ToolTip: Port Listener

Today I want to share with you a nice FREE tool I’ve just used recently while troubleshooting some networking issues on one of our customers network. The problem I had was that I couldn’t get my backend infrastructure talk to the client and vise versa. To keep this post generic I won’t use any products name, but both the backend and client that has an agent require that some ports are open in either one Read More …

ToolTip: Simple IP/IP Range Ping

I guess the name says it all, Simple IP/IP Range Ping is a small FREE standalone utility to scan an IP range. Simple IP/IP Range ping can be downloaded from here

ToolTip: Citrix Port Check (CtxPrtChk.exe)

Here’s a nice small and FREE utility from Citrix that allows you to test connectivity to a remote host on a specified port. In the example below I test if port 5900 (used for VNC) is open and listening. Download CtxPrtChk from here

The Argument against Disabling IPv6

Last Friday I met with some friends I used to work with in the past and we had some talk about Windows 7 and IPv6. One had mentioned that they would explicitly disable the IPv6 on the client systems, this because they would not use it and they wanted to avoid unnecessary network traffic on their LAN/WAN. Back home I did some searches on the internet and found the below statement in the Support for Read More …

ToolTip: SoftPerfect Network Scanner

Just found another nice FREE Utility. As the name says SoftPerfect Network Scanner allows you to scan your network and allows you to find any IP, NetBIOS or SNMP enabled devices. The tool also supports Remote WMI, Registry and Service access that can be customized to your own needs. The Tool does not require installation. Download SoftPerfect Network Scanner from here

Some thoughts on IPv6

About 3 years ago when Windows Vista was on the horizon there has been a lot of talk around IPv6. But since then, at least in the environment I work in, it has become quiet around this topic. On Wikipedia we can read that based on a study from Google, penetration is still less than one percent of Internet traffic in any country But nowadays we more often hear about the IPv4 Address exhaustion meaning Read More …

IPv4 vs IPv6 Song

In my next blog post i will address the IP version 6 topic, but let me first share this amusing video I found while I was collecting information around IPv6. It’s really worth listening. 

TCP/IP Registry values for Vista and Server 2008

Microsoft has updated the TCP/IP Registry Values for Microsoft Windows Vista and Windows Server 2008 whitepaper that describes how to modify the TCP/IP behavior by making registry edits. The document can be downloaded from here

TCP/IP Fundamentals for Windows

Need an update on TCP/IP ? then download this paper: