Apache – How to Redirect Port 8080

Apache2tomcat

I'm running a tomcat webserver on port 8080 behind a apache2, and want to redirect some ports.

For testing, I'm trying to redirect to an invalid location, as follows:

<VirtualHost *:80>
        ProxyPreserveHost On
        RequestHeader set X-Forwarded-Proto "http"

        ProxyPass / http://127.0.0.1/test80
        ProxyPassReverse / http://127.0.0.1/test80
</VirtualHost>

<VirtualHost *:8080>
        ProxyPreserveHost On
        RequestHeader set X-Forwarded-Proto "http"

       ProxyPass / http://127.0.0.1/test8080
        ProxyPassReverse / http://127.0.0.1/test8080
</VirtualHost>

Result:
The :80 redirect works as expected.
BUT accessing :8080 shows the tomcat manager starting page, instead of the redirect. Why?

Somehow it seems as if the apache2 could not take control of that port?

Best Answer

I guess there is no Listen 8080 option in your apache config files. Just adding the port to a VirtualHost is not enough.

check one of these files (based on your distribution) for Listen options and add one for port 8080:

# /etc/apache2/ports.conf     [On Debian/Ubuntu]
# /etc/httpd/conf/httpd.conf  [On RHEL/CentOS]

more info here: https://www.tecmint.com/change-apache-port-in-linux/

But as mentioned in the comments, you cannot have two services listening on the same port. You have to change the tomcat listening port for this to work.

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