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eyex
Wireguard ddns ip check
#1
eyex
Just can't stay away
Just can't stay away


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#!/bin/bash

wgconf="wg0"
ddnshost="ddns.xlxz.org"
iptype="a" # ipv6 aaaa | ipv4 a

digIP=$(dig +short "$ddnshost" "$iptype" ) 

wgip=$(wg show "$wgconf" endpoints)
echo "wgip->  $wgip"

cip=$(echo "$wgip" | grep -E -o $digIP)

echo "cip-> $cip"
echo "digip-> $digIP"

     if [ "$wgip" == "" ];
     then
    echo "wg not run"
     elif [ "$digIP" != "$cip" ] 
     then
         echo "update ip"
      /usr/bin/wg-quick down "$wgconf"
      /usr/bin/wg-quick up  "$wgconf"
     else
        echo "not need update ip"
     fi

Posted on: 2021/5/26 9:33

Edited by eyex on 2021/5/26 16:21:43
Edited by eyex on 2021/5/29 12:34:23
Edited by eyex on 2021/5/29 12:38:42
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eyex
Re: Wireguard ddns ip check
#2
eyex
Just can't stay away
Just can't stay away


See User information
[Interface]
# Name = relay1.wg.example.com
Address = 192.0.2.1/24
ListenPort = 51820
PrivateKey = oJpRt2Oq27vIB5/UVb7BRqCwad2YMReQgH5tlxz8YmI=
DNS = 1.1.1.1,8.8.8.8
PostUp = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE; ip6tables -A FORWARD -i wg0  -j ACCEPT; ip6tables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE; ip6tables -D FORWARD -i wg0 -j ACCEPT; ip6tables -t nat -D POSTROUTING -o eth0 -j MASQUERADE

[Peer]
# Name = peer1.wg.example.com
PublicKey = I+hXRAJOG/UE2IQvIHsou2zTgkUyPve2pzvHTnd/2Gg=
AllowedIPs = 192.0.2.2/32

Posted on: 2022/1/22 11:30
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