TP -# you can also match the other way around: +.IP \(bu 4 +you can also match the other way around: +.br iptables \-A INPUT \-p tcp \-\-syn \-\-dport 23 \-m connlimit \-\-connlimit\-upto 2 \-j ACCEPT -.TP -# limit the number of parallel HTTP requests to 16 per class C sized \ -source network (24 bit netmask) +.IP \(bu 4 +limit the number of parallel HTTP requests to 16 per class C sized \ +source network (24 bit netmask): +.br iptables \-p tcp \-\-syn \-\-dport 80 \-m connlimit \-\-connlimit\-above 16 \-\-connlimit\-mask 24 \-j REJECT -.TP -# limit the number of parallel HTTP requests to 16 for the link local network -(ipv6) +.IP \(bu 4 +limit the number of parallel HTTP requests to 16 for the link local network +(IPv6): +.br ip6tables \-p tcp \-\-syn \-\-dport 80 \-s fe80::/64 \-m connlimit \-\-connlimit\-above 16 \-\-connlimit\-mask 64 \-j REJECT -.TP -# Limit the number of connections to a particular host: +.IP \(bu 4 +Limit the number of connections to a particular host: +.br ip6tables \-p tcp \-\-syn \-\-dport 49152:65535 \-d 2001:db8::1 \-m connlimit -\-\-connlimit-above 100 \-j REJECT +\-\-connlimit\-above 100 \-j REJECT |