Hello, we are trying to get reverse proxy work for Windows SBS 2008. Active-Sync and OWA works fine on SBS. I've exported the certificate from SBS as .pfx and converted it to .pem format. The Domain name remote.sci.de is not public; instead we use the public IP-Address. Any idea? Cosar --squid.conf---------------------------------------------------------------- visible_hostname revproxy debug_options ALL,1 extension_methods RPC_IN_DATA RPC_OUT_DATA https_port 192.168.50.199:443 accel cert=/etc/squid/cert/sbs2008.pem key=/etc/squid/cert/sbs2008.key defaultsite=remote.sci.de cache_peer 192.168.5.34 parent 443 0 no-query originserver login=PASS front-end-https=on name=exchangeServer acl owa dstdomain remote.sci.de cache_peer_access exchangeServer allow owa cache_peer_access exchangeServer allow all never_direct allow owa http_access allow owa http_access allow all miss_access allow owa miss_access allow all --squid.conf---------------------------------------------------------------- Cache.log says: 2011/01/18 16:24:57| Squid Cache (Version 3.0.STABLE20): Exiting normally. 2011/01/18 16:24:58| Starting Squid Cache version 3.0.STABLE20 for i386-redhat-linux-gnu... 2011/01/18 16:24:58| Process ID 10381 2011/01/18 16:24:58| With 1024 file descriptors available 2011/01/18 16:24:58| DNS Socket created at 0.0.0.0, port 38483, FD 7 2011/01/18 16:24:58| Adding domain sci.de from /etc/resolv.conf 2011/01/18 16:24:58| Adding nameserver 192.168.5.34 from /etc/resolv.conf 2011/01/18 16:24:58| User-Agent logging is disabled. 2011/01/18 16:24:58| Referer logging is disabled. 2011/01/18 16:24:58| Unlinkd pipe opened on FD 11 2011/01/18 16:24:58| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec 2011/01/18 16:24:58| Swap maxSize 102400 + 8192 KB, estimated 8507 objects 2011/01/18 16:24:58| Target number of buckets: 425 2011/01/18 16:24:58| Using 8192 Store buckets 2011/01/18 16:24:58| Max Mem size: 8192 KB 2011/01/18 16:24:58| Max Swap size: 102400 KB 2011/01/18 16:24:58| Version 1 of swap file with LFS support detected... 2011/01/18 16:24:58| Rebuilding storage in /var/spool/squid (CLEAN) 2011/01/18 16:24:58| Using Least Load store dir selection 2011/01/18 16:24:58| Current Directory is / 2011/01/18 16:24:58| Loaded Icons. 2011/01/18 16:24:58| Accepting HTTPS connections at 192.168.50.199, port 443, FD 13. 2011/01/18 16:24:58| HTCP Disabled. 2011/01/18 16:24:58| Configuring Parent 192.168.5.34/443/0 2011/01/18 16:24:58| Ready to serve requests. 2011/01/18 16:24:58| Done reading /var/spool/squid swaplog (48 entries) 2011/01/18 16:24:58| Finished rebuilding storage from disk. 2011/01/18 16:24:58| 48 Entries scanned 2011/01/18 16:24:58| 0 Invalid entries. 2011/01/18 16:24:58| 0 With invalid flags. 2011/01/18 16:24:58| 48 Objects loaded. 2011/01/18 16:24:58| 0 Objects expired. 2011/01/18 16:24:58| 0 Objects cancelled. 2011/01/18 16:24:58| 0 Duplicate URLs purged. 2011/01/18 16:24:58| 0 Swapfile clashes avoided. 2011/01/18 16:24:58| Took 0.03 seconds (1918.31 objects/sec). 2011/01/18 16:24:58| Beginning Validation Procedure 2011/01/18 16:24:58| Completed Validation Procedure 2011/01/18 16:24:58| Validated 121 Entries 2011/01/18 16:24:58| store_swap_size = 308 2011/01/18 16:24:59| storeLateRelease: released 0 objects -----BEGIN SSL SESSION PARAMETERS----- MFECAQECAgMBBAIAhAQABDAgagjWSe3u/7aXYFMw117Ty+i+g2VyHR1hRYLV/PND yxtyiDO7NYN7MVbNoZ+TOw6hBgIETTWxLqIEAgIBLKQCBAA= -----END SSL SESSION PARAMETERS----- 2011/01/18 16:26:54| TCP connection to 192.168.5.34/443 failed