Hi Friends, I m getting errors in cache.log file.. [root@xxxxxxxxxxxxxxxxxxxxx ~]# tail -f /var/log/squid/cache.log 2010/12/24 13:26:21| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 316: (92) Protocol not available 2010/12/24 13:26:21| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 272: (92) Protocol not available 2010/12/24 13:26:21| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 279: (92) Protocol not available 2010/12/24 13:26:22| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 60: (92) Protocol not available 2010/12/24 13:26:23| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 316: (92) Protocol not available 2010/12/24 13:26:23| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 256: (92) Protocol not available 2010/12/24 13:26:23| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 331: (92) Protocol not available 2010/12/24 13:26:23| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 46: (92) Protocol not available 2010/12/24 13:26:23| IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 150: (92) Protocol not available Please advice me for the same. Thanks, Benjo