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when I try to play this flash online game "tankionline.com" using our university proxy I get this error "Cannot establish connection (host: 62.152.57.11, ports: 4444,5190,5223,5222,5050)".

In windows I use "Microsoft Firewall Client for ISA Server" to solve this problem.

how can I solve it in ubuntu?

the problem is not from the browser because I have tried different ones and nothing worked.

thanks

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You can't. Your university blocks these ports for a reason. –  aquaherd Feb 27 '13 at 21:05
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Most proxies restrict available ports.. talk to your network admin

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OK, how come I can solve this problem using "Microsoft Firewall Client for ISA Server"? –  Abdullah Ibraheem Feb 27 '13 at 21:10
    
By tunneling? Dunno, never used it. technet.microsoft.com/en-us/library/cc302450.aspx –  Grizly Feb 27 '13 at 21:55
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