> Discovery: Sep 20, 2026Shit, do we also have to tell them about IP-over-ICMP?<a href="https://stuff.mit.edu/afs/sipb/user/golem/tmp/ptunnel-0.61.orig/web/" rel="nofollow">https://stuff.mit.edu/afs/sipb/user/golem/tmp/ptunnel-0.61.o...> Last updated: May 26. 2005gdb, OpenAI's president was at MIT circa then.
That seems like the sort of thing that would have had a lot of HN attention over the years, but I guess not:Ping Tunnel – Send TCP Traffic over ICMP (2011) - <a href="https://news.ycombinator.com/item?id=21009598">https://news.ycombinator.com/item?id=21009598 - Sept 2019 (1 comment)<a href="https://news.ycombinator.com/item?id=512416">https://news.ycombinator.com/item?id=512416 (March 2009)Ping Tunnel - Send TCP traffic over ICMP - <a href="https://news.ycombinator.com/item?id=90196">https://news.ycombinator.com/item?id=90196 - Dec 2007 (1 comment)
Seems like this requires operating a proxy somewhere. In TFA it seems like all they needed was a DNS client, but I'm not at all clear how that could work. I'm definitely curious about the technique though.
fragmede · · focus · HN ↗
Shit, do we also have to tell them about IP-over-ICMP?
<a href="https://stuff.mit.edu/afs/sipb/user/golem/tmp/ptunnel-0.61.orig/web/" rel="nofollow">https://stuff.mit.edu/afs/sipb/user/golem/tmp/ptunnel-0.61.o...
> Last updated: May 26. 2005
gdb, OpenAI's president was at MIT circa then.
dang · · focus · HN ↗
Ping Tunnel – Send TCP Traffic over ICMP (2011) - <a href="https://news.ycombinator.com/item?id=21009598">https://news.ycombinator.com/item?id=21009598 - Sept 2019 (1 comment)
<a href="https://news.ycombinator.com/item?id=512416">https://news.ycombinator.com/item?id=512416 (March 2009)
Ping Tunnel - Send TCP traffic over ICMP - <a href="https://news.ycombinator.com/item?id=90196">https://news.ycombinator.com/item?id=90196 - Dec 2007 (1 comment)
itintheory · · focus · HN ↗