Firewall Tutorial

Example 4

Filter Rule:

200.1.1.96

(Source IP Network Address)

 

 

 

 

255.255.255.240

(Source IP Mask)

 

 

 

 

Forward = No

(What happens on match)

 

 

 

Incoming packet has the source address of 200.1.1.104.

This rule does match and this packet will not be forwarded.

Example 5

Filter Rule:

200.1.1.96

(Source IP Network Address)

 

 

 

 

255.255.255.255

(Source IP Mask)

 

 

 

 

Forward = No

(What happens on match)

 

 

 

Incoming packet has the source address of 200.1.1.96.

This rule does match and this packet will not be forwarded. This rule masks off a single IP address.

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