Palo Alto Firewalling Overview

With the ever evolving security landscape, i thought it would be a good time to give an overview of one of the market leaders, in this case, Palo Alto and their single pass firewalls. Unlike the from the classic firewall model (port blocking, SNAT/DNAT rules) offered by other options such...Read more

VMware, find a VM’s MAC address via PowerCli

Issue: You have a few thousand VMs running on vCenter and need a quick way of finding a VMs particular MAC address. Resolution: Open PowerCLi and use Connect-Viserver to connect to the VC you are searching. Then run: Get-VM | Get-NetworkAdapter | Where-Object {$_.MacAddress -eq “00:50:56:01:07:65”} | Format-List -Property *...Read more

Windows, Network ping log to file

Issue: If you want to output the results of a continuous ping Resolution: Open the command prompt by going to Start > Run and typing cmd. Type C:\>ping nameofwebsite.com >> c:\Test.txt -t“. Your ping command should now be displayed and will log to the “test.txt” fileRead more

Windows, Network TCP/UP Stack

Issue: Problems on a Windows OS with networking and you’ve already tried the obvious troubleshooting. Resolution: Open up the command (dos) line and type the following Completely reset TCP/IP configuration and restore TCP/IP to its original state. The command takes effect after you restart your computer. netsh int ip reset...Read more

Windows, Network scan via CLI

Issue: You don’t have access rights to run/install a network scanning tool for an audit. Solution: Hop onto the command line and run the below command to output IP addresses from your specified range that respond. Open up CMD Type in ipconfig to find out what network you are on...Read more

VMware, NSX Version Overview

There are four general VMware NSX editions: Standard, Advanced, Enterprise & Remote Office/Branch Office. Overview: For larger companies with larger budgets, NSX Enterprise’s optimisation for multisite operation might be enticing, whereas for small to midsize organizations, NSX Standard’s smaller set of features might fit better. NSX Advanced offers a middle-ground...Read more

stop enabling telnet, use powershell

Issue: I still come across people enabling telnet on Windows Server OS’s to test for open port connections. This is bad practice and a bit of a hangover from the older IT crowd. (I’m including myself on that comment!) Resolution: Use Powershell to test for open ports using the below...Read more