opnsense-ports/dns/p5-Net-RBLClient/pkg-descr
Franco Fichtner 8cb1a96ede ports: pull in a snapshot of the FreeBSD ports tree
Taken from:	https://github.com/freebsd/freebsd-ports.git
Commit id:	5070672073b68be364139bc6b3a89100bd17d331
2014-11-09 14:03:21 +01:00

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This module is used to discover what RBL's are listing a particular IP address.
It parallelizes requests for fast response.
An RBL, or Realtime Blackhole List, is a list of IP addresses meeting some
criteria such as involvement in Unsolicited Bulk Email. Each RBL has its own
criteria for addition and removal of addresses. If you want to block email or
other traffic to/from your network based on one or more RBL's, you should
carefully study the behavior of those RBL's before and during such blocking.
WWW: http://search.cpan.org/dist/Net-RBLClient/