User Manual
User Manual
User Manual
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Predefined rules for the ICMP traffic monitor<br />
Setting Rules<br />
Low -<br />
Reference: Configuration options<br />
Medium Do not discard ICMP based on IP address<br />
Allow ICMP packets from address 0.0.0.0 with mask 0.0.0.0.<br />
Don't log when packet matches rule.<br />
Advanced: Discard packets that have following bytes with mask<br />
at offset 0.<br />
High Same rule as for medium level.<br />
Allow/ Deny ICMP packets<br />
With a mouse click on the link you have the choice to allow or deny special defined<br />
incoming ICMP packets.<br />
IP address<br />
By clicking on this link with the mouse, a dialog box opens in which you can enter the<br />
required IPv4 address.<br />
IP mask<br />
By clicking on this link with the mouse, a dialog box opens in which you can enter the<br />
required IPv4 mask.<br />
Event database<br />
By clicking on the link with the mouse you can choose between "Log" and "Don't log"<br />
to the event database, if the packet complies with the rule.<br />
Advanced<br />
The advanced feature enables content filtering. For example packets can be rejected<br />
if they contain some specific data at a certain offset. If you do not want to use this<br />
option do not select a file or choose an empty file.<br />
Filtered content: bytes<br />
With a mouse click on the link a dialog box appears in which you can select a file that<br />
contains the specific buffer.<br />
Filtered content: mask<br />
With a mouse click on the link a dialog box appears in which you can select the<br />
specific mask.<br />
Avira Professional Security - <strong>User</strong> <strong>Manual</strong> (Status: 30 Mar. 2012) 133
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