The Network Security. Org

A lack of industry standards and few migration tools means that moving from one brand of gateway firewall to another can be a daunting task that can take six months or more.

While shifting from one brand of any sort of network equipment to another can be trying, security experts say exchanging gateway firewalls is particularly challenging, the big problem being that vendors generally define access-control rules so differently that migrations need to be conducted largely on a manual basis.

So, many IT managers opt to stay with one brand of firewall simply because upgrading or going for rip-and-replace is too complicated. Techworld.com - Moving to a new firewall

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