What type of firewall works on the Session layer that creates a connection and allows packets to flow between
the two hosts without further checking?
A.
proxy server
B.
application firewall
C.
NAT filtering
D.
circuit-level gateway
Explanation:
Section Reference: Defining Firewalls and Other Perimeter Security Devices
A circuit-level gateway works at the Session layerof the OSI model when a TCP or UDP connection is
established. When the connection is made, packets can flow between hosts without further checking. Circuit-level gateways hide information about the private network, but they do not filter individual packets.
[url=http://www.ooobag.com/watch/chanel/38/86a035fcc76b1b1d.html]2015、都铎王朝の「導入」と都铎ゴース腕時計シリーズとブルーバージョンと新しい携帯電話。今年の大ニュースから都铎王朝でバーゼル2015内部機械運動の紹介。は都铎はロレックスに属して、それの運動は生産や組み立てて、完全に離れロレックスの人。[/url]
0
0