Turn off compression on the ISA server. S From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Wilmar Perez Sent: Monday, June 12, 2006 9:40 AM To: ISA Mailing List Subject: [isalist] Problems downloading .tar.gz Hello everybody I've got a problem when users try to download files with the extension .tar.gz (vey popular in the Linux world) they get an HTTP filter message: Technical Information (for support personnel) * Error Code: 502 Proxy Error. The request was rejected by the HTTP filter. Contact your ISA Server administrator. (12217) * IP Address: 72.246.74.70 * Date: 6/12/2006 12:33:16 PM * Server: myserver.com * Source: web filter Please give me some hints on what to do here. Thanks a lot