I have this alert but the swf file is a my banner on my website
[Thu Feb 28 17:14:14 2013] [error] [client XX.XX.XX.XX] ModSecurity: Access denied with code 406 (phase 2). Pattern match "\\\\%(?![0-9a-fA-F]{2}|u[0-9a-fA-F]{4})" at REQUEST_HEADERS:User-Agent. [file "/usr/local/apache/conf/modsec2.user.conf"] [line "20"] [id "950107"] [msg "URL Encoding Abuse Attack Attempt"] [severity "WARNING"] [hostname "www.domain .it"] [uri "/adv/300x250.swf"] [unique_id "US@CVk@Pu@YAAD2xxVkAAAAP"]
[Thu Feb 28 17:14:14 2013] [error] [client XX.XX.XX.XX] ModSecurity: Access denied with code 406 (phase 2). Pattern match "\\\\%(?![0-9a-fA-F]{2}|u[0-9a-fA-F]{4})" at REQUEST_HEADERS:User-Agent. [file "/usr/local/apache/conf/modsec2.user.conf"] [line "20"] [id "950107"] [msg "URL Encoding Abuse Attack Attempt"] [severity "WARNING"] [hostname "www.domain .it"] [uri "/adv/300x250.swf"] [unique_id "US@CVk@Pu@YAAD2xxVkAAAAP"]