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Doridian / wsvpn

VPN over WebSocket and WebTransport
BSD 3-Clause "New" or "Revised" License
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cannot add tap into a linux bridge #423

Open limbo127 opened 6 months ago

limbo127 commented 6 months ago

Hello, when i'm trying to put a tap from client to a linux bridge, and some some traffic, for example dhpcp-client or arp : 2023/12/18 09:09:27 commands.go:82: [CLIENT-UNSET] Got reply to command ID 10ce7e8b-977a-4b62-aa32-ebff1f3223a8 (ok): OK 2023/12/18 09:09:27 commands.go:67: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Network mode TAP, Subnet 192.168.3.2/24, MTU 1280, IPConfig enabled 2023/12/18 09:09:27 commands.go:85: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Opened interface tap0 2023/12/18 09:09:27 commands.go:116: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Configured interface, VPN online 2023/12/18 09:09:52 ping.go:37: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Sent ping 2023/12/18 09:09:52 ping.go:13: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Received pong 2023/12/18 09:10:17 ping.go:37: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Sent ping 2023/12/18 09:10:17 ping.go:13: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Received pong 2023/12/18 09:10:42 ping.go:37: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Sent ping 2023/12/18 09:10:42 ping.go:13: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Received pong

2023/12/18 09:11:07 ping.go:37: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Sent ping 2023/12/18 09:11:12 ping.go:45: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Ping timeout 2023/12/18 09:11:12 base.go:285: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Adapter ERROR: stream canceled with error code 1 2023/12/18 09:11:12 vpnnet.go:48: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Error reading packet from tun: read tun: file already closed

client close Regards, Nicolas

Doridian commented 6 months ago

The

 2023/12/18 09:11:12 ping.go:45: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Ping timeout

seems weird. Usually that only happens when the network link breaks down.

This can happen if you try to route all packets through the VPN for example, which will then also route VPN traffic through the VPN, which will break your network. (It can also happen if you just route some subnets through the VPN that happen to contain the VPN server). Maybe add a route for just the VPN server's IP just to make sure.

Other than that, are you adding the VPN adapter to its own bridge? Or a bridge that has, say, your default network on it? I don't know if the VPN will work well if its adapter is on the bridge it has to route through

limbo127 commented 6 months ago

Hello, I just make a linux bridge or openvswitch bridge, start wsvpn, berify that's ok with tunnel, then put the tun interface into bridge, then issue appears.

Le jeu. 28 déc. 2023 à 19:17, Mark Dietzer @.***> a écrit :

The

2023/12/18 09:11:12 ping.go:45: [CLIENT-f9362d80-8eb5-4016-a37c-3687987ac8e6] Ping timeout

seems weird. Usually that only happens when the network link breaks down.

This can happen if you try to route all packets through the VPN for example, which will then also route VPN traffic through the VPN, which will break your network. (It can also happen if you just route some subnets through the VPN that happen to contain the VPN server). Maybe add a route for just the VPN server's IP just to make sure.

Other than that, are you adding the VPN adapter to its own bridge? Or a bridge that has, say, your default network on it? I don't know if the VPN will work well if its adapter is on the bridge it has to route through

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