IP blacklist

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Revision as of 12:57, 17 October 2009 by imported>David MacQuigg (Add links, discussion of honeypots)
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An IP blacklist is a database or list of IP addresses that should be blocked from connecting to a protected system. These blacklists (aka blocklists, blackhole lists, or DNSBL's) are most commonly used by email receivers to screen out spam and other abusive emails flooding the Internet.

1. DNSBL is an acronym meaning a BlackList that is published in DNS, the Domain Name System.

Links

DNS Blacklist - WP article

Links to this page

Email authentication - The best IP blacklists use "honeypots" to detect new sources of abuse, and publish the source address within hours. Honeypots have addresses that are never used in a legitimate email, but are posted on various websites and other locations where criminals typically "harvest" addresses.

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