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: / proc / thread-self / root / usr / lib / firewalld / services /

Filename : dns-over-tls.xml

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<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>DNS over TLS</short>
  <description>DNS over TLS (DoT) is a security protocol for encrypting and wrapping Domain Name System (DNS) queries and answers via the Transport Layer Security (TLS) protocol</description>
  <port protocol="tcp" port="853"/>
</service>