Attempts to bring up pfSense in Leopard's Safari send the processor utilization through the roof (as seen in the RRD graph in Firefox which appears to have no issues). Top (via ssh) shows the php process eating up the cpu. The page never shows in Safari.
pfSense 1.2-RC2 built on Fri Aug 17 18:16:53 EDT 2007 Safari Version 3.0.4 (5523.10) - John
