summaryrefslogtreecommitdiff
path: root/package/iptables/files
diff options
context:
space:
mode:
Diffstat (limited to 'package/iptables/files')
-rw-r--r--package/iptables/files/firewall.awk64
-rw-r--r--package/iptables/files/firewall.config48
-rwxr-xr-xpackage/iptables/files/firewall.init115
-rw-r--r--package/iptables/files/firewall.user28
-rw-r--r--package/iptables/files/l7/aim.pat27
-rw-r--r--package/iptables/files/l7/bittorrent.pat14
-rw-r--r--package/iptables/files/l7/edonkey-dl.pat8
-rw-r--r--package/iptables/files/l7/edonkey.pat29
-rw-r--r--package/iptables/files/l7/fasttrack.pat25
-rw-r--r--package/iptables/files/l7/ftp.pat34
-rw-r--r--package/iptables/files/l7/gnutella.pat36
-rw-r--r--package/iptables/files/l7/http.pat28
-rw-r--r--package/iptables/files/l7/ident.pat14
-rw-r--r--package/iptables/files/l7/irc.pat20
-rw-r--r--package/iptables/files/l7/jabber.pat24
-rw-r--r--package/iptables/files/l7/msnmessenger.pat15
-rw-r--r--package/iptables/files/l7/ntp.pat17
-rw-r--r--package/iptables/files/l7/pop3.pat50
-rw-r--r--package/iptables/files/l7/smtp.pat39
-rw-r--r--package/iptables/files/l7/ssl.pat15
-rw-r--r--package/iptables/files/l7/vnc.pat23
21 files changed, 673 insertions, 0 deletions
diff --git a/package/iptables/files/firewall.awk b/package/iptables/files/firewall.awk
new file mode 100644
index 0000000..902c7b1
--- /dev/null
+++ b/package/iptables/files/firewall.awk
@@ -0,0 +1,64 @@
+# Copyright (C) 2006 OpenWrt.org
+
+BEGIN {
+ print "ifname=\"$WAN\""
+ print "[ -z \"$ifname\" ] && exit"
+ print ""
+ print "iptables -X input_$ifname 2>&- >&-"
+ print "iptables -N input_$ifname"
+ print "iptables -X forward_$ifname 2>&- >&-"
+ print "iptables -N forward_$ifname"
+ print "iptables -t nat -X prerouting_$ifname 2>&- >&-"
+ print "iptables -t nat -N prerouting_$ifname"
+ print ""
+ print "iptables -A input_rule -i \"$ifname\" -j input_$ifname"
+ print "iptables -A forwarding_rule -i \"$ifname\" -j forward_$ifname"
+ print "iptables -t nat -A prerouting_rule -i \"$ifname\" -j prerouting_$ifname"
+ print ""
+ FS=":"
+}
+
+($1 == "accept") || ($1 == "drop") || ($1 == "forward") {
+ delete _opt
+ str2data($2)
+ if ((_l["proto"] == "") && (_l["sport"] _l["dport"] != "")) {
+ _opt[0] = " -p tcp"
+ _opt[1] = " -p udp"
+ } else {
+ _opt[0] = ""
+ }
+}
+
+($1 == "accept") {
+ target = " -j ACCEPT"
+ for (o in _opt) {
+ print "iptables -t nat -A prerouting_$ifname" _opt[o] str2ipt($2) target
+ print "iptables -A input_$ifname " _opt[o] str2ipt($2) target
+ print ""
+ }
+}
+
+($1 == "drop") {
+ for (o in _opt) {
+ print "iptables -t nat -A prerouting_$ifname" _opt[o] str2ipt($2) " -j DROP"
+ print ""
+ }
+}
+
+($1 == "forward") {
+ target = " -j DNAT --to " $3
+ fwopts = ""
+ if ($4 != "") {
+ if ((_l["proto"] == "tcp") || (_l["proto"] == "udp") || (_l["proto"] == "")) {
+ if (_l["proto"] != "") fwopts = " -p " _l["proto"]
+ fwopts = fwopts " --dport " $4
+ target = target ":" $4
+ }
+ else fwopts = ""
+ }
+ for (o in _opt) {
+ print "iptables -t nat -A prerouting_$ifname" _opt[o] str2ipt($2) target
+ print "iptables -A forward_$ifname " _opt[o] " -d " $3 fwopts " -j ACCEPT"
+ print ""
+ }
+}
diff --git a/package/iptables/files/firewall.config b/package/iptables/files/firewall.config
new file mode 100644
index 0000000..1b92954
--- /dev/null
+++ b/package/iptables/files/firewall.config
@@ -0,0 +1,48 @@
+# Copyright (C) 2006 OpenWrt.org
+
+# RULE SYNTAX:
+#
+# forward:<match>:<target>[:<port>]
+# - forwards all packets matched by <match> to <target>,
+# optionally changing the port to <port>
+#
+# accept:<match>
+# - accepts all traffic matched by <match>
+#
+# drop:<match>
+# - drops all traffic matched by <match>
+#
+#
+# MATCHING OPTIONS:
+#
+# src=<ip>
+# - match the source ip <ip>
+#
+# dest=<ip>
+# - match the destination ip <ip>
+#
+# proto=<proto>
+# - match the protocol by name or number
+#
+# sport=<port(s)>
+# - match the source port(s), see below for syntax
+#
+# dport=<port(s)>
+# - match the destination port(s), see below for syntax
+#
+#
+#
+# PORT SYNTAX:
+#
+# You can enter an arbitrary list of ports and port ranges in the following format:
