How do I enable keep alive in Windows?

Enabling TCP/IP KeepAlive on Windows

  1. Go to the MQ Services panel.
  2. Open the Queue Manager Properties.
  3. Select the TCP tab.
  4. Check the box for “KeepAlive”

How do you keep a socket connection alive?

The SO_KEEPALIVE option for a socket is disabled (set to FALSE) by default. When this socket option is enabled, the TCP stack sends keep-alive packets when no data or acknowledgement packets have been received for the connection within an interval. For more information on the keep-alive option, see section 4.2.

Is keep alive TCP?

HTTP keep-alive, a.k.a., HTTP persistent connection, is an instruction that allows a single TCP connection to remain open for multiple HTTP requests/responses. By default, HTTP connections close after each request.

How do I know if keepalive is enabled?

All modern browsers use persistent connections as long as the server has Keep-Alive enabled. In order to check if your pages are delivered with a Keep-Alive header, you can use the HTTP Header Checker tool. This will display the Connection: Keep-Alive field if the HTTP Keep-Alive header is enabled.

Is keepalive on by default?

The UNIX, Linux and Windows operating systems use a ‘keepalive’ setting to test idle TCP connections and ensure they are still active. By default, ‘keepalive’ is set to 7200000ms (2 hours).

How do I check my keepalive?

Two network utilities netstat and ss give the user the ability to see if keepalive’s are enabled. The ssh connection has keepalives on. The timer listed (5552.36) is in seconds. In the ss output the timer is shown in minutes.

How do I know if a TCP connection is alive?

Solution 1

  1. Generally, in your 4th step, if the connection is not alive, your send() will return an error.
  2. If you’ve opened the socket with a keep-alive option, TCP will automatically send a heartbeat message to monitor the connection and close it if it is not alive.

How long is TCP keep alive?

The TCP Keep-Alives, not to be confused with the HTTP Keep-Alive header, is a defined, optional TCP implementation in Request for Comments (RFC) 1122. The default is 1800 seconds. Note: For more information about TCP keep alive, refer to the Internet Engineering Task Force (RFC 1122).

What is Sol_socket?

SOL_SOCKET is the socket layer itself. It is used for options that are protocol independent.

How do you implement keep alive?

Keep-Alive is enabled by explicitly requesting it via HTTP header. If you don’t have access to your web server configuration file, you can add HTTP headers yourself by using . htaccess file.

How do you test to keep alive?