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MySQL Port Question
Posted on 2012-12-29
If I have a back end server with a MYSql database and then a front end server with a php application, which ports do I open to configure communication between the two servers? Just 3306, or should there be others?
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4 Comments
When you install MySQL, it automatically chooses a port. You should keep the one it configures while installing.
To communicate witch MySQL server you need to open only port 3306 (default). For security reasons allow MySQL server access from your web server only.
It's almost always 3306. There may be others for clusters, etc. This (slow to load) document has a canonical list:
http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml
http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml
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