“Application-wise network filtering is a controversial topic: in
Windows such frameworks are quite common (ZoneAlarm, Norton
Internet Security) and are the nightmare of every Help Desk.
Additionally they are designed to interact with the user who most
often has no idea–and they tend to spread fear among the users to
show how ‘effective’ they are while there is nothing to fear.“For Linux it was often mentioned that application-wise network
filters are not needed since Linux cannot be infected as easily as
Windows…”
Related Story:
ComputerWorld:
Fine-Tuned Security(Aug 09, 1999)