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tunnel

socat-tunnel​

ipv4 to ipv6 tunnel:
Ipv6 only home-addr (ex. DynDNS-Fritzbox ), tunnel over static server, to make it reachable over shitty configured ipv4-only-places. 

socat tunnel socat TCP4-LISTEN:6666,fork,su=nobody TCP6:[raspberrypiipv6]:6666

setup​

  • lets assume we install socat in /usr/bin/socat

  • we can make a systemd to autostart it: /usr/lib/systemd/system/socat-tunnel.service

[Unit]
Description=socat-tunnel
After=nginx.service

[Service]
ExecStart=/usr/bin/socat TCP4-LISTEN:6666,fork,su=nobody TCP6:pcname.12344536251.myfritz.net:8080

[Install]
WantedBy=multi-user.target


alternatives​