An excellent feature has just been committed to OpenBSD-current : pfsync and now CARP. OpenBSD now adds high availability to security. In the meantime, the OpenBSD 3.4 CDs have begin to ship.
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Eugenia Loli
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You misreaded that. Pfsync has already been in OpenBSD 3.3
http://resin.csoft.net/cgi-bin/man.cgi?section=4&topic=pfsync
“History
The pfsync device first appeared in OpenBSD 3.3.
OpenBSD 3.3 November 29, 2002 1”
There’s some other interesting news at http://www.deadly.org
I’m wondering wether this will be a part of Free- or NetBSD? CARP doesn’t seem a PF feature.