Since so many people asked me about the possibility to get internet access within INF 129 without using the cumbersome and slow method via a VPN client, I wanted to give a manual how to get access using an alternative which is way faster and more reliable. The uni-network's speed is relatively high, but as far as I know the VPN servers are a bottleneck. The method I'm going to present is avoiding this via using an authentication protocol called 802.1x. This is similar to a wifi authentication, just for a wired network. Don't be scared, it's quite easy, just takes some clicking around.
I'll explain it step by step with screenshots from the German version of Windows 7 (btw: you can get a free copy of Windows 7 at the URZ at http://www.urz.uni-heidelberg.de/programme/msdnaa.html ). I'll provide a translation where I think it would be necessary.
A similar tutorial for Macs can be found here (I couldn't test it though):
http://www.uio.no/english/services/it/network/student-residential-network/instructions/mac10-5/
A German tutorial is provided by the URZ here: http://www.urz.uni-heidelberg.de/zugang/dot1x/
To my knowledge, this method works only at INF 129 so far and not at the other dorms.
Update (18.02.2012)
I added an alternative to step 9, which corresponds to the one from the URZ howto. The original version works with me though.
1.
A window will show up.
Type in "services.msc".
2.
In the list, look for "Wired AutoConfig" (German: "Automatische Konfiguration (verkabelt)" ). Double-click on it.
3.
Select "Automatic" at "Startup type", then "Start" and confirm by clicking on "OK".
4.
Right-click on the network icon in the task bar. Select "Network and Sharing center".
5.
Select "Local Area Connection".
6.
Click on "Properties" in the following window:
7.
There, select "Authentication":
8.
Check everything according to the screenshot below, then select "Settings".
9.
Select "Deutsche Telekom Root CA 2" under "Trusted Root Certification Authorities", then "Configure ...".
Alternative:
10.
Uncheck the checkbox here.
11.
Almost done! Click "Ok" in both windows. You should be back here:
Click on "Additional Settings".
12.
Here, select "user authentication" :
13.
After clicking "Ok" here and in the Properties-windows. The following window should pop up:
Type in your URZ account data.
14.
Select "Public Network" in the following window:
This is it! Enjoy!
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