+# - 22,53,993,1000-1024
+#
+# If you don't set the protocol to tcp or udp, it will apply to both
+#
+#
+#
+# EXAMPLES:
+#
+# drop:dport=22 src=1.3.3.7
+# accept:proto=tcp dport=22
+# forward:dport=60168:192.168.1.2:60169
diff --git a/package/iptables/files/firewall.init b/package/iptables/files/firewall.init
new file mode 100755
index 0000000..731485b
--- /dev/null
+++ b/package/iptables/files/firewall.init
@@ -0,0 +1,115 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2006 OpenWrt.org
+
+## Please make changes in /etc/firewall.user
+
+start() {
+ include /lib/network
+ scan_interfaces
+
+ config_get WAN wan ifname
+ config_get LAN lan ifname
+
+ ## CLEAR TABLES
+ for T in filter nat; do
+ iptables -t $T -F
+ iptables -t $T -X
+ done
+
+ iptables -N input_rule
+ iptables -N output_rule
+ iptables -N forwarding_rule
+
+ iptables -t nat -N prerouting_rule
+ iptables -t nat -N postrouting_rule
+
+ iptables -N LAN_ACCEPT
+ [ -z "$WAN" ] || iptables -A LAN_ACCEPT -i "$WAN" -j RETURN
+ iptables -A LAN_ACCEPT -j ACCEPT
+
+ ### INPUT
+ ### (connections with the router as destination)
+
+ # base case
+ iptables -P INPUT DROP
+ iptables -A INPUT -m state --state INVALID -j DROP
+ iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
+ iptables -A INPUT -p tcp --tcp-flags SYN SYN --tcp-option \! 2 -j DROP
+
+ #
+ # insert accept rule or to jump to new accept-check table here
+ #
+ iptables -A INPUT -j input_rule
+
+ # allow
+ iptables -A INPUT -j LAN_ACCEPT # allow from lan/wifi interfaces
+ iptables -A INPUT -p icmp -j ACCEPT # allow ICMP
+ iptables -A INPUT -p gre -j ACCEPT # allow GRE
+
+ # reject (what to do with anything not allowed earlier)
+ iptables -A INPUT -p tcp -j REJECT --reject-with tcp-reset
+ iptables -A INPUT -j REJECT --reject-with icmp-port-unreachable
+
+ ### OUTPUT
+ ### (connections with the router as source)
+
+ # base case
+ iptables -P OUTPUT DROP
+ iptables -A OUTPUT -m state --state INVALID -j DROP
+ iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
+
+ #
+ # insert accept rule or to jump to new accept-check table here
+ #
+ iptables -A OUTPUT -j output_rule
+
+ # allow
+ iptables -A OUTPUT -j ACCEPT #allow everything out
+
+ # reject (what to do with anything not allowed earlier)
+ iptables -A OUTPUT -p tcp -j REJECT --reject-with tcp-reset
+ iptables -A OUTPUT -j REJECT --reject-with icmp-port-unreachable
+
+ ### FORWARDING
+ ### (connections routed through the router)
+
+ # base case
+ iptables -P FORWARD DROP
+ iptables -A FORWARD -m state --state INVALID -j DROP
+ iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
+ iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
+
+ #
+ # insert accept rule or to jump to new accept-check table here
+ #
+ iptables -A FORWARD -j forwarding_rule
+
+ # allow
+ iptables -A FORWARD -i br0 -o br0 -j ACCEPT
+ [ -z "$WAN" ] || iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT
+
+ # reject (what to do with anything not allowed earlier)
+ # uses the default -P DROP
+
+ ### MASQ
+ iptables -t nat -A PREROUTING -j prerouting_rule
+ iptables -t nat -A POSTROUTING -j postrouting_rule
+ [ -z "$WAN" ] || iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE
+
+ ## USER RULES
+ [ -f /etc/firewall.user ] && . /etc/firewall.user
+ [ -n "$WAN" -a -e /etc/config/firewall ] && {
+ awk -f /usr/lib/common.awk -f /usr/lib/firewall.awk /etc/config/firewall | ash
+ }
+}
+
+stop() {
+ iptables -P INPUT ACCEPT
+ iptables -P OUTPUT ACCEPT
+ iptables -P FORWARD ACCEPT
+ iptables -F
+ iptables -t nat -P PREROUTING ACCEPT
+ iptables -t nat -P POSTROUTING ACCEPT
+ iptables -t nat -P OUTPUT ACCEPT
+ iptables -t nat -F
+}
diff --git a/package/iptables/files/firewall.user b/package/iptables/files/firewall.user
new file mode 100644
index 0000000..5f295ba
--- /dev/null
+++ b/package/iptables/files/firewall.user
@@ -0,0 +1,28 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+
+iptables -F input_rule
+iptables -F output_rule
+iptables -F forwarding_rule
+iptables -t nat -F prerouting_rule
+iptables -t nat -F postrouting_rule
+
+### BIG FAT DISCLAIMER
+## The "-i $WAN" is used to match packets that come in via the $WAN interface.
