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Editorial Team
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Asked: 2026-06-01T15:10:38+00:00

We have Tomcat application server set up at port 8080 and Apache Http Server

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We have Tomcat application server set up at port 8080 and Apache Http Server at port 80.
httpd redirects all traffic on port 80 to port 8080.

I am looking at the tomcat server console for our site and I see several requests on port 8009. These requests stay alive for as long as 100 to 150 seconds.

We aren’t making any requests to that port. Where then are these requests coming from? Why don’t they finish?

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1 Answer

  1. Editorial Team

    8009 is the port commonly used by AJP.

    The Apache JServ Protocol (AJP) is a binary protocol that can proxy
    inbound requests from a web server through to an application server
    that sits behind the web server.

    Here’s more info on AJP and its usage/configuration within Tomcat.

    The AJP Connector element represents a Connector component that
    communicates with a web connector via the AJP protocol. This is used
    for cases where you wish to invisibly integrate Tomcat 5 into an
    existing (or new) Apache installation, and you want Apache to handle
    the static content contained in the web application, and/or utilize
    Apache’s SSL processing.

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