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iPrism Knowledgebase June 22, 2010 IP0330.htm
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iPrism Knowledgebase June 22, 2010 IP0330.htm
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Host-to-IP Anti-Spoofing can now be configured to use both the Filter List database (iGuard) and DNS servers to provide improved Anti-Spoof protection. Anti-Spoofing may also be disabled if desired. For a complete discussion of Host-to-IP Anti-Spoofing, see:
How do I use Host-to-IP Anti-Spoofing in iPrism?
The option "Check iGuard database and DNS" checks the IP address being requested against the iPrism's internal database. If it's not there, a reverse DNS lookup is performed on the IP address to make sure that the requested host name and the IP address are consistent.