forrestv/p2pool — pull request #81 by varatada (2013-02-02 15:38:30+00:00)
Title: Abort timed out connections with abortConnection() 

Timed out connections are not always killed with transport.loseConnection().
Call transport.abortConnection() instead.

http://twistedmatrix.com/documents/12.2.0/core/howto/servers.html

This fixes the memory leaking issues.