+## it WILL NOT MATCH packets sent from the $WAN ip address -- you won't be able
+## to see the effects from within the LAN.
+
+### Open port to WAN
+## -- This allows port 22 to be answered by (dropbear on) the router
+# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j ACCEPT
+# iptables -A input_rule -i $WAN -p tcp --dport 22 -j ACCEPT
+
+### Port forwarding
+## -- This forwards port 8080 on the WAN to port 80 on 192.168.1.2
+# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 8080 -j DNAT --to 192.168.1.2:80
+# iptables -A forwarding_rule -i $WAN -p tcp --dport 80 -d 192.168.1.2 -j ACCEPT
+
+### DMZ
+## -- Connections to ports not handled above will be forwarded to 192.168.1.2
+# iptables -t nat -A prerouting_rule -i $WAN -j DNAT --to 192.168.1.2
+# iptables -A forwarding_rule -i $WAN -d 192.168.1.2 -j ACCEPT
diff --git a/package/iptables/files/l7/aim.pat b/package/iptables/files/l7/aim.pat
new file mode 100644
index 0000000..9768dbb
--- /dev/null
+++ b/package/iptables/files/l7/aim.pat
@@ -0,0 +1,27 @@
+# AIM - AOL instant messenger (OSCAR and TOC)
+# Pattern quality: good notsofast
+# Usually runs on port 5190
+#
+# This may also match ICQ traffic.
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+aim
+# See http://gridley.acns.carleton.edu/~straitm/final (and various other places)
+# The first bit matches OSCAR signon and data commands, but not sure what
+# \x03\x0b matches, but it works apparently.
+# The next three bits match various parts of the TOC signon process.
+# The third one is the magic number "*", then 0x01 for "signon", then up to four
+# bytes ("up to" because l7-filter strips out nulls) which contain a sequence
+# number (2 bytes) the data length (2 more) and 3 nulls (which don't count),
+# then 0x01 for the version number (not sure if there ever has been another
+# version)
+# The fourth one is a command string, followed by some stuff, then the
+# beginning of the "roasted" password
+
+# This pattern is too slow!
