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# LPD - Line Printer Daemon Protocol (old-style UNIX printing) - RFC 1179
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# Pattern quality: ok veryfast
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# This pattern is untested. If it does not work for you, or you believe
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# it could be improved, please post to l7-filter-developers@lists.sf.net
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# This list may be subscribed to at
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# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
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# print waiting jobs: ^\x01[!-~]+\x0a$
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# receive a print job: ^\x02[!-~]+\x0a.[\x01\x02\x03][\x01-\x0a -~]*\x0a$
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# Send queue state: ^[\x03\x04][!-~]+[\x09-\x0d]+[a-z][\x09-\x0d -~]*\x0a$
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# Remove jobs: ^\x05[!-~]+[\x09-\x0d]+([a-z][!-~]*[\x09-\x0d]+[1-9][0-9]?[0-9]?|root[\x09-\x0d]+[!-~]+).*\x0a$
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# This pattern looks like it might match random data once in a while, but
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# testing shows that this is not the case.
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^(\x01[!-~]+|\x02[!-~]+\x0a.[\x01\x02\x03][\x01-\x0a -~]*|[\x03\x04][!-~]+[\x09-\x0d]+[a-z][\x09-\x0d -~]*|\x05[!-~]+[\x09-\x0d]+([a-z][!-~]*[\x09-\x0d]+[1-9][0-9]?[0-9]?|root[\x09-\x0d]+[!-~]+).*)\x0a$