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Common Ports#

We know this list is for now, so let's get to it:

Port Software/Use
53 Domain Name System (DNS); but it's actually used via UDP mostly
80 HyperText Transfer Protocol (HTTP); version 3 uses UDP via the QUIC protocol
123 Network Time Protocol (NTP); keeping your system clock in sync
443 HTTP Secure; a.k.a "the web" but encrypted/secure; v3 uses UDP via QUIC
1433/1434 Microsoft SQL Server
3389 Windows Terminal Server (RDP)