ShipkaChalk/gist:629fdc42dad781776d2007fc502188f3

## gistfile1.md

      
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    Hey, here is how you can route all plex traffic via wireguard out of another VPS, this can be used for any container but was inspired by the recent Hetzner block Plex put in place.
And no not all of us are using it for nefarious means, sometimes people don't have room for a home server.
Why docker? I prefer it as it keeps items separated and cleaned. It also allows for quickly moving configurations around from server to server if need be.

Get yourself a VPS
Install docker
Create this docker-compose.yml

version: '3'
services:
  wireguard:
    image: linuxserver/wireguard
    container_name: wireguard
    cap_add:
      - NET_ADMIN
      - SYS_MODULE
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
      - SERVERURL=111.111.111.111 # Replace with your server's public domain or IP
      - SERVERPORT=51820
      - PEERS=plexServer # Replace with peer names, this is chosen by you. Do not use any special characters like _
      - PEERDNS=9.9.9.9
      - INTERNAL_SUBNET=10.13.13.0
      - LOG_CONFS=true
    ports:
      - "51820:51820/udp"
      - "32400:32400"
    volumes:
      - /root/wireguard/config:/config
    sysctls:
      - net.ipv4.conf.all.src_valid_mark=1
    restart: unless-stopped


Bring the docker container up once.
Stop the container
Update the main config wg0.conf so that under [Interface] but before [Peer] you include:
Update the --to-destination X.X.X.X to point to the Ip of the peer below.

[Interface]
Address = ...
etc...

PostUp = iptables -A FORWARD -i %i -j ACCEPT
PostUp = iptables -A FORWARD -o %i -j ACCEPT
PostUp = iptables -t nat -A POSTROUTING -o eth+ -j MASQUERADE
PostUp = iptables -t nat -A PREROUTING -p tcp --dport 32400 -j DNAT --to-destination 10.13.13.2 # IP Of peer below

PostDown = iptables -D FORWARD -i %i -j ACCEPT
PostDown = iptables -D FORWARD -o %i -j ACCEPT
PostDown = iptables -t nat -D POSTROUTING -o eth+ -j MASQUERADE
PostDown = iptables -t nat -A PREROUTING -p tcp --dport 32400 -j DNAT --to-destination 10.13.13.2 # IP Of peer below

[Peer]


Update the 10.13.13.2 in the above to be the IP of your peer_plexServer. This will forward port traffic from 32400 to that internal peer.
Visit /root/wireguard/config and find the .conf file for the plexServer peer.
Copy that information down.
Bring the container back up with docker cmpose up
You're done for the VPS!

On the hetzner server

Install docker
Create a directory to hold the goods, in the below I created /home/shipka/PlexWireguard
Create /home/shipka/PlexWireguard/wireguard-client/wg_confs/wg0.conf

This file will be what is generated by the VPS you just need to add in the PostUp, PreDown , PostUp  and PreDown
[Interface]
Address = 10.13.13.2
PrivateKey = 
ListenPort = 51820
DNS = 10.13.13.1

PostUp = iptables -t nat -A POSTROUTING -o wg+ -j MASQUERADE
PreDown = iptables -t nat -D POSTROUTING -o wg+ -j MASQUERADE
PostUp = FORWARDEDPORT=32400; iptables -A INPUT -i wg0 -p udp --dport $FORWARDEDPORT -j ACCEPT; iptables -A INPUT -i wg0 -p tcp --dport $FORWARDEDPORT -j ACCEPT;
PreDown = FORWARDEDPORT=32400; iptables -D INPUT -i wg0 -p udp --dport $FORWARDEDPORT -j ACCEPT; iptables -D INPUT -i wg0 -p tcp --dport $FORWARDEDPORT -j ACCEPT;

[Peer]
PublicKey = 
PresharedKey = 
Endpoint = END POINT OF VPS:51820
AllowedIPs = 0.0.0.0/0 # You might want to remove the  , ::/0 if you have issues using IPv6

Create the docker-compose.yml
Make sure your volumes in plex line up and the volumes for the wireguard line up.

services:
  wireguard:
    image: lscr.io/linuxserver/wireguard
    container_name: wireguard
    cap_add:
      - NET_ADMIN
      - SYS_MODULE
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
    volumes:
      - /home/shipka/PlexWireGuard/wireguard-client:/config
      - /lib/modules:/lib/modules
    sysctls:
      - net.ipv4.conf.all.src_valid_mark=1
    ports:
      - 32400:32400
    restart: unless-stopped

  plex:
    image: linuxserver/plex
    container_name: plex
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
      - VERSION=docker
      - PLEX_CLAIM= #lasts 4 minutes get from plex.tv/claim
    volumes:
      - /home/shipka/PlexWireGuard/config:/config
      - /data/tv:/tv
      - /data/downloaded:/movies
    network_mode: service:wireguard
    restart: unless-stopped

And that should be it! Bring it up with docker compose up and visit VPS:32400 and you’ll see your plex container. Finally make sure to manually specify port 32400 (Or which ever port you used in docker for plex) in the plex remote access settings.
Trouble Shooting

Follow the steps below in order, post a comment saying where you get to if it fails. ( Like 2.a ) 


exec into the containers on Hetzner.
docker exec -it plex /bin/bash


a. Do curl localhost:32400 you should see some html coming back. If it's not plex isn't up.
b. Do curl icanhazip.com to make sure it's returning the VPS ip. If it's not then your wireguard tunnel is not connected.
c. Do curl 8.8.8.8 this should return active pings. If it does not there is not internet connection at all.


Repeat this for
docker exec -it wireguard /bin/bash
a. Do curl localhost:32400 you should see some html coming back. If it's not then the plex container is not connected to the wireguard container.
b. Do curl icanhazip.com to make sure it's returning the VPS ip. If it's not then your wireguard tunnel is not connected.
c. Do curl 8.8.8.8 this should return active pings. If it does not there is not internet connection at all.


Then on the VPS
docker exec -it wireguard /bin/bash
a. curl icanhazip.com to make sure that wireguard container is reaching the outside world you should see the VPS ip.
b. Do curl 8.8.8.8 this should return active pings. If it does not there is not internet connection at all.
c. curl localhost:32400 you should see the plex html. If you don't then you need to make sure you've done the forward ports part on the Hetzner.


On the VPS
a. Outside of the docker instance, do wg show look to see if the peer has connected.
b. curl localhost:32400, you should see the plex html. If you don't then you need to forward the ports on the wg0.conf of the VPS.


On your home machine:
a. Visit VPS:32400 you should get to plex, if you do not then on the VPS it's self you need to open the ports or make sure ufw etc is not blocking them.