FireWalla OpenVPN issue

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Seif Tlili

• November 05, 2022 21:43

Not sure if anyone had this issue with OpenVPN, i have setup OpenVPN on firewalla and i can login/authenticate successfully however i can`t reach anything behind firewalla except firewalla inside IP address, anything within firewalla internal subnet doesnt reply to ping and i also loose internet access when i`m the VPN.

Anyone had this issue ... i honestly bought this firewall mostly for VPN and it seems like i will be returning it

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  Firewalla

  • November 05, 2022 22:09

  Try to ping the IP addresses of the inside devices and see if they respond. If the don't respond, then please check if you have any rules on your LAN segment that blocks traffic. 

   

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  Seif Tlili

  • November 05, 2022 22:18

  Oh i tried, i can only ping my Inside firewalla IP address, there are no rules that block traffic, any other devices doesnt respond to ping.

  This is a VPN issue

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  Seif Tlili

  • November 05, 2022 22:34

  

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  Seif Tlili

  • November 05, 2022 22:35

  you can see from the screenshot that i can only ping the inside interface of firewalla and nothing else, also 0Bytes of traffic received when testing !

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  David Rothenberger

  • November 06, 2022 00:24

  The OpenVPN clients are in their own network on the Firewalla. Make sure you have rules that allow that network to talk to your main LAN.

  Also, note that pings can be blocked per network, so if they are blocked for your LAN, that would explain why you can't ping anything when connected to the VPN. This setting is under Settings (gear icon at top right) / Advanced / Configurations / Block ICMP (Ping). Make sure it is disabled for your LAN.

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  Seif Tlili

  • November 06, 2022 00:30

  This is not my first time setting up VPN, is there any chance i can get proper support ? Firewalla is setup properly, VPN is sitting on its own network that i have setup, there are no rules at all !

  This is a bug, a functionality issue ... honestly it`s frustrating

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  David Rothenberger

  • November 06, 2022 00:57

  Open a support ticket in the app or send an email to help@firewalla.com. They are very responsive in my experience.

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  Seif Tlili

  • November 06, 2022 01:05

  They are indeed, the issue was related to overlapping route, i would`ve imagined that the router will use a longest match wildcard when performing routes, i had a route for 10.0.0.0/8 as a static route for my internal lab which was overlapping with the VPN subnet so i moved the vpn subnet to 172.16.X.X/24 to fix it

  Thanks

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  Firewalla

  • November 06, 2022 01:17

  Couple more things

  Where are you VPN from? is it the same network as your VPN server is at? Also, what's the LAN address, is it the same as the one you are VPN to? both of these may cause LAN device not able to reply

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