Cannot get specific ….....

[prasob]

In our network we are using proxy filtering ..now we connected a VPN using "Mobile VPN with SSL client" . and run some webservices via intranet . without proxy we get the site information .but when we applying proxy manually ,its not showing site .i don't know what happen . i just enable some ports of ssl . but still shows same issue . any one can help me for this problem .pls.