+
+^(\*[\x01\x02].*\x03\x0b|\*\x01.?.?.?.?\x01)|flapon|toc_signon.*0x
diff --git a/package/iptables/files/l7/bittorrent.pat b/package/iptables/files/l7/bittorrent.pat
new file mode 100644
index 0000000..c1804ee
--- /dev/null
+++ b/package/iptables/files/l7/bittorrent.pat
@@ -0,0 +1,14 @@
+# Bittorrent - P2P filesharing / publishing tool - http://www.bittorrent.com
+# Pattern quality: great veryfast
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+bittorrent
+
+# Does not attempt to match the HTTP download of the tracker
+# 0x13 is the length of "bittorrent protocol"
+# Second two bits match UDP wierdness, commented out until it's tested
+#^(\x13bittorrent protocol|d1:ad2:id20:|\x08'7P\)[RP])
+^\x13bittorrent protocol
diff --git a/package/iptables/files/l7/edonkey-dl.pat b/package/iptables/files/l7/edonkey-dl.pat
new file mode 100644
index 0000000..d344d16
--- /dev/null
+++ b/package/iptables/files/l7/edonkey-dl.pat
@@ -0,0 +1,8 @@
+# eDonkey2000 - P2P filesharing (download part) - http://edonkey2000.com
+# Pattern quality: good veryfast overmatch usepacket
+
+edonkey-dl
+
+^[\xe3\xe4\xc5\xe5\xd4](....)?[\x01\x0a\x0e\x0f\x10\x18\x19\x1b\x1c\x47\x4a\x4f\x51\x53\x54\x58\x60\x81\x90\x96\x9a\x9c\xa2]
+
+
diff --git a/package/iptables/files/l7/edonkey.pat b/package/iptables/files/l7/edonkey.pat
new file mode 100644
index 0000000..efbc3f3
--- /dev/null
+++ b/package/iptables/files/l7/edonkey.pat
@@ -0,0 +1,29 @@
+# eDonkey2000 - P2P filesharing - http://edonkey2000.com
+# Pattern quality: good veryfast overmatch
+#
+# Please post to l7-filter-developers@lists.sf.net as to whether this pattern
+# works for you or not. If you believe it could be improved please post your
+# suggestions to that list as well. You may subscribe to this list at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+# Thanks to Matt Skidmore <fox AT woozle.org>
+
+edonkey
+
+# http://gd.tuwien.ac.at/opsys/linux/sf/p/pdonkey/eDonkey-protocol-0.6
+#
+# In addition to \xe3, \xc5 and \xd4, I see a lot of \xe5
+#
+# God this is a mess. What an irritating protocol.
+# This will match about 1% of streams with random data in them!
+
+^[\xe3\xc5\xe5\xd4](....)?([\x01\x02\x05\x14\x15\x16\x18\x19\x1a\x1b\x1c\x20\x21\x32\x33\x34\x35\x36\x38\x40\x41\x42\x43\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f\x50\x51\x52\x53\x54\x55\x56\x57\x58\x5b\x5c\x60\x81\x82\x90\x91\x93\x96\x97\x98\x99\x9a\x9b\x9c\x9e\xa0\xa1\xa2\xa3\xa4]|\x59................?[ -~]|\x96....$)
+
+# matches everything and too much
+# ^(\xe3|\xc5|\xd4)
+
+# ipp2p essentially uses "\xe3....\x47", which doesn't seem at all right to me.
+
+# bandwidtharbitrator uses
+# e0.*@.*6[a-z].*p$|e0.*@.*[a-z]6[a-z].*p0$|e.*@.*[0-9]6.*p$|emule|edonkey
+# no comments to explain what all the mush is, of course...
diff --git a/package/iptables/files/l7/fasttrack.pat b/package/iptables/files/l7/fasttrack.pat
new file mode 100644
index 0000000..46295c6
--- /dev/null
+++ b/package/iptables/files/l7/fasttrack.pat
@@ -0,0 +1,25 @@
+# FastTrack - P2P filesharing (Kazaa, Morpheus, iMesh, Grokster, etc)
+# Pattern quality: good notsofast
+#
+# Tested with Kazaa Lite Resurrection 0.0.7.6F
+#
+# This appears to match the download connections well, but not the search
+# connections (I think they are encrypted :-( ).
+#
+# Please post to l7-filter-developers@lists.sf.net as to whether it works
+# for you or not. If you believe it could be improved please post your
+# suggestions to that list as well. You may subscribe to this list at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+fasttrack
+# while this is a valid http request, this will be caught because
+# the http pattern matches the response (and therefore the next packet)
+# Even so, it's best to put this match earlier in the chain.
+# http://cvs.berlios.de/cgi-bin/viewcvs.cgi/gift-fasttrack/giFT-FastTrack/PROTOCOL?rev=HEAD&content-type=text/vnd.viewcvs-markup
+
+# This pattern is kinda slow, but not too bad.
+^get (/.download/[ -~]*|/.supernode[ -~]|/.status[ -~]|/.network[ -~]*|/.files|/.hash=[0-9a-f]*/[ -~]*) http/1.1|user-agent: kazaa|x-kazaa(-username|-network|-ip|-supernodeip|-xferid|-xferuid|tag)|^give [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]?[0-9]?[0-9]?
+
+# This isn't much faster:
+#^get (/.download/.*|/.supernode.|/.status.|/.network.*|/.files|/.hash=[0-9a-f]*/.*) http/1.1|user-agent: kazaa|x-kazaa(-username|-network|-ip|-supernodeip|-xferid|-xferuid|tag)|^give [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]?[0-9]?[0-9]?
