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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2519 3c298f89-4303-0410-b956-a3cf2f4a3e73
51 lines
2.2 KiB
Plaintext
51 lines
2.2 KiB
Plaintext
# POP3 - Post Office Protocol version 3 (popular e-mail protocol) - RFC 1939
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# Pattern quality: good veryfast
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#
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# This pattern has been tested somewhat. If it does not
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# work for you, or you believe it could be improved, please post to
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# l7-filter-developers@lists.sf.net . This list may be subscribed to at
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# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
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# this is a difficult protocol to match because of the relative lack of
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# distinguishing information. Read on.
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pop3
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# this the most conservative pattern. It should definitely work.
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#^(\+ok|-err)
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# this pattern assumes that the server says _something_ after +ok or -err
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# I think this is probably the way to go.
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^(\+ok |-err )
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# more that 90% of servers seem to say "pop" after "+ok", but not all.
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#^(\+ok .*pop)
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# Here's another tack. I think this is my second favorite.
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#^(\+ok [\x09-\x0d -~]*(ready|hello|pop|starting)|-err [\x09-\x0d -~]*(invalid|unknown|unimplemented|unrecognized|command))
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# this matches the server saying "you have N messages that are M bytes",
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# which the client probably asks for early in the session (not tested)
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#\+ok [0-9]+ [0-9]+
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# some sample servers:
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# RFC example: +OK POP3 server ready <1896.697170952@dbc.mtview.ca.us>
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# mail.dreamhost.com: +OK Hello there.
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# pop.carleton.edu: +OK POP3D(*) Server PMDFV6.2.2 at Fri, 12 Sep 2003 19:28:10 -0500 (CDT) (APOP disabled)
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# mail.earthlink.net: +OK NGPopper vEL_4_38 at earthlink.net ready <25509.1063412951@falcon>
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# *.email.umn.edu: +OK Cubic Circle's v1.22 1998/04/11 POP3 ready <7d1e0000da67623f@aquamarine.tc.umn.edu>
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# mail.yale.edu: +OK POP3 pantheon-po01 v2002.81 server ready
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# mail.gustavus.edu: +OK POP3 solen v2001.78 server ready
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# mail.reed.edu: +OK POP3 letra.reed.edu v2002.81 server ready
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# mail.bowdoin.edu: +OK mail.bowdoin.edu POP3 service (iPlanet Messaging Server 5.2 HotFix 1.15 (built Apr 28 2003))
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# pop.colby.edu: +OK Qpopper (version 4.0.5) at basalt starting.
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# mail.mac.com: +OK Netscape Messaging Multiplexor ready
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# various error strings:
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#-ERR Invalid command.
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#-ERR invalid command
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#-ERR unimplemented
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#-ERR Invalid command, try one of: USER name, PASS string, QUIT
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#-ERR Unknown AUTHORIZATION state command
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#-ERR Unrecognized command
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#-ERR Unknown command: "sadf'".
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