Knowledge Base

The issue is possibly observed when there are multiple up link interfaces which belong to the group "Up link Primary Addresses" and this group is used as the original destination in a NAT rule.Once UTM has been rebooted / upgraded,the affected NAT rules might stop working.

Advisory: Sophos Central Firewall Manager (SCFM) is timing out when accessing

Sophos is investigating reports of XG Firewall users who are experiencing errors trying to register to Sophos Central. The following message is shown: "Temporary error while accessing Sophos Central".

How to allow webex through the web proxy

This article describes a known behavior of the XG Firewall with regards to the initial SSH session not being logged in the Logviewer.

As a security best practice, Sophos recommends that user data be wiped from any XG hardware firewall that will be transfered from one user to another. There are several methods to do this, and some risk or cost involved in each. The following methods are available for XG hardware appliances.

This article provides information regarding the Web content caching feature of the Sophos XG Firewall.

This article provide steps on how to create a blackhole DNAT rule. A blackhole DNAT rule is useful for discarding unwanted packets.

This article describes how to check the routing information of any IP address in cases where there is a complex network and it is required to find out the reachability of that IP address from the appliance to understand complex network structures.

This article explains why WeTransfer uploads are not included in the "File uploaded via Web" report.