[Portable OpenSSH] hang up during login after OpenSSH 7.3 upgrade

[Darren Tucker]

On Wed, Aug 17, 2016 at 1:29 PM, Enrico Mioso <mrkiko.rs at gmail.com> wrote:
[....]
> debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
> <hangs here>

Smells like a path MTU black hole.  See
http://www.snailbook.com/faq/mtu-mismatch.auto.html for some
suggestions.

> But dbclient (from Dropbear) works instead with the same setup (and server),
> asking me the password as expected.

dbclient supports fewer algorithms and its network traffic is
correspondingly smaller, which makes it less likely to trip the
threshold (same for older opensshs).

-- 
Darren Tucker (dtucker at zip.com.au)
GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860  37F4 9357 ECEF 11EA A6FA (new)
    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.