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Four basic types of firewall protection exist--network level, circuit level, application-level and stateful multilayer. Each type has advantages and disadvantages, ranging from ease of implementation ...

Im running WinXP, and every once and awhile "Application Layer Gateway Service" will try to connect to the internet. My firewall then stops this. What I want to know is what this is, and why it is ...

Reef Point Systems' multiservice security gateway for IP Multimedia Subsystem (IMS) networks handles multiple next-generation networking standards including 3GPP IMS, 3GPP2, ETSI TISPAN, and ...