MacTechNotes

Friday, September 16, 2005

ssh slowdown after 2005-007 update

To anyone who's noticed an odd slowdown in ssh since the 2005-007 security update on 10.4.x, and you've seen gssapi-with-mic in a verbose use of ssh, your problem may be that you don't need the GSSAPI authentication stuff enabled.

To test this theory, try running ssh -o GSSAPIAuthentication=no hostname to see if things work faster. If so, you can add the line


GSSAPIAuthentication no


to your ~/.ssh/config file. If you don't yet have one, create it with the following lines:


Host *
GSSAPIAuthentication no


so that the GSSAPI setting applies to all hosts.

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