Category Archives: Tech

Cisco IronPort E-mail Security Appliance Best Practices : Part 2

This article is a continuation from part 1 of the IronPort ‘best practices’ series. Here I will discuss: Implementing DNS blacklists DLP Bounce profiles LDAP queries

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WDS TFTP Maximum Block Size and Variable Window Extension

This is a quick post to show the performance benefits of TFTP block sizes and Variable Window Extensions. Please note that my tests were brief and not scientific at all but the results were good enough for me! Our WDS … Continue reading

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MDT, WDS and UEFI – Get Rid of Those DHCP Options

The below is some things to look in to if you are having problems deploying UEFI boot images to your machines using WDS. I will admit that I used to use DHCP options 66 and 67 for deploying legacy, non-UEFI … Continue reading

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802.1X Machine Authentication with Per Group VLANs with Meraki Wireless Access Points

The below is more of a supplement to the Meraki knowledge base articles as I thought (personally) they were lacking quite a bit with some important information – also a warning about using group policies in the Meraki dashboard. The … Continue reading

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Cisco IronPort E-mail Security Appliance Best Practices : Part 1

I’ve cheekily phrased this blog article as a best practice guide to setting up/configuring your Cisco IronPort email security appliance. However I must make clear that the below is what I deem to be best practices/configuration. Every environment is unique so … Continue reading

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