服务器(10.1.1.70) 启动squid后有Ready to serve requests（想做普通正向代理）.， 但是其他电脑ie中设置代理服务器为10.1.1.70端口3128后无法上网，就是完全无法连接，显示脱机，请教一下，本人在网络方面小白
以下是启动过程：
2015/03/31 17:19:08| Process ID 893
2015/03/31 17:19:08| With 4096 file descriptors available
2015/03/31 17:19:08| Performing DNS Tests...
2015/03/31 17:19:09| Successful DNS name lookup tests...
2015/03/31 17:19:09| DNS Socket created at 0.0.0.0, port 57386, FD 6
2015/03/31 17:19:09| Adding nameserver 8.8.8.8 from /etc/resolv.conf
2015/03/31 17:19:09| User-Agent logging is disabled.
2015/03/31 17:19:09| Referer logging is disabled.
2015/03/31 17:19:09| Unlinkd pipe opened on FD 10
2015/03/31 17:19:09| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec
2015/03/31 17:19:09| Swap maxSize 102400 + 8192 KB, estimated 8507 objects
2015/03/31 17:19:09| Target number of buckets: 425
2015/03/31 17:19:09| Using 8192 Store buckets
2015/03/31 17:19:09| Max Mem size: 8192 KB
2015/03/31 17:19:09| Max Swap size: 102400 KB
2015/03/31 17:19:09| Version 1 of swap file without LFS support detected...
2015/03/31 17:19:09| Rebuilding storage in /usr/local/squid/var/cache (CLEAN)
2015/03/31 17:19:09| Using Least Load store dir selection
2015/03/31 17:19:09| Current Directory is /usr/local/squid/etc
2015/03/31 17:19:09| Loaded Icons.
2015/03/31 17:19:09| Accepting HTTP connections at 10.1.1.70, port 3128, FD 12.
2015/03/31 17:19:09| HTCP Disabled.
2015/03/31 17:19:09| Pinger socket opened on FD 14
2015/03/31 17:19:09| Ready to serve requests.
2015/03/31 17:19:09| Done reading /usr/local/squid/var/cache swaplog (0 entries)
2015/03/31 17:19:09| Finished rebuilding storage from disk.
2015/03/31 17:19:09| 0 Entries scanned
2015/03/31 17:19:09| 0 Invalid entries.
2015/03/31 17:19:09| 0 With invalid flags.
2015/03/31 17:19:09| 0 Objects loaded.
2015/03/31 17:19:09| 0 Objects expired.
2015/03/31 17:19:09| 0 Objects cancelled.
2015/03/31 17:19:09| 0 Duplicate URLs purged.
2015/03/31 17:19:09| 0 Swapfile clashes avoided.
2015/03/31 17:19:09| Took 0.01 seconds ( 0.00 objects/sec).
2015/03/31 17:19:09| Beginning Validation Procedure
2015/03/31 17:19:09| Completed Validation Procedure
2015/03/31 17:19:09| Validated 25 Entries
2015/03/31 17:19:09| store_swap_size = 0
2015/03/31 17:19:10| storeLateRelease: released 0 objects
