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Your NAS has a second Ethernet port—6 reasons you actually need to use it

That second Ethernet port on your NAS isn't just redundancy—it's a security upgrade ...
Computerworld

Finding out what’s flowing over port 80 on your network

The history of TCP port 80 started a long time ago when the IANA assigned TCP port 80 for HTTP activity and TCP port 443 for secure HTTP (HTTPS). HTTP was designed as a protocol to transport requests ...