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Added hint for wireguard ssh bugs

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Kevin Veen-Birkenbach 2023-04-12 14:40:44 +02:00
parent fe347e1c77
commit 02f0b30758
1 changed files with 18 additions and 3 deletions
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19
roles/application-wireguard/README.md
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@ -1,7 +1,7 @@
# Role Native Wireguard # Role Native Wireguard
Manages wireguard on a client. Manages wireguard on a client.
### Create Client Keys ## Create Client Keys
```bash ```bash
wg_private_key="$(wg genkey)" wg_private_key="$(wg genkey)"
wg_public_key="$(echo "$wg_private_key" | wg pubkey)" wg_public_key="$(echo "$wg_private_key" | wg pubkey)"
@ -10,7 +10,20 @@ Manages wireguard on a client.
echo "PresharedKey: $(wg genpsk)" echo "PresharedKey: $(wg genpsk)"
``` ```
## See ## Debug
### SSH
When the SSH connection over wireguard is buggy try:
```bash
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/)
## Other
- https://golb.hplar.ch/2019/01/expose-server-vpn.html - https://golb.hplar.ch/2019/01/expose-server-vpn.html
- https://wiki.archlinux.org/index.php/WireGuard - https://wiki.archlinux.org/index.php/WireGuard
- https://wireguard.how/server/raspbian/ - https://wireguard.how/server/raspbian/
@ -20,3 +33,5 @@ Manages wireguard on a client.
- https://unix.stackexchange.com/questions/717172/why-is-ufw-blocking-acces-to-ssh-via-wireguard - https://unix.stackexchange.com/questions/717172/why-is-ufw-blocking-acces-to-ssh-via-wireguard
- https://forum.openwrt.org/t/cannot-ssh-to-clients-on-lan-when-accessing-router-via-wireguard-client/132709/3 - https://forum.openwrt.org/t/cannot-ssh-to-clients-on-lan-when-accessing-router-via-wireguard-client/132709/3
- https://serverfault.com/questions/1086297/wireguard-connection-dies-on-ubuntu-peer - https://serverfault.com/questions/1086297/wireguard-connection-dies-on-ubuntu-peer
- https://unix.stackexchange.com/questions/624987/ssh-fails-to-start-when-listenaddress-is-set-to-wireguard-vpn-ip
- https://serverfault.com/questions/210408/cannot-ssh-debug1-expecting-ssh2-msg-kex-dh-gex-reply