[Bug 84899] Re: SSH with GSSAPIAuthentication option on SSH servers are very slow

[Helge]

I also just found some clues that it might be caused by reverse DNS:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=409360

Disabling mdns4 hosts lookup in /etc/nsswitch.conf indeed seems to fix
the problem, so I will probably settle with that workaround, keeping
GSSAPIAuthentication turned on.

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https://bugs.launchpad.net/bugs/84899

Title:
  SSH with GSSAPIAuthentication option on SSH servers are very slow

Status in Portable OpenSSH:
  New
Status in “openssh” package in Ubuntu:
  Confirmed
Status in “openssh” package in Debian:
  New

Bug description:
  Binary package hint: openssh-client

  In Feisty Fawn I noticed a very slow ssh connection to some local servers, the prompt login takes 5/6 seconds to appear.
  I solved this problem putting the option "GSSAPIAuthentication no" instead "yes" in the /etc/ssh/ssh_config file.

  SSH Version is 4.3p2-7ubuntu1

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