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Hey there.
I'm currently in my second year in an Engineering School in France, and so many students here play SC2 that I want to create a SC2 group here to be able to play together.
I've ran into a problem due to no lan support (thanks Blizz !)
Last year, the IT administrator of the school has switched from a "Ports blacklisted" system to "Ports whitelisted" system because of people P2P downloading at school.
As a result, SC2 ports are blocked and when we try to run the game we have the "Bnet appears offline" error.
I'm pretty sure my only option is to go kissing some ass to whitelist the ports, but since I'm not really eager to do that, you guys are my last hope 
Any idea how to override that block ?
Thanks !
Edit : BTW, to have internet here, we connect to the school's wifi and then use cisco's VPN client to identify ourselves.
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Hyrule19028 Posts
Go kiss ass? There's not really anything you can do aside from that.
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look for a tunnel program, send data trough another port
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Tunnel the traffic over a VPN network or over SSH.
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Sucks they force you to waste bandwidth with the overhead of the VPN, especially on a large campus. By far, the easiest thing to do is just request that they open the ports. Tell them the truth, games are ok, P2P sharing is not. They are legally liable for the illegal stuff on the network. Unless you guys have a fairly shitty connection, they should have no problem opening the ports.
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Try Tor, it'll redirect your traffic I think.
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I'm actually in an identical situation.
(I guess your ISP is Renater too ?)
Using a VPN tunnel seems to work (I just tried it using itshidden.com) given that it allowed me to connect to battlenet.
However, I did not go farther than giving my account name and a false password given that I don't know whether this service is reliable or not.
Nevertheless, if itshidden.com works, any VPN using the same technology should work fine too !
Now, does someone know whether the authentification to the b.net servers is secure ? Do we risk a man-in-the-middle attack using a VPN ?
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Hey, thanks for your answers.
Yes krallin I'm in Grenoble and my ISP is renater.
I got some words from a friend who also told me about VPN tunnels, I guess that can be my best choice.
I don't really know that itshidden.com you're talking about... I could be interested if it's reliable.
Anyone knows more about this ?
Thanks.
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My friend is having the same problem, I'll let him know about this
Finally he will be able to play sc2 with me~!
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Um, no, just go talk to the IT department about it. There's a high chance they'll whitelist it. Just explain the situation and don't be a tard about it.
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Yea my school is doing that too. Me and a bunch of other guys are thinking about talking to the IT guys sometime, but in the mean time can you guys tell me a bit more about the VPN stuff?
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Talking to the IT guys would be a fine solution, but I think that the port blocking is done at the ISP level.
First, Renater's a state-owned and state-run ISP whose main focus is teaching and research.
Second, it's not just SC2 that is being blocked (WoW is too, for example). Therefore, I guess that should one just need to ask the IT guys about whitelisting these ports, it would already be done.
Now, among the ports that Renater opens, you have the ports over which a VPN's supposed to work (alongside ports for POP, IMAP, SMTP and stuff).
For those who asked, a VPN's a technology that reroutes your internet traffic to a remote location in an encrypted fashion, for instance.
- My PC is A.
- My VPN provider is B.
- I want to connect to website/service C (ie. Bnet).
With no VPN, when I try to connect to C, my traffic is directed straight there. But my ISP just gets to read it and sees port 1119 so it just blocks it.
With a VPN, when I want to connect to C, my traffic goes in an encrypted fashion and over a VPN port (therefore, it's not blocked) to B. There, it is decrypted, and then sent to C. C's answer then returns to B, where it is encrypted and sent back to me.
Of course, this creates lag and has negative effects on your bandwidth. Now, the negative effect depends mostly on your VPN provider's quality (and price).
Hope this helps.
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Ha i have exactly the same problem, could anyone give a link to a good VPn provider or something, i would really appreciate it as im not good with this stuff and i dont want to pick a random one.
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If the above poster is correct about it being an education ISP level port block, you need the VPN. But I would strongly encourage you to go speak to your IT department. Unless your school is REALLY hurting for bandwidth, most will not have a problem whitelisting. They may only allow the whitelist after a certain to ensure the academia side of things doesn't get bottlenecked, or lower that traffics priority, but you should be able to get it open.
Much better than the VPN in terms of connection quality.
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EPT
