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[Rui Bandarra, geändert vor 11 Jahren.]

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[David H Nebinger, geändert vor 11 Jahren.]

That's a mysql issue, not a Liferay issue.

In mysql, you can define that a login is only accepted from localhost, and that the login cannot be used from the outside.

[Hitoshi Ozawa, geändert vor 11 Jahren.]

You probably have to open up a port that mysql uses for administration and data on you ubuntu.

You really don't any knowledge of liferay nor j2ee to solve your problem. Skill set you need
is ubuntu firewall setting, mysql administration.