+
diff --git a/package/iptables/files/l7/ftp.pat b/package/iptables/files/l7/ftp.pat
new file mode 100644
index 0000000..9593ffd
--- /dev/null
+++ b/package/iptables/files/l7/ftp.pat
@@ -0,0 +1,34 @@
+# FTP - File Transfer Protocol - RFC 959
+# Pattern quality: great fast
+#
+# Usually runs on port 21. Note that the data stream is on a dynamically
+# assigned port, which means that you will need the FTP connection
+# tracking module in your kernel to usefully match FTP data transfers.
+#
+# This pattern is well tested. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+#
+# Matches the first two things a server should say. Most servers say
+# something after 220, even though they don't have to, and it usually
+# includes the string "ftp" (l7-filter is case insensitive).
+# This includes proftpd, vsftpd, wuftpd, warftpd, pureftpd, Bulletproof
+# FTP Server, and whatever ftp.microsoft.com uses. Just in case, the next
+# thing the server sends is a 331. All the above servers also send
+# something including "password" after this code.
+ftp
+# actually, let's just do the first for now, it's faster
+^220[\x09-\x0d -~]*ftp
+
+# This is ~10x faster if the stream starts with "220"
+#^220.*ftp
+
+# This will match more, but much slower
+#^220[\x09-\x0d -~]*ftp|331[\x09-\x0d -~]*password
+
+# This pattern is more precise, but takes longer to match. (3 packets vs. 1)
+#^220[\x09-\x0d -~]*\x0d\x0aUSER[\x09-\x0d -~]*\x0d\x0a331
+
+# same as above, but slightly less precise and only takes 2 packets.
+#^220[\x09-\x0d -~]*\x0d\x0aUSER[\x09-\x0d -~]*\x0d\x0a
diff --git a/package/iptables/files/l7/gnutella.pat b/package/iptables/files/l7/gnutella.pat
new file mode 100644
index 0000000..ebbd5c6
--- /dev/null
+++ b/package/iptables/files/l7/gnutella.pat
@@ -0,0 +1,36 @@
+# Gnutella - P2P filesharing
+# Pattern quality: good fast
+#
+# This should match both Gnutella and "Gnutella2" ("Mike's protocol")
+#
+# Various clients use this protocol including Mactella, Shareaza,
+# GTK-gnutella, Gnucleus, Gnotella, LimeWire, BearShare, and iMesh.
+#
+# This is tested with gtk-gnutella and Shareaza.
+#
+# Please report on how this pattern works for you at
+# l7-filter-developers@lists.sf.net . If you can improve on this
+# pattern, please also post to that list. You may subscribe at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+# http://www.gnutella2.com/tiki-index.php?page=UDP%20Transceiver
+# http://rfc-gnutella.sf.net/
+# http://www.gnutella2.com/tiki-index.php?page=Gnutella2%20Specification
+# http://en.wikipedia.org/wiki/Shareaza
+
+gnutella
+
+# The first part matches UDP messages - All start with "GND", then have
+# a flag byte which is either \x00, \x01 or \x02, then two sequence bytes
+# that can be anything, then a fragment number, which must start at 1.
+# The rest matches TCP first client message or first server message (in case
+# we can't see client messages). Some parts of this are empirical rather than
+# document based. Assumes version is between 0.0 and 2.9. (usually is
+# 0.4 or 0.6). I'm guessing at many of the user-agents.
+# The last bit is emprical and probably only matches Limewire.
+^(gnd[\x01\x02]?.?.?\x01|gnutella connect/[012]\.[0-9]\x0d\x0a|get /uri-res/n2r\?urn:sha1:|get /.*user-agent: (gtk-gnutella|bearshare|mactella|gnucleus|gnotella|limewire|imesh)|get /.*content-type: application/x-gnutella-packets|giv [0-9]*:[0-9a-f]*/|queue [0-9a-f]* [1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?:[1-9][0-9]?[0-9]?[0-9]?|gnutella.*content-type: application/x-gnutella|..................lime)
+
+# Needlessly precise, at the expense of time
+#^(gnd[\x01\x02]?.?.?\x01|gnutella connect/[012]\.[0-9]\x0d\x0a|get /uri-res/n2r\?urn:sha1:|get /[\x09-\x0d -~]*user-agent: (gtk-gnutella|bearshare|mactella|gnucleus|gnotella|limewire|imesh)|get /[\x09-\x0d -~]*content-type: application/x-gnutella-packets|giv [0-9]*:[0-9a-f]*/|queue [0-9a-f]* [1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?:[1-9][0-9]?[0-9]?[0-9]?|gnutella[\x09-\x0d -~]*content-type: application/x-gnutella|..................lime)
+
+
diff --git a/package/iptables/files/l7/http.pat b/package/iptables/files/l7/http.pat
new file mode 100644
index 0000000..520e7fe
--- /dev/null
+++ b/package/iptables/files/l7/http.pat
@@ -0,0 +1,28 @@
+# HTTP - HyperText Transfer Protocol - RFC 2616
+# Pattern quality: great notsofast
+# Usually runs on port 80
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+#
+# this intentionally catches the response from the server
+# rather than the request so that other protocols which use
+# http (like kazaa) can be caught based on specific http requests
+# regardless of the ordering of filters...
