What does port 49152 through 65535 do?

What does port 49152 through 65535 do?

Dynamic/Private : 49152 through 65535. TCP ports use the Transmission Control Protocol, the most commonly used protocol on the Internet and any TCP/IP network. TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent.

Can you use SMTP port 465 With STARTTLS?

Later on in early 1997, the IANA registered 465 for SMTPS. It was initially planned for the SMTPS encryption and authentication “wrapper” over SMTP. But the end of 1998, this was revoked in favor of STARTTLS over SMTP (RFC 3207). With STARTTLS, this port can be used with or without TLS.

Can you use port 587 instead of port 25?

Almost all mail servers support this port. In fact, Port 587 is the one recommended for mail submissions instead of port 25 as per RFC 2476. But even if the mail server supports it, it may or may not be open for mail submissions. For that, you need to check with your administrator or with your hosting service provider.

What are ports 445 and 139 used for?

Ports 445 and 139 Explained The Server Message Block Protocol (SMB Protocol) is a client-server communication protocol used for sharing access to files, printers, serial ports, and data on a network. It can also carry transaction protocols for authenticated inter-process communication.

What kind of worm uses port 1433 / UDP?

Uses port 1433/tcp. W32.Kelvir.R [ Symantec-2005-041214-1218-99] (2005.04.12) – worm that spreads through MSN messenger and drops a variant of W32.Spybot.Worm. It spreads using several known MS vulnerabilities, including MS security Bulletin [ MS02-061] Microsoft SQL Server 2000 or MSDE 2000 audit using port 1434/udp.

What does port 445 do on a computer?

It’s a transport layer protocol designed to use in Windows operating systems over a network. Port 445 is used by newer versions of SMB (after Windows 2000) on top of a TCP stack, allowing SMB to communicate over the Internet. This also means you can use IP addresses in order to use SMB like file sharing.