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Killing host connection
Post 49170 by Perderabo on Friday 26th of March 2004 07:40:38 PM
03-26-2004
Quote:
Originally posted by druuna
True.
But am I incorrect by stating that the connection is no longer active and the 'closing negotiations' are sent. Killing a connection in FINWAIT2 state seems pointless (to me, that is
).
True.
But am I incorrect by stating that the connection is no longer active and the 'closing negotiations' are sent. Killing a connection in FINWAIT2 state seems pointless (to me, that is
). 
People write servers that connect to pc's. The pc's are powered off. Then someone wants to kill and restart the server. Because connections are in FINWAIT2, the bind fails.
To get into this state they had to:
1. bypass inetd so that one global bind() is not performed at startup.
2. connect to clients that fail to do a proper shutdown.
3. write goofy code so that the server needs to be restarted
4. forget to set SO_REUSEADDR which would instruct the kernel to ignore the FINWAIT2 connections during a bind()
Believe or not, this happens all the time. Go figure. Many OS's will now time out FINWAIT2 connections which is not good. Other OS's have a way to manually close a FINWAIT2 connection. This is what I think the OP wants.
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delete-connection-group
asadmin-delete-connection-group(1AS) User Commands asadmin-delete-connection-group(1AS) NAME
delete-connection--group - deletes the connection group SYNOPSIS
delete-connection-group --user user_name --password password --host hostname --port admin_port_number --instance instance_name --httplistener http_listener_ID connection_group_ID Deletes the connection group for the named connection group ID associated with the named server instance.. OPTIONS
--user identifies the user name associated with the named instance. --password identifies the password associated with the user name. --host identifies the host name for the machine. --port identifies the administrator port number associated with the hostname. --instance identifies the name of the instance associated with the JVM option to be created. --httplistener a unique identifier for the HTTP listener. connection_group_ID a unique identifier for the connection group. asadmin% delete-connection-group INTERFACE EQUIVALENT
unknown asadmin-create-connection-group(1AS) asadmin-list-connection-groups(1AS) J2EE 1.4 SDK March 2004 asadmin-delete-connection-group(1AS)