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+The RABL (pronounced "rabble") server is a statistical, machine-automated and
+up-to-the-second blackhole list server designed to monitor global network
+activity and make decisions based on network spread and infection rate -
+that is, abuse from an address which has been reported by a number of
+participating networks. This is in far contrast to how most other
+blacklists function, where fallable humans (many with political agendas) must
+process thousands of reports and make decisions - many times after the fact.
+The RABL is fully reactive to new threats and can block addresses within
+seconds of widespread infection - good to know in this world of drone PCs
+and stolen accounts. The RABL server blacklists addresses until they have
+cleared a minimum duration (an hour by default) without any additional
+reporting, making the appeals process as simple as "fix your junk". The RABL
+is designed to function via automated machine-learning spam filters, such as
+Bayesian filters. Each participating network is granted write authentication
+in the blackhole list, to prevent abuse. A client tool is also provided.
+
+The RABL client is the lookup and reporting component of the RABL. It is
+necessary for performing streaming connection lookups and writing to the RABL
+(assuming you have an account).
+
+WWW: http://www.nuclearelephant.com/projects/rabl/