this post was submitted on 23 Apr 2025
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[Moved to !iiiiiiitttttttttttt@programming.dev, check pinned post.] iiiiiiitttttttttttt.

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you know the computer thing is it plugged in?

Moved to !iiiiiiitttttttttttt@programming.dev.

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[โ€“] emberpunk@lemmy.ml 30 points 2 months ago (1 children)

OK listen hear me out. Perfect opportunity for guests to learn how to ssh tunnel to port forward to their local device ๐Ÿ˜…

[โ€“] stembolts@programming.dev 18 points 2 months ago* (last edited 2 months ago) (1 children)

I'll save noobies some time.

for (( i=1; i<65536; i++ ));do  
  for (( j=1; j<256; i++ ));do  
    ssh -L $j$i:127.0.0.1:$i -N 192.168.1.$j &  
  done  
done  

What could go wrong?

Okay clearly this won't work because there aren't enough local ports to match to 16 bits of ports on potentially 255 machines, but with some slight modification I could add in a test to only increment the local port if the forward is successful and thereby create the dumbest-ass port forwarding script ever.

[โ€“] InnerScientist@lemmy.world 11 points 2 months ago (1 children)

ip a a 127.0.0.2/8 dev lo

You have a whole /8 subnet of localhost, do it.

[โ€“] stembolts@programming.dev 14 points 2 months ago* (last edited 2 months ago)

I like where your head is at.

We could also save some time just parsing something like..

nmap --top-ports 100 192.168.1.0/24 | grep -e "report" -e "open"  

We have the technology, we can be stupid.