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How can i get around closed ports in a home network?

post #1 of 11
Thread Starter 
I got home from college around a week ago and i have noticed that i disconnect from almost every online game i play. I asked my dad if he changed any of the ports and he said yes, as someone he works with told him to close up most of the ports for security reasons. He changed the password so i can't change them, and now i'm stuck playing league of legends as it is the only game which seems to work now.

Is there any way for me to get around the ports needed for games like dota 2 and diablo 3 without opening the ports in the router? Any help would be great. Also if this is in the wrong section just tell me and i will remove it.
post #2 of 11
Closed ports or just nonforwarded ports? Closed ports can be "circumvented" using a VPN, but it mostly sounds like your father just doesn't want you to play games.

Closed ports is a silly security mechanism. It does very little to help security.
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post #3 of 11
Thread Starter 
I talked to him again and he seems to be ok with giving me the password now, no idea why he wasn't yesterday but it seems that they are not forwarded. Thanks for your help anyways gonX.
post #4 of 11
Quote:
Originally Posted by gonX View Post

Closed ports or just nonforwarded ports? Closed ports can be "circumvented" using a VPN, but it mostly sounds like your father just doesn't want you to play games.

Closed ports is a silly security mechanism. It does very little to help security.

Your post doesn't make a whole lot of sense. Closed ports are a vital security mechanism. And both closed and non-forwarded ports can be circumvented via network tunnels (SSH, VPN, etc)
post #5 of 11
Quote:
Originally Posted by Plan9 View Post

Your post doesn't make a whole lot of sense. Closed ports are a vital security mechanism. And both closed and non-forwarded ports can be circumvented via network tunnels (SSH, VPN, etc)

Closed ports mean you can not use them, both ingoing and outgoing. Nonforwarded means you can't use them ingoing - or a more simple explanation - closed ports mean you can't connect to a server on the other end using that port, while a nonforwarded port means you can connect to a server using that port on the other end, but other people can't connect to you through that port.
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post #6 of 11
You shouldn't need to forward any ports on a NAT router unless he has explicitly blocked them. On all home routers all ports are automatically blocked from the outside unless a connection has been negotiated from an internal computer. The only time you need to enable port forwarding is if you are hosting a service on the internal network which should be available to the public internet.

Diablo 3 and DOTA2 will be outbound connections which should work perfectly fine. Problems might arise if you are trying to update the software via p2p, but otherwise just playing shouldn’t be hindered by a home router (Unless your dad has explicitly blocked the port for that specific game).
Of course if you want to host a gaming server then you will need to forward the correct ports to your machine.

As for getting arouns that problem, a decent VPN with a server close to where you live would be a decent option. It might cost a few $$$, but i guess it's worth it if you really need to play these games.

With that being said unless your father has good reason i don't see why he shouldn't help you out with this. It's in his best interest to make your day a happy one, at least most days wink.gif

(I'm a parent myself)
Edited by jackbrennan2008 - 5/22/13 at 11:00am
post #7 of 11
Quote:
Originally Posted by gonX View Post

Closed ports mean you can not use them, both ingoing and outgoing. Nonforwarded means you can't use them ingoing - or a more simple explanation - closed ports mean you can't connect to a server on the other end using that port, while a nonforwarded port means you can connect to a server using that port on the other end, but other people can't connect to you through that port.

Yes, I know what you meant in your first post (even though your terminology is technically wrong). However that doesn't disprove anything that I posted.
  1. It's very easy to circumvent closed ports with network tunnels: ssh -L 7070:irc.freenode.net:7070 -p 443 user@domain.com and is if my magic you're now tunneling IRC traffic over SSH running on HTTPS (443). And then there's also sorts of other tricks like TCP tunneling over HTTP.
  2. Closing outbound ports can make a lot of sense on some setups. For example, with payment servers you don't want a web-based attack to allow the hacker connect back to his machine (there's clever tricks you can use to open remote shells on servers via that server connecting to you - rather than the usual method of you connecting to that server).

Edited by Plan9 - 5/22/13 at 11:56am
post #8 of 11
Quote:
Originally Posted by Plan9 View Post

Yes, I know what you meant in your first post (even though your terminology is technically wrong). However that doesn't disprove anything that I posted.
  1. It's very easy to circumvent closed ports with network tunnels: ssh -L 7070:irc.freenode.net:7070 -p 443 user@domain.com and is if my magic you're now tunneling IRC traffic over SSH running on HTTPS (443). And then there's also sorts of other tricks like TCP tunneling over HTTP.
  2. Closing outbound ports can make a lot of sense on some setups. For example, with payment servers you don't want a web-based attack to allow the hacker connect back to his machine (there's clever tricks you can use to open remote shells on servers via that server connecting to you - rather than the usual method of you connecting to that server).

My terminology is horribly wrong because I learned most of this through my education - which is in Danish. We aren't taught in English for the most part.

I'm saying all this from a purely home perspective. The average user will not know how to forward connections through SSH, just like they won't be running a payment server from their own computer. Closing ports makes no sense for the average user. I understand if someone in your family has some sensitive data, but even then I would really suggest a completely separate network, since a network is only as strong as its weakest link.
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post #9 of 11
Quote:
Originally Posted by gonX View Post

My terminology is horribly wrong because I learned most of this through my education - which is in Danish. We aren't taught in English for the most part.
It's more the concept really. All ports are closed by default. What you're talking about is the difference between firewalled outbound ports and port forwarding. And I only kicked off about your terminology because you proceeded to reiterate your post as if I had misunderstood you, rather than explain why you disagreed with my points.
Quote:
Originally Posted by gonX View Post

I'm saying all this from a purely home perspective. The average user will not know how to forward connections through SSH,
The SSH example was only posted because it was a single command and easy to explain. The principle is the same for VPN - which was the topic you raised - but I'm not about to start posting screenshots of VPN login GUIs to explain the same point that can be made in a few seconds with an SSH command.
Quote:
Originally Posted by gonX View Post

just like they won't be running a payment server from their own computer.
That's not the only instance where firewalls are used. Just an example relevant to the job I'm working on at the moment smile.gif
Software firewalls are built into every copy of Windows since XP. You also get 3rd party software firewalls included with some antivirus suites. I'll explain why they're useful below.
Quote:
Originally Posted by gonX View Post

Closing ports makes no sense for the average user.
Actually it makes a lot of sense. If everyone had software firewall enabled then their PCs wouldn't be able to join botnets and thus the amount of spam and scale of DDoS attacks would be significantly reduced.
post #10 of 11
Quote:
Originally Posted by Plan9 View Post

snip

I thought you were more referring to hardware based firewalls smile.gif I totally agree with software firewalls - they are enabled by default on Windows, and with a good reason. I still believe that closing ports is a bad security mechanism - you can get far better results by sorting on a different level than just ports. A port tells nothing - it could be legitimate or bad. A good backdoor will not connect to any specific port - but it will most likely have a specific fingerprint that can be traced on the application layer.
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