• Sophos Firewall v21.0 GA - Kyber TLS (Edge/Chrome) connection reset error for transparent TLS decryption
    AIFS IT Support
    We recently upgraded our Sophos XGS 4300 to SFOS v21. Since then, we are finding that a number of our users were receieving connection reset messages in their browser (Edge and Chrome) when attempting...
  • TLS decryption issue explanation for beginner
    David Kucera
    Hello, I am converting our customers from primitive FWs to Sophos XGS's and testing TLS decryption. Would anyone be so kind to walk me through what is happening in specific case below: Setup: TLS...
  • v21 Let's Encrypt Cert creation and renewal fails, whan NAT Rule for HTTP/HTTPS exists
    PCPCH
    On one of our XGS-firewalls, we need a NAT rule for HTTP/HTTPS. On this firewall, it's not possible to create or renewal a Let's Encrypt Cert. We need to disable the NAT rule, then it works to create...
  • Sophos XGS v20.0.2 - Heartbeat service dead - Decryption of passphrase is failed
    Jens Frankiewicz
    Hello, we performed a firewall migration from an XG450 model to the XGS4500 model last weekend. The firewalls are in a HA configuration. The migration process worked seamlessly. The primary firewall...
  • unable to access http website in win 11 only
    Ravin
    Hi Team, Issue: A Windows 11 PC (PC1) is unable to access a specific HTTP website through the office network. However, the same website is accessible via a mobile hotspot. In contrast, a Windows 10 PC...