≪ View Page

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision		Previous revision
en:centro:servizos:vpn:start [2016/11/15 16:31] – created jorge.suarezen:centro:servizos:vpn:start [2024/05/23 10:32] (current) – fernando.guillen
Line 1: Line 1:
 ====== VPN ====== ====== VPN ======
- 
 ===== Service description ===== ===== Service description =====
 Allows access to the internal network from anywhere trough Internet. Allows access to the internal network from anywhere trough Internet.
Line 6: Line 5:
  
 ===== Activation  ===== ===== Activation  =====
-You have to register filling the [[https://citius.usc.es/dashboard/enviar-incidencia| requests and problem reporting form]]. This form is only available to CITIUS users.+Check in [[https://apps.citius.usc.es/xici/personainternas/edit|Xici permissions]] whether the service //Acceso ext. VPN// is listed. If the service is listed, you don't need to register. 
 +<note warning> 
 +Depending on your user type, it can be possible that you're not allowed to access this page. 
 +</note> 
 +If needed, you have to register filling the [[https://citius.usc.es/dashboard/enviar-incidencia| requests and problem reporting form]]. This form is only available to CITIUS users.
  
-The necessary configuration files are located in [[https://apps.citius.usc.es/carqueixa/home/VPN|the VPN folder in your home]]. Former activations had the files sent by mail, if that was your case and would rather prefer to have the files in your home you can request so.+The necessary configuration files are located in [[https://nextcloud.citius.usc.es/|the VPN folder in Nextcloud]].
  
 The installation guides tell you when and how to use those files. The installation guides tell you when and how to use those files.
Line 14: Line 17:
 ===== User guides ===== ===== User guides =====
  
 +  * [[en:centro:servizos:vpn:windows| Windows 10/11 User Guide]]
 +  * [[en:centro:servizos:vpn:ubuntu| Ubuntu 22.04 User Guide]]
 +  * [[en:centro:servizos:vpn:android| Android User Guide]]
   * [[en:centro:servizos:vpn:centos| CentOS 6 User Guide]]   * [[en:centro:servizos:vpn:centos| CentOS 6 User Guide]]
   * [[en:centro:servizos:vpn:linux| Generic GNU/Linux (without Network Manager) User Guide]]   * [[en:centro:servizos:vpn:linux| Generic GNU/Linux (without Network Manager) User Guide]]
   * [[en:centro:servizos:vpn:macosx| Mac OS X 10.8/10.9/10.10 User Guide]]   * [[en:centro:servizos:vpn:macosx| Mac OS X 10.8/10.9/10.10 User Guide]]
-  * [[en:centro:servizos:vpn:ubuntu| Ubuntu 12.04/14.04 User Guide]] 
-  * [[en:centro:servizos:vpn:windows| Windows 7/8/8.1/10 User Guide]] 
-  * [[en:centro:servizos:vpn:android| Android 4.x/5.x User Guide]] 
  
  
 ===== Frequent issues ===== ===== Frequent issues =====
 +==== DNS error when using SSH ====
 +Specially in Ubuntu, when using SSH to connect to CiTIUS servers it fails with a DNS error : " SSH: Could not resolve hostname ...." . The solution is to use the correspondent IP address to connect instead of the hostname.
 +
 ==== The VPN isn't working from anywhere (and never did) ==== ==== The VPN isn't working from anywhere (and never did) ====
  
Line 29: Line 35:
 To do so, open a terminal window and enter ''ping vpn.citius.usc.es'' and check that the answers are from that ip address. If it is not, then use the address instead of the name in the configuration. To do so, open a terminal window and enter ''ping vpn.citius.usc.es'' and check that the answers are from that ip address. If it is not, then use the address instead of the name in the configuration.
  
 +To change the configuration in Windows, right click the systray icon and choose "Edit configuration...". In the text editor, change ''remote vpn.citius.usc.es'' to ''remote 193.144.83.110''. Remove the whole line ''verify-x509-name "vpn.citius.usc.es" name''. Save and close the editor.
 ==== The VPN worked until recently but not anymore ==== ==== The VPN worked until recently but not anymore ====
  
Line 36: Line 43:
  
 After this service was launched the list of ports that an EDUROAM network has to have open has been standardized. We use port ''22 UDP'' for the VPN service and sadly that port was not in the list. The same thing happens when connecting from other networks like the SERGAS, which have that port filtered. After this service was launched the list of ports that an EDUROAM network has to have open has been standardized. We use port ''22 UDP'' for the VPN service and sadly that port was not in the list. The same thing happens when connecting from other networks like the SERGAS, which have that port filtered.
 +
 To work around that problem we redirect port ''1194 UDP''(which is open in EDUROAM) to ''22 UDP''. So if you are having trouble change the connection port to 1194 and try again. To work around that problem we redirect port ''1194 UDP''(which is open in EDUROAM) to ''22 UDP''. So if you are having trouble change the connection port to 1194 and try again.
  
 +To change the configuration in Windows, right click the systray icon and choose "Edit configuration...". In the text editor, change ''22 udp'' to ''1194 udp'' (all lowecase). Save and close the editor.
 ==== Can't reach any computer using SSH  ==== ==== Can't reach any computer using SSH  ====
 Certain combinations of SSH clients and servers can have traffic between them blocked by Internet providers when negotiating the connection encryption. To check if the problem applies to your case, try to connect with the ''-v'' parameter. You should see messages like these: Certain combinations of SSH clients and servers can have traffic between them blocked by Internet providers when negotiating the connection encryption. To check if the problem applies to your case, try to connect with the ''-v'' parameter. You should see messages like these: