Do you remember when we used multi-protocol routing for IPX, AppleTalk, and TCP/IP running on the same network? In the 1980s and early 1990s many enterprises had multiple protocols running on the ...
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 ...
The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...
Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...
Transmission Control Protocol (TCP) is the basic communication protocol of the Internet as well as many private networks throughout the world. Along with User Data Protocol (UDP), TCP represents the ...
HTTP/3 breaks from HTTP/2 by adopting the QUIC protocol over TCP. Here's a first look at the new standard and what it means for web developers. It’s no surprise that evolving the vast protocol ...
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 ...
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