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 ...

iptables -A firewall-output -p udp -m state --state NEW -m udp --dport 6666 -j ACCEPT </pre><BR><BR>With them (along with others) I can use netcat to do basic communication over UDP. However, when I ...

The transport layer protocols provide connection oriented sessions and reliable data delivery services. This paper seeks to reflect a comparative analysis between the two transport layer protocols, ...

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 ...

I am currently using OpenSuse 11.2's implementation of IP tables as a NAT router, and for the most part it works well. I maintain a client/server application that communicates over TCP port 15527 for ...

Woodcliff Lake, NJ, December 15, 2011 — A new core from semiconductor intellectual property (IP) provider CAST, Inc. the UDPIP, provides an extremely competitive hardware implementation of the User ...

Everyone knows that the “standard” Internet protocol is TCP/IP. However, many don't know that the network stack commonly called “TCP/IP” also includes many other protocols, including IP, TCP, UDP, and ...

PortExpert is a free application that can give very useful information about all TCP, UDP communications connected to the system and is hence useful to identify potential threats. These days we are ...

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 ...

Terms can sometimes play tricks on the mind. Take EtherNet/IP, for example. Many people will read “IP” as internet protocol and think that EtherNet/IP refers to plain old, standard industrial Ethernet ...