kjuulh/wireguard-setup
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"%i-iface" -> "default-iface"

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Héctor Molinero Fernández 2020-03-02 20:51:38 +01:00
parent 6ecde5d273
commit 3c5f8fa713
1 changed files with 13 additions and 13 deletions
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26
packer/rootfs/etc/wireguard/wg0.conf
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@ -13,22 +13,22 @@ PostUp = grep -Fxq 1 /proc/sys/net/ipv4/ip_forward || printf 1 > /p
PostUp = grep -Fxq 1 /proc/sys/net/ipv6/conf/all/forwarding || printf 1 > /proc/sys/net/ipv6/conf/all/forwarding
PostUp = grep -Fxq 1 /proc/sys/net/ipv6/conf/default/forwarding || printf 1 > /proc/sys/net/ipv6/conf/default/forwarding
# Store the internet-facing interface in a file for later use
PostUp = ip route show default | awk '/^default/{print $5}' > '/etc/wireguard/%i-iface'
PostUp = ip route show default | awk '/^default/{print $5}' > /etc/wireguard/default-iface
# Allow access WireGuard via port 51820/UDP on the internet-facing interface
PostUp = iptables -A INPUT -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 51820 -j ACCEPT
PostUp = ip6tables -A INPUT -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 51820 -j ACCEPT
PostDown = iptables -D INPUT -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 51820 -j ACCEPT
PostDown = ip6tables -D INPUT -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 51820 -j ACCEPT
PostUp = iptables -A INPUT -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 51820 -j ACCEPT
PostUp = ip6tables -A INPUT -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 51820 -j ACCEPT
PostDown = iptables -D INPUT -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 51820 -j ACCEPT
PostDown = ip6tables -D INPUT -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 51820 -j ACCEPT
# Allow access WireGuard via port 53/UDP on the internet-facing interface (to circumvent some firewalls)
PostUp = iptables -t nat -A PREROUTING -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 53 -j REDIRECT --to-port 51820
PostUp = ip6tables -t nat -A PREROUTING -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 53 -j REDIRECT --to-port 51820
PostDown = iptables -t nat -D PREROUTING -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 53 -j REDIRECT --to-port 51820
PostDown = ip6tables -t nat -D PREROUTING -i "$(cat '/etc/wireguard/%i-iface')" -p udp --dport 53 -j REDIRECT --to-port 51820
PostUp = iptables -t nat -A PREROUTING -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 53 -j REDIRECT --to-port 51820
PostUp = ip6tables -t nat -A PREROUTING -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 53 -j REDIRECT --to-port 51820
PostDown = iptables -t nat -D PREROUTING -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 53 -j REDIRECT --to-port 51820
PostDown = ip6tables -t nat -D PREROUTING -i "$(cat /etc/wireguard/default-iface)" -p udp --dport 53 -j REDIRECT --to-port 51820
# Allow packet forwarding on the WireGuard interface
PostUp = iptables -A FORWARD -i '%i' -j ACCEPT && iptables -t nat -A POSTROUTING -o "$(cat '/etc/wireguard/%i-iface')" -j MASQUERADE
PostUp = ip6tables -A FORWARD -i '%i' -j ACCEPT && ip6tables -t nat -A POSTROUTING -o "$(cat '/etc/wireguard/%i-iface')" -j MASQUERADE
PostDown = iptables -D FORWARD -i '%i' -j ACCEPT && iptables -t nat -D POSTROUTING -o "$(cat '/etc/wireguard/%i-iface')" -j MASQUERADE
PostDown = ip6tables -D FORWARD -i '%i' -j ACCEPT && ip6tables -t nat -D POSTROUTING -o "$(cat '/etc/wireguard/%i-iface')" -j MASQUERADE
PostUp = iptables -A FORWARD -i '%i' -j ACCEPT && iptables -t nat -A POSTROUTING -o "$(cat /etc/wireguard/default-iface)" -j MASQUERADE
PostUp = ip6tables -A FORWARD -i '%i' -j ACCEPT && ip6tables -t nat -A POSTROUTING -o "$(cat /etc/wireguard/default-iface)" -j MASQUERADE
PostDown = iptables -D FORWARD -i '%i' -j ACCEPT && iptables -t nat -D POSTROUTING -o "$(cat /etc/wireguard/default-iface)" -j MASQUERADE
PostDown = ip6tables -D FORWARD -i '%i' -j ACCEPT && ip6tables -t nat -D POSTROUTING -o "$(cat /etc/wireguard/default-iface)" -j MASQUERADE
# Allow access to the local DNS server on the WireGuard interface
PostUp = iptables -A INPUT -i '%i' -p tcp --dport 53 -j ACCEPT && iptables -A INPUT -i '%i' -p udp --dport 53 -j ACCEPT
PostUp = ip6tables -A INPUT -i '%i' -p tcp --dport 53 -j ACCEPT && ip6tables -A INPUT -i '%i' -p udp --dport 53 -j ACCEPT