HPN-SSH
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
1warn against
Dec 6, 2025first mention
Sep 10, 2026latest mention
Why people recommend it
“Step one, run https://www.psc.edu/hpn-ssh-home/introduction/ instead”
“Maybe that will be useful for thinking about workarounds or maybe you can just use hpn-ssh.”
Show 1 more
“HPN-SSH[1] resolves this but isn't widely deployed.”
Caveats and dissent
“I'm not so sure about running an ssh fork on important systems.”
Often compared with
Threads where it came up
- High Performance SSH/SCP 2 mentions
- Show HN: Syq – copy files between machines fast (better than rsync) 1 mention
- 4x faster network file sync with rclone (vs rsync) (2025) 1 mention
- Why does SSH send 100 packets per keystroke? 1 mention
- It's Always TCP_NODELAY 1 mention
- Copy-Item is slower than File Explorer 1 mention
Also written as hpn-ssh. Data: hpn-ssh.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 7
“unless you're using the HPN-SSH fork”
“I'm not so sure about running an ssh fork on important systems.”
“Step one, run https://www.psc.edu/hpn-ssh-home/introduction/ instead”
“Maybe that will be useful for thinking about workarounds or maybe you can just use hpn-ssh.”
Yeah, my naive implementation thought experiment was oriented towards a side channel brokered by the ssh connection using nginx and curl. Something like source opens nginx to share a file and tells sink via ssh to curl the file from source with a particular cert. However, I observed that curl [0] uses openssl' quic implementation (for one of its experimental implementations). Another backend for curl is Quiche [1] wh
“the patch that "makes" it HPN-SSH is already present upstream”
“HPN-SSH[1] resolves this but isn't widely deployed.”