COMMAND LINE FOR MAC LOCALHOST IP HOW TO
COMMAND LINE FOR MAC LOCALHOST IP WINDOWS

TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. TCP enables two hosts to establish a connection and exchange streams of data. TCP (Transmission Control Protocol) is the most commonly used protocol on the Internet and any TCP/IP network. Linux requires root on operations for well-known ports below 1024. NOTE: All options are shown by this command:Дrag your Terminal window wider to remove word-wrap.Д¬OMMAND PID USER FD TYPE DEVICE SIZE NODE NAME Piping to grep filters out only lines containing вЂњLISTENвЂќ. This is because the command already takes several seconds to run. вЂњ-nPвЂќ is a combination of вЂњnвЂќ for no resolution of IPs to hostnames using DNSДЄnd вЂњPвЂќ for no resolution of Port names from numbers. Without any options specifications, lsof lists all open files belonging to all active processes. вЂњlsofвЂќ is a contraction for вЂњlist open filesвЂќ. PROTIP: If youвЂ™ll be using this often, create an alias such as of. In a Terminal command line: lsof -nP +c 15 | grep LISTEN Type the name of utilities that are buried, such asД¬lick the keyboard return/enter key to launch the Network Utility app.Д®nter the IP (such as 127.0.0.1), localhost, or domain nameД¬hoose scan to see what ports the server responds to. Spotlight on Network Utility to List PortsДЄppleвЂ™s macOS Spotlight is like WindowвЂ™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 itвЂ™s in IP transport layer

TLSДЎ43/993 = 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.

COMMAND LINE FOR MAC LOCALHOST IP WINDOWS

See My notes on Windows RDP.Дў1/990 = FTP and FTPS which adds SSL & TLS to encryptДЈ389 = RDP (Remote Desktop Protocol) from Microsoft Port 3389 is used for communicating with MicrosoftвЂ™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.

COMMAND LINE FOR MAC LOCALHOST IP HOW TO

Here is how to see what ports are open listening on a server.

Spotlight on Network Utility to List Ports.

Command line for mac localhost ip