How to run GlassFish 4 Port Number 80 Instead of 8080 Is it Possible?
GlassFish 4 is running by default at port number 8080 as you want to run at port 80 we can change it.
Open your GlassFish administration interface with port : 4848 (by default).
Click on "Configurations" link on the left menu,
Then select the appropriate configuration, Click on "server-config"
Then click on "Network Config"
Then click on "Network Listeners"
Choose the appropriate listener, probably "http-listener-1"
By default port fixed 8080, Change the Port value to 80
Finally Save and retart your glassfish server according to your needs.