Add support for a wildcard DNS override

Description

Individual domains can be redirected to a specific handling host by use
of the DNS override property, dnsutil.dnsOverride

This patch allows a wildcard "*" entry to override all domains without
a specific override, for example:

dnsutil.dnsOverride = {*,127.0.0.1:5269}

... redirects all outgoing S2S traffic to port 5269 on localhost.

https://github.com/igniterealtime/Openfire/pull/630

Environment

None
Fixed

Assignee

Dave Cridland

Reporter

Daryl Herzmann

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Expected Effort

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Ignite Forum URL

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Components

Fix versions

Affects versions

Priority

Major
Configure