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Edit File: http3.xml
<?xml version="1.0" encoding="utf-8"?> <service> <short>WWW (HTTP/3)</short> <description>HTTP/3 is a protocol used to serve Web pages that uses QUIC as the transport protocol. If you plan to make your HTTP/3 compatible Web server publicly available, enable this option.</description> <port protocol="udp" port="443"/> </service>