Mac os list ports in use6/19/2023 Spotlight on Network Utility to List PortsĪpple’s macOS Spotlight is like Window’s Search omni-box. 17 = UDP (User Datagram Protocol) used by VOIP.6 = TCP (Transmission Control Protocol).2 = IGMP (Internet Group Management Protocol) to estab.1 = ICMP (Internet Control Message Protocol).9411 = Zipkin Distributed Tracing Server.548 = AFP (Apple Filing Protocol) elim.445 = SMB (Server Message Block) from Azure Files.No port for ICMP RFC 792 Pings RFC 1122 as it’s in IP transport layer TLSġ43/993 = IMAP (Internet Message Access Protocol) files remain on server / TLS 110/995 = POP (post Office Protocol) clear text auth.25/465 = SMTP (Simple Mail Transfer Protocol) / TLS VIDEO.See My notes on Windows RDP.Ģ1/990 = FTP and FTPS which adds SSL & TLS to encryptģ389 = RDP (Remote Desktop Protocol) from Microsoft Port 3389 is used for communicating with Microsoft’s RDP (Remote Desktop Protocol) on Windows machines. PAT (Port Address Translation) maps ports.: ![]() Which consumes electricity and thus reduce battery life. ![]() Having ports listenting to outside traffic also takes CPU effort, ![]() This is perhaps the most important potential vulnerability. Here is how to see what ports are open listening on a server. Spotlight on Network Utility to List Ports.
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