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 ...

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 ...

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, ...

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 ...

NETSTAT base parameters can help you troubleshoot TCP/IP problems Your email has been sent Tracing TCP/IP connectivity problems on a system can be very time-consuming, considering the many connections ...

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 ...

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 ...

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 ...

Security practitioners for decades have advised people to limit DNS queries against their DNS servers to only use UDP port 53. The reality is that DNS queries can also use TCP port 53 if UDP port 53 ...

Using UDP packets in an IP network. UDP does not guarantee reliable delivery, whereas TCP does. See UDP. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.