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Add VPN Troubleshooting

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PROTechThor 2020-10-30 15:07:40 +01:00
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external/configuration-guides/vpn.md vendored
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@ -318,6 +318,4 @@ If you want to update your TemplateVMs through the VPN, you can enable the `qube
Troubleshooting
---------------
* Always test your basic VPN connection before adding scripts.
* Test DNS: Ping a familiar domain name from an appVM. It should print the IP address for the domain.
* Use `iptables -L -v` and `iptables -L -v -t nat` to check firewall rules. The latter shows the critical PR-QBS chain that enables DNS forwarding.
See the [VPN Troubleshooting](/doc/vpn-troubleshooting/) guide for tips on how to fix common VPN issues.