org.apache.log4j.net
Interfaces 
AddressBased
NetworkBased
PortBased
SocketNodeEventListener
Classes 
JMSAppender
JMSReceiver
JMSReceiverBeanInfo
JMSSink
MulticastAppender
MulticastReceiver
MulticastReceiverBeanInfo
SimpleSocketServer
SMTPAppender
SocketAppender
SocketHubAppender
SocketHubReceiver
SocketHubReceiverBeanInfo
SocketNode
SocketReceiver
SocketReceiver.SocketDetail
SocketServer
SyslogAppender
TelnetAppender
UDPAppender
UDPReceiver
XMLSocketNode
XMLSocketReceiver