Squid 'A' (2.6.STABLE13 On Cygwin) Squid 'B' (SquidNT 2.5.STABLE3-NT-CVS WWW Proxy Server (Bofi's) ) Both are running on same machine. P-IV 3.0 GHz. Squid 'B' is parent to Squid 'A' Everything is working fine, access.log of both the Squids is showing the requests being served, but there is an error in my cache.log on Squid 'A' running under Cygwin. 2007/07/23 17:34:31| parseHttpRequest: Unsupported method 'ENQ SOH CONNECT' 2007/07/23 17:34:31| clientReadRequest: FD 36 (192.168.1.12:1027) Invalid Request 2007/07/23 17:43:07| parseHttpRequest: Unsupported method 'ENQ SOH CONNECT' 2007/07/23 17:43:07| clientReadRequest: FD 15 (192.168.1.12:1105) Invalid Request 2007/07/23 18:32:14| TCP connection to 192.168.1.10/3128 failed 2007/07/23 18:32:15| TCP connection to 192.168.1.10/3128 failed 2007/07/23 18:32:16| TCP connection to 192.168.1.10/3128 failed 2007/07/23 18:42:17| Reconfiguring Squid Cache (version 2.6.STABLE13)... 2007/07/23 18:42:17| FD 11 Closing HTTP connection 2007/07/23 18:42:17| FD 12 Closing ICP connection 2007/07/23 18:42:17| DNS Socket created at 0.0.0.0, port 3065, FD 7 2007/07/23 18:42:17| Adding nameserver xxx.xxx.xxx.xxx from /etc/resolv.conf 2007/07/23 18:42:17| Adding nameserver xxx.xxx.xxx.xxx from /etc/resolv.conf 2007/07/23 18:42:17| Accepting proxy HTTP connections at 192.168.1.10, port 8080, FD 8. 2007/07/23 18:42:17| commSetNoLinger: FD 10: (109) Protocol not available 2007/07/23 18:42:17| Accepting ICP messages at 0.0.0.0, port 3130, FD 10. 2007/07/23 18:42:17| Configuring Parent 192.168.1.10/3128/3130 2007/07/23 18:42:17| Loaded Icons. 2007/07/23 18:42:17| Ready to serve requests. 2007/07/23 18:48:21| TCP connection to 192.168.1.10/3128 failed 2007/07/23 18:48:22| TCP connection to 192.168.1.10/3128 failed 2007/07/23 18:48:26| TCP connection to 192.168.1.10/3128 failed And cache log of Squid 'B' is showing that it is accepting connections at the desired port. Here is the cacne.log of Squid 'B'; 2007/07/23 18:48:27| Accepting HTTP connections at 192.168.1.10, port 3128, FD 13. 2007/07/23 18:48:27| Accepting HTTP connections at 0.0.0.0, port 8080, FD 14. 2007/07/23 18:48:27| Accepting ICP messages at 0.0.0.0, port 3130, FD 15. 2007/07/23 18:48:27| Accepting HTCP messages on port 4827, FD 16. 2007/07/23 18:48:27| Accepting SNMP messages on port 3401, FD 17. 2007/07/23 18:48:27| Ready to serve requests. 2007/07/23 18:48:27| Store rebuilding is 1.5% complete 2007/07/23 18:48:32| Done reading G:\Proxy/cache swaplog (273740 entries) 2007/07/23 18:48:32| Finished rebuilding storage from disk. 2007/07/23 18:48:32| 273740 Entries scanned 2007/07/23 18:48:32| 0 Invalid entries. 2007/07/23 18:48:32| 0 With invalid flags. 2007/07/23 18:48:32| 273739 Objects loaded. 2007/07/23 18:48:32| 0 Objects expired. 2007/07/23 18:48:32| 0 Objects cancelled. 2007/07/23 18:48:32| 0 Duplicate URLs purged. 2007/07/23 18:48:32| 1 Swapfile clashes avoided. 2007/07/23 18:48:32| Took 6.1 seconds (45037.7 objects/sec). 2007/07/23 18:48:32| Beginning Validation Procedure 2007/07/23 18:48:33| 262144 Entries Validated so far. 2007/07/23 18:48:33| Completed Validation Procedure 2007/07/23 18:48:33| Validated 273739 Entries 2007/07/23 18:48:33| store_swap_size = 2764792k 2007/07/23 18:48:34| storeLateRelease: released 0 objects What am I supposed to should I do? Regards.