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+# NNTP - Network News Transfer Protocol - RFCs 977 and 2980
+# Pattern attributes: good fast fast
+# Protocol groups: ietf_proposed_standard
+# Wiki: http://www.protocolinfo.org/wiki/NNTP
+# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE
+#
+# usually runs on port 119
+
+# This pattern is tested and is believed to work well (but could use
+# more testing).
+
+nntp
+# matches authorized login
+# OR
+# matches unauthorized login if the server says "news" after 200/201
+# (Half of the 2 servers I tested did :-), but they both required authorization
+# so it's quite possible that this pattern will miss some nntp traffic.)
+^(20[01][\x09-\x0d -~]*AUTHINFO USER|20[01][\x09-\x0d -~]*news)
+
+# same thing, slightly more accurate, but 100+ times slower
+#^20[01][\x09-\x0d -~]*\x0d\x0a[\x09-\x0d -~]*AUTHINFO USER|20[01][\x09-\x0d -~]*news
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