>... >.... > squid -v > Squid Cache: Version 2.5.STABLE9 > configure options: --prefix=/usr --exec_prefix=/usr --bindir=/usr/sbin > --sbindir=/usr/sbin --libexecdir=/usr/lib/squid --sysconfdir=/etc/squid > --localstatedir=/var/spool/squid --datadir=/usr/share/squid --enable-async-io > --with-pthreads --enable-storeio=ufs,aufs,diskd,null --enable-linux-netfilter > --enable-arp-acl --enable-removal-policies=lru,heap --enable-snmp > --enable-delay-pools --enable-htcp --enable-poll --enable-cache-digests > --enable-underscores --enable-referer-log --enable-useragent-log > --enable-auth=basic,digest,ntlm --enable-carp --with-large-files > i386-debian-linux > Please upgrade to the latest STABLE release and verify this issue again. During the configure stage, use only those configure-options which you need. M.