By default Apache tomcat work on port 8080 and 8443, If we have requirement to use Apache tomcat on port 80 and 443 so in that case, We need to do some configure in server.xml and also we need to use authbind package to achieve this requirement.
In this post, We will configure Apache Tomcat port 8080 to port 80 using ubuntu 20.04 LTS
Step 1: Chnage the port number in server.xml
You need to use the following command to change port 8080 to port 80.
sudo vim <tomcat_home_directory>/conf/server.xml
You should get configuration like this.
<Connector port="8080" //Make change here
protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443"
/>After find the port configuration, You need to change port 8080 to 80.
<Connector port="80" // Change like this
protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443"
/>Save exit from your editor.
Step 2: Configure AuthBind Package
Use the following command to install authbind
sudo apt-get install authbind -y
Open server.xml config file and enable authbind
sudo vim server.xmlAdd the given syntax
AUTHBIND=yesSave and exit from the text editor.
Update the required permission
sudo touch /etc/authbind/byport/80
sudo chmod 500 /etc/authbind/byport/80
sudo chown tomcat8 /etc/authbind/byport/80
Step 3: Restart the Apache Tomcat service
To get new changes, We need to restart the Apache tomcat service by using following command.
sudo systemctl restart tomcat.serviceConclusion
We have successfully change the default port number with Apache Tomcat on Ubuntu 20.04 server.
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Where to put the "AUTHBIND=yes" in server.xml?
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