D-Link DIR-615 - Manual (Page 65)

65 D-Link DIR-615 User Manual
Section 3 - Configuration
Internet Sessions
The Internet Sessions page displays full details of active Internet sessions through your router. An Internet session is
a conversation between a program or application on a LAN-side computer and a program or application on a WAN-
side computer.
Local:
NAT:
Internet:
Protocol:
State:
The IP address and, where appropriate, port
number of the local application.
The port number of the LAN-side application as
viewed by the WAN-side application.
The IP address and, where appropriate, port
number of the application on the Internet.
The communications protocol used for the
conversation.
State for sessions that use the TCP protocol:
NO: None -- This entry is used as a placeholder for a future connection that may occur.
SS: SYN Sent -- One of the systems is attempting to start a connection.
EST: Established -- the connection is passing data.
FW: FIN Wait -- The client system has requested that the connection be stopped.
CW: Close Wait -- The server system has requested that the connection be stopped.
TW: Time Wait -- Waiting for a short time while a connection that was in FIN Wait is fully closed.
LA: Last ACK -- Waiting for a short time while a connection that was in Close Wait is fully closed.
CL: Closed -- The connection is no longer active but the session is being tracked in case there are any retransmitted
packets still pending.
The direction of initiation of the conversation:
Out - Initiated from LAN to WAN.
In - Initiated from WAN to LAN.