alert tcp $HOME_NET 5631:5632 -> $EXTERNAL_NET any (msg:"GPL POLICY PCAnywhere Failed Login"; flow:from_server,established; content:"Invalid login"; depth:16; reference:arachnids,240; classtype:unsuccessful-user; sid:2100512; rev:5; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)