>> I restart My OP system . now I use squid command.anything apeared but >> when I enter squid command for start it squid is allredy running show >> me. >> could it be, that there is already a squid-version from your distribution running? so both - that from your distribution and your squd - will try to use the same port? have a look in cache.log, access.log etc... markus It could also be that there is a squid.pid file that already exists on the system. What OS? Dave