alert tcp $HOME_NET 2401 -> $EXTERNAL_NET any (msg:"GPL MISC CVS invalid module response"; flow:from_server,established; content:"cvs server|3A| cannot find module"; content:"error"; distance:1; classtype:misc-attack; sid:2102013; rev:3; metadata:created_at 2010_09_23, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)