FortiClient with Ubuntu 22.04 Bytes Received 0

[kaCo]

Hey, Guys,

I don’t know if you can help me with this problem, but I have tried many types of configurations network and of interfaces, therefore, the problem still happening. 

On Windows I’m abel to Connect and use services of this VPN, but on Ubuntu, after some atualizations of system, when I try to connect the FortiClient shows the “VPN Connect” but the bytes received are iqual 0 and I can’t access the services and VMs. 

I already try restart network confugurations and reinstall FortiClient, but still not working.

Thanks for your attention

[AnthonyH]

Hello kaCo,

Do you know what FortiClient firmware you have installed? The latest FortiClient v7.4.2 support Ubuntu 22.04: https://docs.fortinet.com/document/forticlient/7.4.2/linux-release-notes/136392/product-integration-...

Also there are recommended installation instructions you can follow here: https://docs.fortinet.com/document/forticlient/7.4.2/linux-release-notes/213138/install-forticlient-...

Lastly have you tried other operating systems or devices to see if the behaviour is replicated? If that is the case it could be a configuration issue on the FortiGate we would need to check further on.

[kaCo]

Hi @AnthonyH, 

Unfortunately, nothing worked, it keeps setting the bytes to 0.

I'm using the latest version 7.4 on Ubuntu 22.04.

It's creating automatic interfaces every time I try to connect, it shows successful connection and doesn't allow me to access the services.

I tried adding dns to resolv.conf, but that didn't work either.

[kaCo]

And the worst part is that depending on where I change to try to fix the connection, I lose the internet connection.

[turhost]

If you're encountering issues with FortiClient on Ubuntu 22.04, where the bytes received remain at 0 and you cannot access VPN services, it could be due to network configurations or updates. First, ensure that your VPN settings are correct and reconfigure if necessary. Reinstall FortiClient using commands like sudo apt-get remove --purge forticlient followed by sudo apt-get install forticlient. You should also check your network interfaces and firewall settings to ensure they aren't blocking the VPN traffic. For further troubleshooting, check system and FortiClient logs for any relevant errors. For more solutions, you can explore additional options on turhost.

[kaCo]

Unfortunately, nothing worked, it keeps setting the bytes to 0.

I'm using the latest version 7.4 on Ubuntu 22.04.

It's creating automatic interfaces every time I try to connect, it shows successful connection and doesn't allow me to access the services.

I tried adding dns to resolv.conf, but that didn't work either.

[AEK]

Hi kaCo

As first troubleshooting step, you may try sniff from FGT side if anything is received.

Also try sniff on Ubuntu side if anything is sent/received through the tunnel interface.

[kaCo]

I still haven't been able to solve the problem, so I'm sending more information to see if you can help me:

[AEK]

It seems the interface is here with the right IP.

Can you also share the routing table.

[kaCo]

I don't know if something changes with the network configurations when the OS updates. But if I use this interface and run the command: sudo ip route add default dev  interface, the VPN works for a moment, but the internet isn't accessible.