drop tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET"; flags:S; threshold:type both, track by_src, count 5, seconds 60; classtype:attempted-recon; sid:1000001; rev:1;)
drop tcp any any -> any 80 (msg:"SQL injection"; content:"union"; nocase; content:"select"; nocase; classtype:web-application-attack; sid:1000002; rev:1;)
drop tcp any any -> any 80 (msg:"SQl injection"; content:"'or 1=1"; nocase; classtype:web-application-attack; sid:1000003; rev:1;)
drop tcp any any -> any 80 (msg:"XSS"; content:"<script"; nocase; classtype:web-application-attack; sid:1000004; rev:1;)