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+# Ident - Identification Protocol - RFC 1413
+# Pattern quality: good veryfast
+# Usually runs on port 113
+#
+# This pattern is believed to work. 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
+
+ident
+# "number , numberCRLF" possibly without the CR and/or LF.
+# ^$ is appropriate because the first packet should never have anything
+# else in it.
+^[1-9][0-9]?[0-9]?[0-9]?[0-9]?[\x09-\x0d]*,[\x09-\x0d]*[1-9][0-9]?[0-9]?[0-9]?[0-9]?(\x0d\x0a|[\x0d\x0a])?$