Excel Formulas Really, formulas that could be used in any Excel or Google Sheets Conditional Formulas Compare info between two columns (unsorted) and highlight duplicates =COUNTIF($B:$B,A1)>...

How to Upgrade PanOS Devices Process for upgrading Palo Alto Panorama and NGFW devices. For the NGFW devices, this is written for HA pairs, but its the same process for single/stand-alone devices....

I recently needed to rebuild my Eve-NG server - I built a lab, with a Palo Alto firewall. I forgot to turn it off and the traffic log data filled up my disk. I couldn’t log into Eve-NG to turn the ...

These are some useful Windows Event Viewer IDs, you can use for searching specific events. Event ID Description 4624 A user account has logged on ...

Upgrading Network Gear As part of routine maintenance, its a good idea to keep the software/firmware on your network gear updated. Reasons include feature update/releases, bug fixes, and security ...

Using TCPDump Preface I did not write this, I found this many moons ago and saved it to my Evernote. I never made note of the URL and who did write this, but after some Googleing, I think it mi...

FortiGate Naming Schema While browsing around for any on firewall object/policy naming suggestions, I found this post on reddit. While Its a nice and very thorough document, I do suggest (as this ...

Using NMAP Scan a single host or an IP address (IPv4) # Scan a single ip address nmap 192.168.1.1 # Scan a host name nmap server1.cyberciti.biz # Scan a host name with more info nmap -v server1.c...

ClearPass vs ISE, Terminology In the last few years, two NAC (network access control) solutions have been fighting for the top spot - Aruba ClearPass and Cisco ISE. Personally, I am a big fan of ...

macOS Wireless Roaming for Enterprise Customers This is from a Reddit post that I recently found. I wanted to make sure I kept it for future reference, so I’m posting it here. Original Post Trig...