HTTPS
Web traffic protected by TLS
Security: Port based policy is meaningless here; use hostname or application identification
TCP / UDP (QUIC) · Encrypted: Yes
Port
Port 443
Conventionally used by HTTPS. Port assignments are conventions, so confirm the actual listener before you write a rule around this number.
(QUIC) · TCP · UDPEncrypted: Yes
Protocols on this port
Where this port appears in the documentation
DNS
The Domain Name System is the distributed, hierarchical directory that resolves names to addresses and service records for nearly every other service.
VPNA virtual private network carries private traffic across untrusted networks inside an authenticated, encrypted tunnel.
HTTP & HTTPSThe request/response protocol of the web, and its TLS protected form, which now carries most enterprise application traffic.
Exposure guidance
Decide reachability from the identity of the caller, not from the port number. If the service on this port carries credentials or administrative control, restrict it to an administrative network, require strong authentication, and log every session that reaches it.
Nearby ports
In the knowledge graph
Open the interactive map centred on this entity to see everything it connects to and travel outwards from there.