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
See http://listserv.fnal.gov/scripts/wa.exe?A1=ind0608&L=macusers
A copy of OpenSSH 3.8.1p1 is available from http://security.fnal.gov/tools/OpenSSH_3.8.1p1_ppc.tar.gz 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.)