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
SyslogConstants
TelnetAppender
UDPAppender
UDPReceiver
XMLSocketNode
XMLSocketReceiver