In reference to the BIND 9.x Security Alert (http://isc.sans.org/diary.html?storyid=5641), TSO will patch the DNS servers glyptal.cc.gatech.edu and teleporter.cc.gatech.edu at 5:00 PM, Tuesday, January 13, 2009. These are redundant systems, so no productions services or users should be impacted by this maintenance, which is expected to be complete by 11:00 PM, January 13.