各位好
小弟因为需要连到系上的系统，所以设定了学校的proxy，
但是设定完后网页显示这样↓
ERROR
The requested URL could not be retrieved
While trying to retrieve the URL:
http://203.64.167.174:999/Statistics/first.htm
The following error was encountered:
‧ Access Denied.
Access control configuration prevents your request from being allowed at this
time. Please contact your service provider if you feel this is incorrect.
Your cache administrator is root.
Generated Sun, 01 Jun 2014 23:03:57 GMT by proxy.nkmu.edu.tw
(squid/2.6.STABLE21)
不过之前阵子有连过几次都还正常，结果现在有问题，
是我有动到什么设定吗?
IE firefox 我都用过，问题一样没解。
谢谢