User Guide

2. Ports
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Server programs, when addressed via the network, need to be assigned to a certain
network port. This way, multiple server programs may run on one server machine. Every
service has a default port: The Apache web server typically uses port 80, the MySQL
database server utilises port 3306.!
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These ports are configurable. The default configuration for MAMP uses ports 8888 and
8889 . That way, the MAMP servers can run alongside other servers installed on your Mac.
Should ports 8888 and 8889 be in use by a different application, please change the values
accordingly.!
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The button Set Apache & MySQL ports to 80 & 3306 will set the ports to the value
commonly used on the internet. The button Set MAMP ports to default will reset the ports
for Apache and MySQL to 8888 and 8889.!
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If you want MAMP to be available via the Internet please make sure that the configured
ports are opened in your firewall.!
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