What is Apache KeepAlive?

What is Keep-Alive used for?

A keepalive (KA) is a message sent by one device to another to check that the link between the two is operating, or to prevent the link from being broken.

What is an Apache server used for?

As a Web server, Apache is responsible for accepting directory (HTTP) requests from Internet users and sending them their desired information in the form of files and Web pages. Much of the Web’s software and code is designed to work along with Apache’s features.

How do I enable Apache Keep-Alive?

Here’s how to enable Keep Alive in Apache in CentOS/Ubuntu.

This improves website speed and performance by saving a lot of time.

  1. Open Apache Config File. …
  2. Enable Keep Alive in Apache. …
  3. Restart Apache Server. …
  4. How to Know If Keep-Alive is Enabled.

How do I disable Apache Keep-Alive?

Configure Apache KeepAlive settings

conf and is located in /etc/httpd/conf. The following settings are noteworthy: KeepAlive: Switches KeepAlive on or off. Put in “KeepAlive on” to turn it on and “KeepAlive off” to turn it off.

What is keepalive service?

A keepalive is a signal sent from one device to another to maintain a connection between the two devices. … Keepalives are used in network environments to maintain an open communication pathway, or to regularly check the status of a connection to a remote device.

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How do you use keepalive?

Use “KeepAlive On” to enable it. To disable, just use “KeepAlive Off”. It sets the maximum number of requests for every Keep-Alive connection. A value of 100 is normally good enough for almost any scenario.

Why do we need Apache?

Apache functions as a way to communicate over networks from client to server using the TCP/IP protocol. Apache can be used for a wide variety of protocols, but the most common is HTTP/S.

Does Google use Apache?

Google Web Server (GWS) is proprietary web server software that Google uses for its web infrastructure. In May, 2015, GWS was ranked as the fourth most popular web server on the internet after Apache, nginx and Microsoft IIS, powering an estimated 7.95% of active websites. …

How does Apache server work?

The Apache server is set up to run through configuration files, in which directives are added to control its behavior. In its idle state, Apache listens to the IP addresses identified in its config file (HTTPd. conf). … The browser then connects to a DNS server, which translates the domain names to their IP addresses.

How do I know if Keep-Alive 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.

What is Keep-Alive timeout?

The keep alive timeout on the Message Processor allows a single TCP connection to send and receive multiple HTTP requests/responses from/to the backend server, instead of opening a new connection for every request/response pair.

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How do I disable Keep-Alive?

Change the Keep-Alive settings. To disable Keep-Alive: Deselect Enable Keepalives and clickSave. With Keep-Alive disabled,Duration andHTTPS Duration are not used.