You have to imply this in you email filtering software not web filters which would not see that anyway. To understand why just netwatch web traffic when you click on that link. Regards David Farinic. ________________________________ From: Darko Kljajic [mailto:darko@xxxxxxxxxxxxxxxx] Sent: Friday, April 15, 2005 9:27 AM To: [ISAserver.org Discussion List] Subject: [isalist] RegEx in HTTP filter http://www.ISAserver.org Does MS ISA 2004 support regular expressions in HTTP filter? I.E. Can I block web sites that redirects web browser to something that looks like valid e-mail address, but finally it is a executable file (?unknown@xxxxxxxxxxx)? Thanks in advance, Darko Kljajić Administrator for operating systems This mail was checked for viruses by GFI MailSecurity. GFI also develops anti-spam software (GFI MailEssentials), a fax server (GFI FAXmaker), and network security and management software (GFI LANguard) - www.gfi.com