+# also matches posts
+
+# Sites that serve really long cookies may break this by pushing the
+# server response too far away from the beginning of the connection. To
+# fix this, increase the kernel's data buffer length.
+
+http
+# Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF (rfc 2616)
+# As specified in rfc 2616 a status code is preceeded and followed by a
+# space.
+http/(0\.9|1\.0|1\.1) [1-5][0-9][0-9] [\x09-\x0d -~]*(connection:|content-type:|content-length:|date:)|post [\x09-\x0d -~]* http/[01]\.[019]
+# A slightly faster version that might be good enough:
+#http/(0\.9|1\.0|1\.1) [1-5][0-9][0-9]|post [\x09-\x0d -~]* http/[01]\.[019]
+# old pattern(s):
+#(http[\x09-\x0d -~]*(200 ok|302 |304 )[\x09-\x0d -~]*(connection:|content-type:|content-length:))|^(post [\x09-\x0d -~]* http/)
diff --git a/package/iptables/files/l7/ident.pat b/package/iptables/files/l7/ident.pat
new file mode 100644
index 0000000..672b075
--- /dev/null
+++ b/package/iptables/files/l7/ident.pat
@@ -0,0 +1,14 @@
+# Ident - Identification Protocol - RFC 1413
+# Pattern quality: good veryfast
+# Usually runs on port 113
+#
+# This pattern is believed to work. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+ident
+# "number , numberCRLF" possibly without the CR and/or LF.
+# ^$ is appropriate because the first packet should never have anything
+# else in it.
+^[1-9][0-9]?[0-9]?[0-9]?[0-9]?[\x09-\x0d]*,[\x09-\x0d]*[1-9][0-9]?[0-9]?[0-9]?[0-9]?(\x0d\x0a|[\x0d\x0a])?$
diff --git a/package/iptables/files/l7/irc.pat b/package/iptables/files/l7/irc.pat
new file mode 100644
index 0000000..6643f6c
--- /dev/null
+++ b/package/iptables/files/l7/irc.pat
@@ -0,0 +1,20 @@
+# IRC - Internet Relay Chat - RFC 1459
+# Pattern quality: good veryfast
+#
+# Usually runs on port 6666 or 6667
+# Note that chat traffic runs on these ports, but IRC-DCC traffic (which
+# can use much more bandwidth) uses a dynamically assigned port, so you
+# must have the IRC connection tracking module in your kernel to classify
+# this.
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+irc
+# First thing that happens is that the client sends NICK and USER, in
+# either order. This allows MIRC color codes (\x02-\x0d instead of
+# \x09-\x0d).
+^(nick[\x09-\x0d -~]*user[\x09-\x0d -~]*:|user[\x09-\x0d -~]*:[\x02-\x0d -~]*nick[\x09-\x0d -~]*\x0d\x0a)
+
diff --git a/package/iptables/files/l7/jabber.pat b/package/iptables/files/l7/jabber.pat
new file mode 100644
index 0000000..7a0c684
--- /dev/null
+++ b/package/iptables/files/l7/jabber.pat
@@ -0,0 +1,24 @@
+# Jabber (XMPP) - an open instant messenger protocol - http://jabber.org
+# Pattern quality: good fast
+#
+# This pattern has been tested with Gaim and Gabber. It is only tested
+# with non-SSL mode Jabber with no proxies. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+# Thanks to Jan Hudec for some improvements.
+
+# Jabber seems to take a long time to set up a connection. I'm
+# connecting with Gabber 0.8.8 to 12jabber.org and the first 8 packets
+# is this:
+# <stream:stream to='12jabber.com' xmlns='jabber:client'
+# xmlns:stream='http://etherx.jabber.org/streams'><?xml
+# version='1.0'?><stream:stream
+# xmlns:stream='http://etherx.jabber.org/streams' id='3f73e951'
+# xmlns='jabber:client' from='12jabber.com'>
+#
+# No mention of my username or password yet, you'll note.
