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Unable To Do Port Forwarding To Internal Web Server From Internal Network Through External IP

Here in this article we will discuss how to troubleshoot the issue when internal network clients are unable to access internal web server through port forwarding. Suppose here is the configuration: Internal web server: Firewall External IP: Internal Client: Customer is trying to access internal web server ( through ( on port 3389. Now we will create […]

Sophos UTM High Availability Stuck In Up2date

Issue: User UTM firewall is configured in high availability, he is trying to upgrade the firmware by leaving firewall in high availability mode. User observed slave node of the firewall stuck in up2date when updating the firmware. Here is the screenshot of high availability status Resolution: Now from the above screenshot we can understand master node has upgraded its firmware […]

Home LAN network and Corporate LAN Network Conflicting Sophos Connect Client

Issue Description: User is connected to corporate LAN network through sophos connect client VPN. User home network range is “” and corporate LAN network is also using the same range ““. So if user connected through sophos connect client VPN is pinging any corporate LAN IP address, request will not pass through sophos connect client VPN tunnel instead request will […]

Access Points Behind Red Are Not Showing Up In Pending Access Points Sophos XG

Issue: Here in this article we will discuss how to sort out the issue when sophos access points behind red are not able to connect to sophos XG firewall configured in standard or transparent split mode. Troubleshooting: When we are configuring RED interface in standard split mode or transparent split mode only the traffic destined to networks mentioned in split […]

How To Configure IPS Exception In Sophos XG Firewall

Sometimes firewall module IPS will block some legitimate traffic as malicious traffic which results in blocking of some legitimate traffic. Here in this article we will configure how to create IPS signature exception in sophos XG firewall for specific traffic false positive traffic. NOTE: Many users will have confusion how to identify whether the traffic is malicious or legitimate. The […]