Understanding the FireWall-1 State Table# Security - 系统安全
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How Stateful is Stateful Inspection?
Understanding the FW-1 State Table
Lance Spitzner
Last Modified: 11 June, 2000
The intent of this paper is to help you understand how
FW-1's stateful inspection connections table works. This
table is how FW-1 maintains who is doing what and
what connections are allowed based on the rule base. The
paper is based on continued research I have done with the
latest version of FW-1, version 4.1. To help you
better understand your own FW-1 stateful inspection t
Understanding the FW-1 State Table
Lance Spitzner
Last Modified: 11 June, 2000
The intent of this paper is to help you understand how
FW-1's stateful inspection connections table works. This
table is how FW-1 maintains who is doing what and
what connections are allowed based on the rule base. The
paper is based on continued research I have done with the
latest version of FW-1, version 4.1. To help you
better understand your own FW-1 stateful inspection t