rasmus-kirk
73 lines
1.8 KiB
Markdown
73 lines
1.8 KiB
Markdown
---
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title: Opening Ports
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---
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In order to open a port through a VPN you need to open a port with your VPN-provider.
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**Note:** Not all VPN-providers support this feature! Notably, Mullvad does not anymore!
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**Note:** The port present in the
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[nixarr.vpn.wgConf](https://nixarr.com/options.html#nixarr.vpn.wgconf),
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should not be used for any options!
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## AirVPN
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Go to the [ports page](https://airvpn.org/ports/) at AirVPN's website open
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a port. After opening it should look like this:
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Then you can set that port for a service, for example
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```nix {.numberLines}
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nixarr.transmission = {
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enable = true;
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vpn.enable = true;
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peerPort = 12345;
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};
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```
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## Debugging Ports
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**Note:** See [this GH issue](https://github.com/rasmus-kirk/nixarr/issues/27)
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first, since it's a common problem
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You can debug an open port using the
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[nixarr.vpn.vpnTestService](https://nixarr.com/options.html#nixarr.vpn.vpntestservice.enable):
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```nix {.numberLines}
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nixarr.vpn.vpnTestService = {
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enable = true;
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port = 12345;
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};
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```
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The service should be started automatically, to rerun it:
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```sh
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systemctl restart vpnTestService
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```
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If the DNS and IP checks out, it will
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open a `netcat` instance on the port specified in
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[nixarr.vpn.vpnTestService.port](https://nixarr.com/options.html#nixarr.vpn.vpntestservice.port).
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You can then run the following from any computer:
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```sh
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nc <public VPN ip> <specified port>
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```
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Where the "`public VPN ip`" is the public IP of your VPN address, i.e. the
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one shown in the `vpnTestService` logs as your ip:
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```
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```
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Upon succesful connection type messages that _should_ show up in the
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`vpnTestService` logs. Reminder, to check the logs:
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```sh
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journalctl -xeu vpnTestService
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```
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