Love your firewall - changing is too painful
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.
At IT World.
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