u53314109

Re:Challenge HN: There's only one truly open port on this machine. Can... on Monday January 01, 2024 @02:21PM (#38834524)

Bringing the server down now, since nobody seems to actually care & I don't want to just waste server resources.

Re:Challenge HN: There's only one truly open port on this machine. Can... on Wednesday December 27, 2023 @07:28AM (#38781343)

I know it's not really a thing, but I do know that there are quite a few capable people that frequent the site and all of this is advanced enough that posting it to somewhere like r/hacking seemed pointless. What I came up with seemed really interesting to me, so I thought it could be interesting to someone else here, idk. I also didn't want to just reveal exactly what I did to not spoil the fun.

I also really wasn't looking for help on how to pentest, I think I'm pretty capable as is. The server has such an unusual firewall config though (even outside the 'all ports look open to a basic `nmap -sS`' stuff) that I thought it could be a nice learning experience for folks, or something.

That other account is an irl friend of mine.

Challenge HN: There's only one truly open port on this machine. Can you find it?

Posted by u53314109 on Tuesday December 26, 2023 @03:27PM
from the self-post dept.

Came up with some fun iptables rules for securing my servers and I'd like to test out how effective they are, so here's a challenge for you all!There's a VPS on 152.70.178.90 with a quite unique firewall configuration. Open to the internet are two services: an HTTP server on :80 for verifying my ownership of the machine, and... something else, somewhere. Your task is to find and connect to the...

( Read More... | 13 comments | 3 points | on HN )