A simple VPN client built in Go
$ git clone https://github.com/pchchv/govpn
$ bash scripts/build.sh
sudo ./main -S -l=:3001 -c=172.16.0.1/24 -k=123456
sudo ./main -l=:3000 -s=server-addr:3001 -c=172.16.0.10/24 -k=123456
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Add TLS for websocket, reverse proxy server (3001) via nginx/caddy(443)
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Enable IP forwarding on the server
sudo echo 1 > /proc/sys/net/ipv4/ip_forward
sudo sysctl -p
sudo iptables -t nat -A POSTROUTING -s 172.16.0.0/24 -o ens3 -j MASQUERADE
sudo apt-get install iptables-persistent
sudo iptables-save > /etc/iptables/rules.v4
-S server mode
-c string
vpn interface CIDR (default "172.16.0.1/24")
-k string
encryption key (default "S#Q#FBSDAE#%!@#!@#%!NDADSA")
-p string
protocol ws/wss/udp (default "wss")
-l string
local address (default "0.0.0.0:3000")
-s string
server address (default "0.0.0.0:3001")