+
+jabber
+<stream:stream[\x09-\x0d ][ -~]*[\x09-\x0d ]xmlns=['"]jabber
diff --git a/package/iptables/files/l7/msnmessenger.pat b/package/iptables/files/l7/msnmessenger.pat
new file mode 100644
index 0000000..e07f71f
--- /dev/null
+++ b/package/iptables/files/l7/msnmessenger.pat
@@ -0,0 +1,15 @@
+# MSN Messenger - Microsoft Network chat client
+# Pattern quality: good veryfast
+#
+# Usually uses port 1863
+# http://www.hypothetic.org/docs/msn/index.php
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+msnmessenger
+# ver: allow versions up to 99.
+# usr (in case ver didn't work):
+^(ver [0-9]+ msnp[1-9][0-9]? [\x09-\x0d -~]* cvr|usr md5 i [ -~]*)
diff --git a/package/iptables/files/l7/ntp.pat b/package/iptables/files/l7/ntp.pat
new file mode 100644
index 0000000..b7e443e
--- /dev/null
+++ b/package/iptables/files/l7/ntp.pat
@@ -0,0 +1,17 @@
+# (S)NTP - (Simple) Network Time Protocol - RFCs 1305 and 2030
+# Pattern quality: good veryfast overmatch
+#
+# This pattern is tested and is believed to work. If this does not work
+# for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . Subscribe at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+# client|server
+# Requires the server's timestamp to be in the present or future (of 2005).
+# Tested with ntpdate on Linux.
+# Assumes version 2, 3 or 4.
+
+# Note that ntp packets are always 48 bytes, so you should match on that too.
+
+ntp
+^([\x13\x1b\x23\xd3\xdb\xe3]|[\x14\x1c$].......?.?.?.?.?.?.?.?.?[\xc6-\xff])
diff --git a/package/iptables/files/l7/pop3.pat b/package/iptables/files/l7/pop3.pat
new file mode 100644
index 0000000..f6bb630
--- /dev/null
+++ b/package/iptables/files/l7/pop3.pat
@@ -0,0 +1,50 @@
+# POP3 - Post Office Protocol version 3 (popular e-mail protocol) - RFC 1939
+# Pattern quality: good veryfast
+#
+# This pattern has been tested somewhat. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+# this is a difficult protocol to match because of the relative lack of
+# distinguishing information. Read on.
+pop3
+
+# this the most conservative pattern. It should definitely work.
+#^(\+ok|-err)
+
+# this pattern assumes that the server says _something_ after +ok or -err
+# I think this is probably the way to go.
+^(\+ok |-err )
+
+# more that 90% of servers seem to say "pop" after "+ok", but not all.
+#^(\+ok .*pop)
+
+# Here's another tack. I think this is my second favorite.
+#^(\+ok [\x09-\x0d -~]*(ready|hello|pop|starting)|-err [\x09-\x0d -~]*(invalid|unknown|unimplemented|unrecognized|command))
+
+# this matches the server saying "you have N messages that are M bytes",
+# which the client probably asks for early in the session (not tested)
+#\+ok [0-9]+ [0-9]+
+
+# some sample servers:
+# RFC example: +OK POP3 server ready <1896.697170952@dbc.mtview.ca.us>
+# mail.dreamhost.com: +OK Hello there.
+# pop.carleton.edu: +OK POP3D(*) Server PMDFV6.2.2 at Fri, 12 Sep 2003 19:28:10 -0500 (CDT) (APOP disabled)
+# mail.earthlink.net: +OK NGPopper vEL_4_38 at earthlink.net ready <25509.1063412951@falcon>
+# *.email.umn.edu: +OK Cubic Circle's v1.22 1998/04/11 POP3 ready <7d1e0000da67623f@aquamarine.tc.umn.edu>
+# mail.yale.edu: +OK POP3 pantheon-po01 v2002.81 server ready
+# mail.gustavus.edu: +OK POP3 solen v2001.78 server ready
+# mail.reed.edu: +OK POP3 letra.reed.edu v2002.81 server ready
+# mail.bowdoin.edu: +OK mail.bowdoin.edu POP3 service (iPlanet Messaging Server 5.2 HotFix 1.15 (built Apr 28 2003))
+# pop.colby.edu: +OK Qpopper (version 4.0.5) at basalt starting.
+# mail.mac.com: +OK Netscape Messaging Multiplexor ready
+
+# various error strings:
+#-ERR Invalid command.
+#-ERR invalid command
+#-ERR unimplemented
+#-ERR Invalid command, try one of: USER name, PASS string, QUIT
+#-ERR Unknown AUTHORIZATION state command
+#-ERR Unrecognized command
+#-ERR Unknown command: "sadf'".
diff --git a/package/iptables/files/l7/smtp.pat b/package/iptables/files/l7/smtp.pat
new file mode 100644
index 0000000..1bab7a1
--- /dev/null
+++ b/package/iptables/files/l7/smtp.pat
@@ -0,0 +1,39 @@
+# SMTP - Simple Mail Transfer Protocol - RFC 2821 (See also RFC 1869)
+# Pattern quality: great fast
+# usually runs on port 25
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+smtp
+# As usual, no text is required after "220", but all known servers have some
+# there. It (almost?) always has string "smtp" in it. The RFC examples
+# does not, so we match those too, just in case anyone has copied them
+# literally.
