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NAT problem #60

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raszia opened this issue Apr 30, 2023 · 0 comments
Open

NAT problem #60

raszia opened this issue Apr 30, 2023 · 0 comments

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@raszia
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raszia commented Apr 30, 2023 •
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I found an issue with the NAT logic in your code. If the source IP address of a packet is changed to the IP address of the front router itself, the router will not perform NAT because the incoming packet is not from local network. As a result, the packet will not be correctly translated.

i have tested this with different routers and didn't work

sudo python3 engine.py --sender-ip myLocalIP --forward-ip destIP --routing-ip myPublicIpOnRouter --server-port 1289 --strategy "[TCP:flags:A]-duplicate(duplicate(duplicate,duplicate),duplicate(duplicate,duplicate(duplicate(duplicate,),)))-|" --log debug
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@raszia