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Added wireguard debug links to doku

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Kevin Veen-Birkenbach 2023-04-16 08:26:13 +02:00
parent 02f0b30758
commit 0ddd068ff5
1 changed files with 17 additions and 1 deletions
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18
roles/application-wireguard/README.md
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@ -12,6 +12,22 @@ Manages wireguard on a client.
## Debug
### RTNETLINK answers: Permission denied
When ```systemctl restart wg-quick@wg0.service``` returns __RTNETLINK answers: Permission denied__, modify _/etc/sysctl.conf_:
```bash
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.default.disable_ipv6 = 0
net.ipv6.conf.lo.disable_ipv6 = 0
```
Afterwards reload:
```bash
sysctl -p
systemctl restart wg-quick@wg0.service
```
### SSH
When the SSH connection over wireguard is buggy try:
@ -21,7 +37,7 @@ ip li set mtu 1400 dev eth0
ip li set mtu 1400 dev wlo1
```
This can be connected to the [MTU](https://www.imperva.com/learn/application-security/what-is-mtu-mss/)
This can be connected to the [MTU](https://www.imperva.com/learn/application-security/what-is-mtu-mss/)
## Other
- https://golb.hplar.ch/2019/01/expose-server-vpn.html