20
C
HAPTER
1: I
NTRODUCTION
■
Teardrop — a DoS hacker tool which is widely available
on the Internet.
Figure 2
Internet Firewall DMZ Security Functions
The Internet Firewall uses stateful packet inspection to
determine if a data packet from the Internet is allowed
through to the private LAN. This is similar to algorithms
implemented in more costly firewalls commonly used in
large enterprises.
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