Thursday, September 17, 2015

Firewall Rule - Implicit deny

The principle of implicit deny is used to deny all traffic that isn’t explicitly (or specifically) allowed or denied. In other words, if the type of traffic hasn’t been associated with a rule, the implicit deny rule will kick in, thus protecting the device.

Access control lists are used to filter packets and will include rules such as permit any or explicit denies to particular IP addresses..

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