Hello, In fact my original problem is: if I use the first DNS, Squid run fine 10-15 minutes then it restart, I can see nothing in Cache.log: 2006/03/29 17:14:16| WARNING: Disk space over limit: 105540 KB > 102400 KB 2006/03/29 17:25:44| Starting Squid Cache version 2.5.STABLE6 for i386-debian-linux-gnu... 2006/03/29 17:25:44| Process ID 1115 2006/03/29 17:25:44| With 4096 file descriptors available 2006/03/29 17:25:44| DNS Socket created at 0.0.0.0, port 32774, FD 5 2006/03/29 17:25:44| Adding nameserver 193.108.217.69 from /etc/resolv.conf 2006/03/29 17:25:44| Adding nameserver 193.108.217.70 from /etc/resolv.conf 2006/03/29 17:25:44| User-Agent logging is disabled. 2006/03/29 17:25:44| Referer logging is disabled. 2006/03/29 17:25:44| Unlinkd pipe opened on FD 10 2006/03/29 17:25:44| Swap maxSize 102400 KB, estimated 7876 objects 2006/03/29 17:25:44| Target number of buckets: 393 2006/03/29 17:25:44| Using 8192 Store buckets 2006/03/29 17:25:44| Max Mem size: 102400 KB 2006/03/29 17:25:44| Max Swap size: 102400 KB 2006/03/29 17:25:44| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec 2006/03/29 17:25:44| Store logging disabled 2006/03/29 17:25:44| Rebuilding storage in /cache (DIRTY) 2006/03/29 17:25:44| Using Least Load store dir selection 2006/03/29 17:25:44| Set Current Directory to /cache_log/ 2006/03/29 17:25:44| Loaded Icons. 2006/03/29 17:25:44| Accepting HTTP connections at 0.0.0.0, port 8080, FD 11. 2006/03/29 17:25:44| Accepting ICP messages at 0.0.0.0, port 3130, FD 12. 2006/03/29 17:25:44| HTCP Disabled. 2006/03/29 17:25:44| WCCP Disabled. 2006/03/29 17:25:44| Ready to serve requests. 2006/03/29 17:25:44| Configuring Parent rb-proxy-ip.company.com/8080/0 2006/03/29 17:25:44| Store rebuilding is 30.1% complete 2006/03/29 17:25:45| WARNING: newer swaplog entry for dirno 0, fileno 00000001 ... 2006/03/29 17:25:45| WARNING: newer swaplog entry for dirno 0, fileno 0000010F 2006/03/29 17:25:45| Done reading /cache swaplog (13998 entries) 2006/03/29 17:25:45| Finished rebuilding storage from disk. 2006/03/29 17:25:45| 11780 Entries scanned 2006/03/29 17:25:45| 0 Invalid entries. 2006/03/29 17:25:45| 0 With invalid flags. 2006/03/29 17:25:45| 11431 Objects loaded. 2006/03/29 17:25:45| 0 Objects expired. 2006/03/29 17:25:45| 2 Objects cancelled. 2006/03/29 17:25:45| 501 Duplicate URLs purged. 2006/03/29 17:25:45| 347 Swapfile clashes avoided. 2006/03/29 17:25:45| Took 0.7 seconds (17536.2 objects/sec). 2006/03/29 17:25:45| Beginning Validation Procedure 2006/03/29 17:25:45| Completed Validation Procedure 2006/03/29 17:25:45| Validated 10930 Entries 2006/03/29 17:25:45| store_swap_size = 105976k 2006/03/29 17:25:45| storeLateRelease: released 0 objects 2006/03/29 17:25:45| WARNING: Disk space over limit: 105000 KB > 102400 KB 2006/03/29 17:28:54| Starting Squid Cache version 2.5.STABLE6 for i386-debian-linux-gnu... 2006/03/29 17:28:54| Process ID 1118 2006/03/29 17:28:54| With 4096 file descriptors available 2006/03/29 17:28:54| DNS Socket created at 0.0.0.0, port 32774, FD 5 2006/03/29 17:28:54| Adding nameserver x.x.217.69 from /etc/resolv.conf 2006/03/29 17:28:54| Adding nameserver x.x.217.70 from /etc/resolv.conf 2006/03/29 17:28:54| User-Agent logging is disabled. 2006/03/29 17:28:54| Referer logging is disabled. 2006/03/29 17:28:54| Unlinkd pipe opened on FD 10 2006/03/29 17:28:54| Swap maxSize 102400 KB, estimated 7876 objects 2006/03/29 17:28:54| Target number of buckets: 393 2006/03/29 17:28:54| Using 8192 Store buckets 2006/03/29 17:28:54| Max Mem size: 102400 KB 2006/03/29 17:28:54| Max Swap size: 102400 KB 2006/03/29 17:28:54| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec 2006/03/29 17:28:54| Store logging disabled 2006/03/29 17:28:54| Rebuilding storage in /cache (DIRTY) 2006/03/29 17:28:54| Using Least Load store dir selection 2006/03/29 17:28:54| Set Current Directory to /cache_log/ 2006/03/29 17:28:54| Loaded Icons. 2006/03/29 17:28:54| Accepting HTTP connections at 0.0.0.0, port 8080, FD 11. 2006/03/29 17:28:54| Accepting ICP messages at 0.0.0.0, port 3130, FD 12. 2006/03/29 17:28:54| HTCP Disabled. 2006/03/29 17:28:54| WCCP Disabled. 2006/03/29 17:28:54| Ready to serve requests. 2006/03/29 17:28:54| Configuring Parent rb-proxy-ip.company.com/8080/0 2006/03/29 17:28:54| Store rebuilding is 31.5% complete 2006/03/29 17:28:54| Done reading /cache swaplog (13390 entries) 2006/03/29 17:28:54| Finished rebuilding storage from disk. 2006/03/29 17:28:54| 11453 Entries scanned 2006/03/29 17:28:54| 0 Invalid entries. 2006/03/29 17:28:54| 0 With invalid flags. 2006/03/29 17:28:54| 11433 Objects loaded. 2006/03/29 17:28:54| 0 Objects expired. 2006/03/29 17:28:54| 0 Objects cancelled. 2006/03/29 17:28:54| 501 Duplicate URLs purged. 2006/03/29 17:28:54| 20 Swapfile clashes avoided. 2006/03/29 17:28:54| Took 0.6 seconds (17620.4 objects/sec). 2006/03/29 17:28:54| Beginning Validation Procedure 2006/03/29 17:28:54| Completed Validation Procedure 2006/03/29 17:28:54| Validated 10932 Entries 2006/03/29 17:28:54| store_swap_size = 106796k 2006/03/29 17:28:55| storeLateRelease: released 0 objects 2006/03/29 17:28:55| WARNING: Disk space over limit: 105820 KB > 102400 KB When I switch to another DNS server in resolv.conf the proxy has not this effect... Juste message regarding ipcacheParse G.L.