El viernes, 16 julio del 2004 a las 02:34:28, Adam Aube escribi�: > Luis Miguel wrote: > > > El viernes, 16 julio del 2004 a las 12:06:07, Scott Phalen escribi�: > >>> We need a way to filter based on the whole MIME replied header or on > >>> select mime fields (filename) to cath this downloads. > > >> I created an ACL to block by keyword, e.g. "dialerexe". This will block > >> any URL that contains that word in the URL string. IF a user attempts to > >> reach a legitimate site with that in the URL I add the site to a "safe > >> url list" file and put that ahead of my keywords ACL. > >> I used this site to get a list of the known dialers/spyware keywords: > >> http://www.spywareguide.com/product_list_full.php > > > This is not a valid solution, you cant play Cat&Mouse all the time. > > You would have the same problem blocking by file name. > If you could do regex based on the MIME filename field or the whole mime replied header, then you can filter something like "filename=.*\.exe" stopping all .exe downloads, but you cant.
> You have the MIME type from the logs you showed us > (application/octet-stream) - just block that using rep_mime_type and > http_reply_access except for certain whitelisted sites. > If you block all "application/octet-stream", you destroy the users webs acces blocking all kind of files, for example many swf (flash) and css files are download as "application/octet-stream".