+^220[\x09-\x0d -~]* (e?smtp|simple mail)
+
+# This is ~3x faster if the stream starts with "220"
+#^220.* (e?smtp|simple mail)
+
+# Some examples:
+# 220 mail.stalker.com ESMTP CommuniGate Pro 4.1.3
+# 220 mail.vieodata.com ESMTP Merak 6.1.0; Mon, 15 Sep 2003 13:48:11 -0400
+# 220 mail.ut.caldera.com ESMTP
+# 220 persephone.pmail.gen.nz ESMTP server ready.
+# 220 smtp1.superb.net ESMTP
+# 220 mail.kerio.com Kerio MailServer 5.6.7 ESMTP ready
+# 220-mail.deerfield.com ESMTP VisNetic.MailServer.v6.0.9.0; Mon, 15 Sep 2003 13:4
+# 220 altn.com ESMTP MDaemon 6.8.5; Mon, 15 Sep 2003 12:46:42 -0500
+# 220 X1 NT-ESMTP Server ipsmin0165atl2.interland.net (IMail 6.06 73062-3)
+# 220 mail.icewarp.com ESMTP Merak 6.1.1; Mon, 15 Sep 2003 19:43:23 +0200
+# 220-mail.email-scan.com ESMTP
+# 220 smaug.dreamhost.com ESMTP
+# 220 kona.carleton.edu -- Server ESMTP (PMDF V6.2#30648)
+# 220 letra.reed.edu ESMTP Sendmail 8.12.9/8.12.9; Mon, 15 Sep 2003 10:35:57 -0700 (PDT)
+# 220-swan.mail.pas.earthlink.net ESMTP Exim 3.33 #1 Mon, 15 Sep 2003 10:32:15 -0700
+#
+# RFC examples:
+# 220 xyz.com Simple Mail Transfer Service Ready (RFC example)
+# 220 dbc.mtview.ca.us SMTP service ready
diff --git a/package/iptables/files/l7/ssl.pat b/package/iptables/files/l7/ssl.pat
new file mode 100644
index 0000000..ab5f62c
--- /dev/null
+++ b/package/iptables/files/l7/ssl.pat
@@ -0,0 +1,15 @@
+# SSL and TLS - Secure Socket Layer / Transport Layer Security - RFC 2246
+# Pattern quality: good fast
+# Usually runs on port 443
+#
+# This is a superset validcertssl. For it to match, it must be first.
+#
+# This pattern has been tested and is believed to work well. If it does not
+# work for you, or you believe it could be improved, please post to
+# l7-filter-developers@lists.sf.net . This list may be subscribed to at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+ssl
+# Client Hello | Server Hello with certificate
+# This allows SSL 3.X, which includes TLS 1.0, known internally as SSL 3.1
+^(.?.?\x16\x03.*\x16\x03|.?.?\x01\x03\x01?.*\x0b)
diff --git a/package/iptables/files/l7/vnc.pat b/package/iptables/files/l7/vnc.pat
new file mode 100644
index 0000000..35bfbd4
--- /dev/null
+++ b/package/iptables/files/l7/vnc.pat
@@ -0,0 +1,23 @@
+# VNC - Virtual Network Computing. Also known as RFB - Remote Frame Buffer
+# Pattern quality: good fast
+# http://www.realvnc.com/documentation.html
+#
+# This pattern has been verified with vnc v3.3.7 on WinXP and Linux
+# Please report on how this pattern works for you at
+# l7-filter-developers@lists.sf.net . If you can improve on this pattern,
+# please also post to that list. You may subscribe at
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+#
+# Thanks to Trevor Paskett <tpaskett AT cymphonix.com> for this pattern.
+
+vnc
+# Assumes single digit major and minor version numbers
+# This message should be all alone in the first packet, so ^$ is appropriate
+^rfb 00[1-9]\.00[0-9]\x0a$
+
+# This is a more restrictive version which assumes the version numbers
+# are ones actually in existance at the time of this writing, i.e. 3.3,
+# 3.7 and 3.8 (with some clients wrongly reporting 3.5). It should be
+# slightly faster, but probably not worth the extra maintenance.
+# ^rfb 003\.00[3578]\x0a$
+