diff options
author | James <> | 2013-03-17 12:16:37 +0000 |
---|---|---|
committer | James <> | 2013-03-17 12:16:37 +0000 |
commit | 27b76ab0671089c47506615a796a261e993896a7 (patch) | |
tree | 61213d67e7fa87b20356b23798558e2c4212c42f /package/network/utils/iptables/files/l7/.svn/text-base/ftp.pat.svn-base | |
download | trunk-36060-master.tar.gz trunk-36060-master.tar.bz2 trunk-36060-master.zip |
Diffstat (limited to 'package/network/utils/iptables/files/l7/.svn/text-base/ftp.pat.svn-base')
-rw-r--r-- | package/network/utils/iptables/files/l7/.svn/text-base/ftp.pat.svn-base | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/package/network/utils/iptables/files/l7/.svn/text-base/ftp.pat.svn-base b/package/network/utils/iptables/files/l7/.svn/text-base/ftp.pat.svn-base new file mode 100644 index 0000000..44d97c4 --- /dev/null +++ b/package/network/utils/iptables/files/l7/.svn/text-base/ftp.pat.svn-base @@ -0,0 +1,46 @@ +# FTP - File Transfer Protocol - RFC 959 +# Pattern attributes: great notsofast fast +# Protocol groups: document_retrieval ietf_internet_standard +# Wiki: http://protocolinfo.org/wiki/FTP +# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE +# +# 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. +# +# Handles the first two things a server should say: +# +# First, the server says it's ready by sending "220". 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. Almost all servers use only +# ASCII printable characters between the "220" and the "FTP", but non-English +# ones might use others. +# +# The next thing the server sends is a 331. All the above servers also +# send something including "password" after this code. By default, we +# do not match on this because it takes another packet and is more work +# for regexec. + +ftp +# by default, we allow only ASCII +^220[\x09-\x0d -~]*ftp + +# This covers UTF-8 as well +#^220[\x09-\x0d -~\x80-\xfd]*ftp + +# This allows any characters and is about 4x faster than either of the above +# (which are about the same as each other) +#^220.*ftp + +# This is 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 |