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23 05, 2019

Attacking and Testing Sophos SG Web Application Firewall

Learn how to set up a Sophos SG Web Application Firewall testing environment where you can test and hone your WAF configuration skills. Step by step instruction on how to get started with a controlled security testing environment called Web Security Dojo.

23 10, 2018

How To Retrieve Log Files From a Sophos UTM Cluster Slave Node

When you have an active-passive Sophos UTM cluster, the configuration is synchronized between the nodes, but if the Master fails, it may not sync all the log data to the Slave node. From the WebUI, there is no method to view the files on the Slave device, yet those log files can contain information about the cause of the failure. This guide takes you through how to retrieve log files from a Sophos UTM cluster slave node and copy the file(s) to your local machine for analysis.

10 05, 2018

Recategorizing Websites in Sophos XG and Reclassifying Productivity

You can use custom categories not only for recategorizing websites in Sophos XG, but also for allowing or denying access to specific sites for certain users. They can also be used to reclassify the browsing 'productivity' for certain users when viewing Internet usage reports in Fastvue Sophos Reporter. For example, you can use them to classify lingerie sites as 'productive' for people in a retail lingerie department or to classify social media sites as 'productive' for people in the marketing department. There are a couple of "gotchas" in doing this, and I will explain how to avoid them while taking you through the process.

30 04, 2018

Testing Sophos SSL VPN Performance – UDP or TCP?

When configuring a Site-to-Site VPN on your Sophos SG or Sopho XG, you are presented with an option to select either TCP or UDP as the transport protocol. The configuration page hints that UDP provides better performance, so I thought it would be interesting to test the SSL VPN performance over both UDP and TCP protocols and find out which one is faster!

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