2012/12/12 12:18:28 kid1| Logfile: opening log daemon:/var/log/squid/access-backend3a.log 2012/12/12 12:18:28 kid1| Logfile Daemon: opening log /var/log/squid/access-backend3a.log 2012/12/12 12:18:28 kid1| WARNING: no_suid: setuid(0): (1) Operation not permitted 2012/12/12 12:18:28 kid1| WARNING: no_suid: setuid(0): (1) Operation not permitted in my cache.log there is a warning. Is there any one tell me what's this?