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Diffstat (limited to 'package/iptables/files/l7/http.pat')
| -rw-r--r-- | package/iptables/files/l7/http.pat | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/package/iptables/files/l7/http.pat b/package/iptables/files/l7/http.pat new file mode 100644 index 000000000..520e7fe21 --- /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/) |