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OSX 10.4.7 August Security Update

This update includes a new version of SSH (OpenSSH 4.2) which uses a new mechanism for doing Kerberos authentication. The new version fixes a weakness in the old version. Unfortunately, the two mechanisms don't inter-operate and there is no backwards compatibilty provided. This means that the update breaks using Kerberos/SSH to most all FNAL machines and MSUHEP machines. Note that telnet will still work to FNAL (not allowed to MSUHEP machines). June 2007 - a new version of OpenSSH server that


A copy of OpenSSH 3.8.1p1 is available from You can download that tarball, and copy the files frim bin to /usr/bin on your mac. (You may wish to preserve the existing files on your mac first.)

sudo cp OpenSSH_3.8.1p1/bin/* /usr/bin 

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-- TomRockwell - 25 May 2006
Topic revision: r21 - 16 Oct 2009, TomRockwell
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