Difference between revisions of "Blacklist"
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By blacklisting what is meant is that by policy everything is allowed with individual policies in place to deny someone. In [[IP]] firewalling one can use blacklisting to deny one or more IP's. In [[OpenBSD]]'s [[spamd]] a large list of Chinese and Korean IP blocks have been installed to blacklist these IP's without allowing them to be [[greylist|greylisted]]. In [[TCP Wrappers]] the blacklist is in /etc/hosts.deny. | By blacklisting what is meant is that by policy everything is allowed with individual policies in place to deny someone. In [[IP]] firewalling one can use blacklisting to deny one or more IP's. In [[OpenBSD]]'s [[spamd]] a large list of Chinese and Korean IP blocks have been installed to blacklist these IP's without allowing them to be [[greylist|greylisted]]. In [[TCP Wrappers]] the blacklist is in /etc/hosts.deny. | ||
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| + | In the [[Internet]] it rarely makes sense to blacklist since threats can come from everywhere, it's much easier to [[whitelist]] an organization and deny the rest. | ||
Revision as of 06:25, 27 April 2009
By blacklisting what is meant is that by policy everything is allowed with individual policies in place to deny someone. In IP firewalling one can use blacklisting to deny one or more IP's. In OpenBSD's spamd a large list of Chinese and Korean IP blocks have been installed to blacklist these IP's without allowing them to be greylisted. In TCP Wrappers the blacklist is in /etc/hosts.deny.
In the Internet it rarely makes sense to blacklist since threats can come from everywhere, it's much easier to whitelist an organization and deny the rest.
