AllTechNetworking & Firewalls
Firewalls, gateways, and network problems: flaws in edge devices, connection errors, and how the network should be built.
Barracuda ESG Flaws Exploited: Patch the Gateway
CISA lists two Barracuda flaws as exploited. Chained, they give root on the Email Security Gateway. Affected products, fixes and what to check.
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Cisco ASA and FTD VPN Flaw: Remote Reload Bug
CISA lists Cisco ASA and FTD flaw CVE-2026-76418 as exploited. A crafted VPN request can reload the firewall. Affected setups, fixed versions, steps.
FortiOS CVE-2025-61624: Admin Bug Leads to Root
CISA lists FortiOS flaw CVE-2025-61624 as exploited. It needs admin access, but attackers used it to reach root. Affected versions and what to do.
The 10-Step SASE Framework: Which Steps Apply
Cloudflare's 10-step SASE framework was written for enterprises. What it maps to for a small or mid-sized business, and where most should stop.
502 Bad Gateway Error: Causes and How to Fix It
A 502 bad gateway error means a server in your request chain got an invalid response from another server. Here's what causes it and how to fix it.
