By default Artica install the Apache web service on 91 service port.
If you wan to change it to an another port (eg: 80)
- Click on "Manage Your server" On the top menu.
- Select "Security" on the left pan.
- Click on Externals ports list on the right pan.
- You can see and modify ports used to provide network services.
- Select the Apache Groupware Engine row and change it to the desired port.
