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.
8 04, 2019
Attacking and Testing Sophos XG Web Application Firewall
Continuing our series on the Web Security Dojo, this time testing Sophos XG web application firewall. Step by step instruction on how to get started with a controlled security testing environment In Sophos XG.
28 11, 2018
Network Troubleshooting with Sophos UTM tcpdump Packet Captures
Sophos UTM tcpdump information can be very useful in troubleshooting connectivity issues. In this article, I will show you how to use the tcpdump command on Sohpos UTM to verify if syslog packets are leaving your Sophos UTM appliance.
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.
17 07, 2018
How To Configure Sandboxing with Sophos Sandstorm
Configure sandboxing with Sophos Sandstorm in Sophos UTM and Sophos XG. Learn the benefits of this new feature, and how it will provide additional security to your network.
28 06, 2018
Troubleshooting Sophos UTM Up2Date Failure Due to Disk Space
When you are deploying physical Sophos UTM appliances, the Up2Date process may fail due to a disk space shortage. This typically happens if you have a large number of updates that are outstanding. This article covers how to resolve this issue.
1 06, 2018
Sophos SG and Amazon VPC VPN Setup and Testing Guide
This guide steps through configuring and connecting a Sophos SG to an Amazon Virtual Private Cloud (Amazon VPC) via Site-to-Site VPN.
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!
16 04, 2018
Using Sophos XG Packet Capture To Troubleshoot Connectivity Issues
Sophos XG has the ability to capture and display actual network packet information right from the management web interface. This is a great tool to determine what is actually happening [...]
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