高手指点一下“Detect Proxy Server”是什么意思？

woxihuankele

我们学校用的是锐杰认证，费了半天才把认证软件安装设置好，结果每次上网都是上了一会就断了，我没有用代理，防火墙也都设置好了。每次上都是下面这样的错误，请高手指点！
[root@localhost ~]# xrgsu
XRGSupplicant 1.0.1
RuiJie Network CopyRight 2004
Please input your user name:EQ042056
Please input your password:
Use DHCP,1-Use,0-UnUse(Default: 0):0
Use default auth parameter,0-Use 1-UnUse(Default: 0):0
Searching server...
Connecting server...
Authenticating...

Authenticate SUCCESSFULLY!
Please input 'unauth' to LogOff:
Detect Proxy Server!Err = 4

xrgsu exit!