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authorRenato Botelho <renato@netgate.com>2015-08-25 08:08:24 -0300
committerRenato Botelho <renato@netgate.com>2015-08-25 14:49:54 -0300
commit46bc6e545a17e77202aaf01ec0cd8d5a46567525 (patch)
tree32d18dda436ec739c67c489ceb771e8629cd926f /src/usr/local/share/protocols/telnet.pat
parent4d9801c2dbd2b3e54a39578ee62b93af66607227 (diff)
downloadpfsense-46bc6e545a17e77202aaf01ec0cd8d5a46567525.zip
pfsense-46bc6e545a17e77202aaf01ec0cd8d5a46567525.tar.gz
Move main pfSense content to src/
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diff --git a/src/usr/local/share/protocols/telnet.pat b/src/usr/local/share/protocols/telnet.pat
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+# Telnet - Insecure remote login - RFC 854
+# Pattern attributes: good veryfast fast
+# Protocol groups: remote_access obsolete ietf_internet_standard
+# Wiki: http://www.protocolinfo.org/wiki/Telnet
+# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE
+#
+# Usually runs on port 23
+#
+# This pattern is lightly tested.
+
+telnet
+# Matches at least three IAC (Do|Will|Don't|Won't) commands in a row.
+# My telnet client sends 9 when I connect, so this should be fine.
+# This pattern could fail on a unchatty connection or it could be
+# matched by something non-telnet spewing a lot of stuff in the fb-ff range.
+^\xff[\xfb-\xfe].\xff[\xfb-\xfe].\xff[\xfb-\xfe]
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