When using iptables to "REJECT" bridged network traffic under Scientific Linux 6.1, the kernel stack is corrupted, causing a kernel panic. I have submitted a more detailed bug report, complete with stack trace, in the Red Hat bugzilla since this problem would affect Red Hat as well, but I am unsure if this is the appropriate place to file the bug report: https://bugzilla.redhat.com/show_bug.cgi?id=770709 -- - Steve Hill Technical Director Opendium Limited http://www.opendium.com Direct contacts: Instant messager: xmpp:[log in to unmask] Email: [log in to unmask] Phone: sip:[log in to unmask] Sales / enquiries contacts: Email: [log in to unmask] Phone: +44-844-9791439 / sip:[log in to unmask] Support contacts: Email: [log in to unmask] Phone: +44-844-4844916 / sip:[log in to unmask]