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- guenni on Windows Server 2025: Domain Controller no longer accessible after restart
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Recent Comments
- guenni on Windows Server 2025: Domain Controller no longer accessible after restart
- Glenn on Outlook 365: Microsoft confirms CPU spikes while typing
- Frank Rizzo on Is VMware ESXi 8 back for free?
- Anonymous on Windows Server 2025: Domain Controller no longer accessible after restart
- Stephane MONIER on Microsoft Word 365/2021 crashes (April 7, 2025)
Tag Archives: Firewall
Intune Network Endpoint Update for Windows, Mac, Android
Quick reminder for administrators who manage devices via Microsoft Intune. Microsoft is changing the URLs for the endpoint with Windows, Mac and Android. Adjustments are required by the end of April 2025.
Zyxel disaster: Dead USG FLEX / ATP Series boxes (24.1.2025)
[German]Brief information and question to the readers who have Zyxel firewalls in their portfolio as to whether there are any affected parties. It seems to have hit some instances today, January 24, 2025. The "boxes" were put out of operation … Continue reading
Password spraying attacks on (Sophos) firewalls from IP 92.53.65.166
[English]Brief information for administrators of Sophos firewalls – a reader has informed me that since September 5, 2024, he has been observing increased attempts to attack his Sophos firewalls. And the VPN portal in particular is being flooded with login … Continue reading
Device Reboot bricks Zyxel USG FLEX / ATP Series Firewalls (March 2022)
[German]The manufacturer Zyxel seems to have a problem with Zyxel USG FLEX / ATP Series Firewalls. With a certain firmware, the Zyxel USG FLEX / ATP Series Firewall can no longer boot successfully and hangs. The manufacturer warns about the … Continue reading
Three vulnerabilities in Sophos/Cyberoam firewall technology
[German]Security researchers have discovered three vulnerabilities in Cyberoam firewalls (owned by British company Sophos). The vulnerabilities leave millions of devices and, in principle, the entire network vulnerable to security attacks. The products are used in corporate networks and are accessible … Continue reading
Vulnerability in Palo Alto Networks Firewalls
[German]Here's a security information for administrators using Palo Alto Networks firewalls with PAN-OS . In PAN-OS there are several critical bugs, which enables attackers to gain remote root access to the firewalls.
TLS-INTERCEPTION: Sophos-Firewall blocks CAs in Google
Users of Google Chrome browser are facing trouble visiting HTTPS websites, if a Sophos firewall is used. The browser shows certificate warnings and saying, the the communication isn't private.