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by cheweh 2225 days ago
From knockknock:

> When you want to open a port from a client, you run 'knockknock', which sends a single SYN packet to the server. The packet's IP and TCP headers are encoded to represent an IND-CCA secure encrypted request to open a specified port from the source IP address.

https://moxie.org/software/knockknock/
1 comments
cutemonster 2225 days ago
That page links to a http insecure download script, weird. (Not https, no signature)

This link: wget http://www.thoughtcrime.org/software/knockknock/knockknock-0...

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Forbo 2225 days ago
Yeah, the documentation is dated. Not only does it point to an old version, but it would probably be best to get it from the GitHub page he links to. Even then, there are more active forks, so they may be worth checking out to see which would be best to get on board with.
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cutemonster 2224 days ago
Thanks, seems this is the (also outdated) repo: https://github.com/moxie0/knockknock

Yes I suppose one of the forks is better nowadays

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