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Why block client port 53?

Question by Network Technology · Oct 18, 2026

Why block client port 53?

Asked by Network Technology • Oct 18, 2026

Question from the article "MikroTik DNS Forwarders — how to speed up and secure DNS resolution".

Answers

Network Technology • Staff Oct 18, 2026 12:57
To force all DNS through the router’s cache/policies and prevent bypassing.

More in the article: https://ntg.bg/en/blog/mikrotik-dns-forwarders
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