New answers tagged iptables
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You are using an experimental kernel and presumably firmware, probably from running rpi-update. There are outstanding issues with the 4.19 kernel.
"In normal circumstances there is NEVER a need to run rpi-update as it always gets you to the leading edge firmware and kernel and because that may be a testing version it could leave your RPi unbootable". ...
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Okay, thank you very much for your time. This proved to be causing me more problems than it was worth and I managed to find an old USB WiFi dongle lying around so have set that up instead. If I had the knowledge of iptables I am sure your answer would've worked however, I find it very confusing :-(.
Just to clarify a few things, this setup is temporary for ...
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This is not specific to the PI.
Use this command:
iptables -t nat -A PREROUTING -p tcp -d 192.168.2.93 --dport 19132 -j DNAT --to 192.168.1.101:19132
Replace tcp with udp if you need UDP.
The options -d and --dport specify the original destination host and port. DNAT means destination NAT, you want a different destination. --to sprcifies that destination....
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Your process is listening on IPv6 address ::1 (that's the IPv6 equivalent of IPv4 127.0.0.1 (aka localhost)).
You need it to listen on :: (which is IP6ADDR_ANY as that's the IPv6 equivalent of IPv4 INADDR_ANY (0.0.0.0)).
Don't use nc -l localhost 5001
If you want to connect from any other machine on your LAN. Use nc -l -p 5001 or nc -l -6 -p 5001 or nc -...
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Because we have access to the router I will use clean routing, not using NAT. This way we have control about communication in both directions and can use advanced routing if needed.
You have a working environment with a running VPN tunnel. So I will focus on routing and only link to setups that I need to build my test environment. I always use Raspbian/...
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