Setting up a Linux based Postfix SMTP forwarder
Recently we migrated to Office 365 and with this started the process of decomissing on premises Microsoft…
Creating your own Infrastructure Certificate Authority with EasyRSA
What is one of the most annoying tasks as a Network or Systems Engineer? Yep you got…
Configuring a Palo Alto IPSec Tunnel to Microsoft Azure
I recently spent some time working out if using the NBN is a viable solution for IPSec…
Resetting a Supermicro BMC Admin Password Using ipmitool on ESXi
So this was pretty cool. I have a Supermicro branch server running ESXi that I was trying…
F5 CVE-2020-5902 Traffic Management UI Remote Code Execution
F5 load balancers are wildly popular so when this bug was publicly disclosed back in June it…
Lessons Learnt Upgrading VMware VCSA 6.7 to 7.x
To support ESXi 7.x we required an upgrade to our Virtual Center Server Appliance which was on…
Configuring Duo Two Factor Authentication with Palo Alto GlobalProtect
During the COVID-19 lockdown I was asked to setup a VPN and secure it with two factor…
Troublshooting %VOICE_IEC-3-GW: SIP: Internal Error (1xx wait timeout): IEC=1.1.129.7.65.0
So this one was a doozy! I get a call from helpdesk advising me that some voip…
Setting up a Linux Network Probe with Cisco RSPAN
In this tutorial I will go over the steps to setup an Ubuntu network probe hosted on…