alert tcp any any -> any 7070 (msg:"IDS411/dos-realaudio"; \ flags:AP; content:"|fff4 fffd 06|"; reference:arachnids,IDS411;) alert tcp any any -> any 21 (msg:"IDS287/ftp-wuftp260-venglin-linux"; \ flags:AP; content:"|31c031db 31c9b046 cd80 31c031db|"; \ reference:arachnids,IDS287; reference:bugtraq,1387; \ reference:cve,CAN-2000-1574;)