> > > > Hy, > > > > My question is simple: > > > > How to block with squid the remote loading of the files mp3 ? > > > You could probably use something like 'urlpath_regex' and block *.mp3'; However in practice this is useless because the mp3 content could be send files with other (file) extension names. SQUID does not inspect content of objects. To really close things up , one could use an ICAP based SQUID and send content to some content checker for analysis (an antivirus box with extended capabilities, for instance). M.