What is TCP/UDP port 27? I've looked it up in IANA's list of well-known ports and it came up as nsw-fe, or more appropriately, "NSW User System FE", but just what the hell is it? I've been told it was ...

Data packets travel to and from numbered network ports associated with particular IP addresses and endpoints, using the TCP or UDP transport layer protocols. All ports are potentially at risk of ...

See what process is using a TCP port in Windows Server 2008 Your email has been sent Windows administrators sometimes have to track down network traffic or errant processes and then match that to ...

Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

A number from 0 through 1023 used to identify a network service on a private IP network or the public Internet. Residing in a field in the TCP or UDP header, the port number directs packets to the ...

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

You've installed a VPN. It's not quite as fast as you'd like. You could switch to another service, but maybe there's a simple speedup trick you can try first. Open ...

After configuring the RPC connection settings, you can configure the RPC listener settings for incoming connections. For that, do the following: For your information, you can enforce Kerberos ...

I like to think of the transport layer as the layer of the OSI Model that enables more interesting traffic. While we network engineers may love a lot of the simpler uses of the IP protocol and ...

Nearly everyone uses FTP for one reason or another. The problem is, FTP is a messy protocol that needs a lot of help to secure it. Let Thomas Shinder enlighten you. The File Transfer Protocol (FTP) is ...