settings.xml

<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">

    <mirrors>
        <mirror>
            <id>central</id>
            <url>https://repo1.maven.org/maven2/</url>
            <mirrorOf>central</mirrorOf>
        </mirror>

        <!--
        see https://topitanswers.com/post/how-to-disable-maven-blocking-external-http-repositories
        -->
        <mirror>
            <id>maven-default-http-blocker</id>
            <mirrorOf>dummy</mirrorOf>
            <name>Dummy mirror to override default blocking mirror that blocks http</name>
            <url>http://0.0.0.0/</url>
        </mirror>
    </mirrors>

</settings>