BlackIce or ZoneAlarm Pro?

Blackhawk2

Senior member
May 1, 2000
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I need an efficient packet filter for an ICS server. Right now I'm using BlackIce but performance is spotty on a P200 64 meg EDO, so I've been looking at getting a license for ZoneAlarm Pro. Is ZoneAlarm Pro faster and/or uses less resources when filtering packets than BlackIce? Thanks.