From af1660fe0e88cd9f1c770864e1c643718cb2cc62 Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Wed, 22 Oct 2008 18:53:39 +0200 Subject: Move libipt_recent to libxt_recent Signed-off-by: Jan Engelhardt Signed-off-by: Patrick McHardy --- extensions/libipt_recent.man | 100 ------------------------------------------- 1 file changed, 100 deletions(-) delete mode 100644 extensions/libipt_recent.man (limited to 'extensions/libipt_recent.man') diff --git a/extensions/libipt_recent.man b/extensions/libipt_recent.man deleted file mode 100644 index d5bdaa0b..00000000 --- a/extensions/libipt_recent.man +++ /dev/null @@ -1,100 +0,0 @@ -Allows you to dynamically create a list of IP addresses and then match -against that list in a few different ways. - -For example, you can create a `badguy' list out of people attempting -to connect to port 139 on your firewall and then DROP all future -packets from them without considering them. -.TP -.BI "--name " "name" -Specify the list to use for the commands. If no name is given then 'DEFAULT' -will be used. -.TP -[\fB!\fR] \fB--set\fR -This will add the source address of the packet to the list. If the -source address is already in the list, this will update the existing -entry. This will always return success (or failure if `!' is passed -in). -.TP -\fB--rsource\fP -Match/save the source address of each packet in the recent list table. This -is the default. -.TP -\fB--rdest\fP -Match/save the destination address of each packet in the recent list table. -.TP -[\fB!\fR] \fB--rcheck\fR -Check if the source address of the packet is currently in -the list. -.TP -[\fB!\fR] \fB--update\fR -Like \fB--rcheck\fR, except it will update the "last seen" timestamp if it -matches. -.TP -[\fB!\fR] \fB--remove\fR -Check if the source address of the packet is currently in the list and -if so that address will be removed from the list and the rule will -return true. If the address is not found, false is returned. -.TP -[\fB!\fR] \fB--seconds \fIseconds\fR -This option must be used in conjunction with one of \fB--rcheck\fR or -\fB--update\fR. When used, this will narrow the match to only happen -when the address is in the list and was seen within the last given -number of seconds. -.TP -[\fB!\fR] \fB--hitcount \fIhits\fR -This option must be used in conjunction with one of \fB--rcheck\fR or -\fB--update\fR. When used, this will narrow the match to only happen -when the address is in the list and packets had been received greater -than or equal to the given value. This option may be used along with -\fB--seconds\fR to create an even narrower match requiring a certain -number of hits within a specific time frame. -.TP -\fB--rttl\fR -This option may only be used in conjunction with one of \fB--rcheck\fR or -\fB--update\fR. When used, this will narrow the match to only happen -when the address is in the list and the TTL of the current packet -matches that of the packet which hit the \fB--set\fR rule. This may be -useful if you have problems with people faking their source address in -order to DoS you via this module by disallowing others access to your -site by sending bogus packets to you. -.P -Examples: -.IP -# iptables -A FORWARD -m recent --name badguy --rcheck --seconds 60 -j DROP - -# iptables -A FORWARD -p tcp -i eth0 --dport 139 -m recent --name badguy --set -j DROP -.P -Official website (http://snowman.net/projects/ipt_recent/) also has -some examples of usage. - -/proc/net/ipt_recent/* are the current lists of addresses and information -about each entry of each list. - -Each file in /proc/net/ipt_recent/ can be read from to see the current list -or written two using the following commands to modify the list: -.TP -echo xx.xx.xx.xx > /proc/net/ipt_recent/DEFAULT -to Add to the DEFAULT list -.TP -echo -xx.xx.xx.xx > /proc/net/ipt_recent/DEFAULT -to Remove from the DEFAULT list -.TP -echo clear > /proc/net/ipt_recent/DEFAULT -to empty the DEFAULT list. -.P -The module itself accepts parameters, defaults shown: -.TP -.BI "ip_list_tot=" "100" -Number of addresses remembered per table -.TP -.BI "ip_pkt_list_tot=" "20" -Number of packets per address remembered -.TP -.BI "ip_list_hash_size=" "0" -Hash table size. 0 means to calculate it based on ip_list_tot, default: 512 -.TP -.BI "ip_list_perms=" "0644" -Permissions for /proc/net/ipt_recent/* files -.TP -.BI "debug=" "0" -Set to 1 to get lots of debugging info -- cgit v1.2.3