Technical knowledge base
November 12, 2026
An external client connects to a public HTTPS address and times out. The destination NAT rule looks right, but the connection never reaches the web server. Trace one TCP connection through the original route lookup, NAT rule, translated route, and Security Policy. Then verify that the server sends its reply back through the firewall. The […]
November 12, 2026
A user opens an internal HTTPS application and the request times out. In PAN-OS Traffic Logs, the matching connection shows Action: allow. That field tells you the Security Policy decision. To find out where the connection stalled, follow the same TCP flow through the end log, the session table, and, if needed, a short dataplane […]
November 7, 2026
Scope: IPv4 route-based site-to-site IPsec on Palo Alto Networks firewalls running PAN-OS. The addresses and tunnel names below are illustrative. The example uses a standard virtual router. If the IPsec tunnel is up but an application still times out, follow one connection across both peers. An established security association (SA) does not confirm that the […]
March 17, 2024
Fort Knox Your Network: Best Practices for Palo Alto Networks Firewalls In today’s ever-evolving threat landscape, robust network security is paramount. Palo Alto Networks firewalls are a powerful line of defense, but like any security tool, their effectiveness hinges on proper configuration and management. This guide unveils best practices to maximize the security potential of […]
January 11, 2024
Conquering the Cyber Frontier: Your Guide to Palo Alto Firewall Installation Methods In today’s digital landscape, robust network security is no longer a luxury, it’s a necessity. Malicious actors lurk in the shadows, wielding sophisticated tools to infiltrate networks and exploit vulnerabilities. To combat these digital foes, we turn to fortresses of the modern age: […]
January 6, 2024
What are the different types of firewalls? In the digital world, where threats lurk at every corner, protecting your network is paramount. And when it comes to erecting sturdy digital walls, knowing the different types of firewalls is crucial. Each type offers unique strengths and caters to specific needs, so choosing the right one is […]
January 6, 2024
How does a firewall work? Imagine a bouncer standing at the entrance of a club, carefully checking IDs and scanning everyone for suspicious behavior. That’s essentially how a firewall works, but instead of a nightclub, it’s your network, and the bouncer is a complex set of rules and filters. Here’s a breakdown of how a […]
January 6, 2024
What are the prominent features of Palo Alto Firewall? Fortifying Your Digital Domain: Palo Alto Firewalls – A Bastion of Security in the Cyber Age In today’s perilous digital landscape, where cyber threats lurk around every corner, robust network security is no longer a luxury, but an imperative. And when it comes to erecting an […]
January 6, 2024
What should be done before Firewall Installation? Before You Build Your Firewall: 5 Crucial Steps to Network Fortress Preparation Cybersecurity threats lurk around every corner in today’s digital landscape. Building a robust network defense is paramount, and the first line of defense? A powerful firewall. But before you rush into installation, taking some crucial […]
January 5, 2024
When the Palo Alto Firewall License Expires? Brace yourself for potential security gaps and reduced functionality. A lapsed Palo Alto Firewall license throws a wrench in your network’s robust security posture. Let’s dive into the specific consequences: 1. Limited Security Features: Goodbye, advanced shields! Key features like malware filtering, attack prevention, and application control might […]