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Palo Alto – Understanding Zone Protection: Spoofed IP Address vs. Strict IP Address Check

When configuring firewall settings, particularly in a Zone Protection profile on Palo Alto Networks (PAN-OS), it’s important to understand the...
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Security

Palo Alto URL Filtering with Wildcards

Palo Alto Networks firewalls provide URL filtering capabilities, which you can use to control access to websites by blocking or...
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Routing & SwitchingSecurity

Whitelisting and TCP Behaviour

Understanding the behavior of TCP retransmissions in packet capture, particularly in the context of companies that whitelist IP addresses, is...
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Security

Palo Alto Cheat Sheet – VSYS

Find out if the firewall is in multi-vsys mode...
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SecurityServers

Microsoft IIS does not Dictate TLS Cipher Suites – That’s the OS’s Job

When setting up SSL/TLS encryption for an IIS web server, you might ask: Does IIS determine the supported cipher suites?...
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Routing & SwitchingSecurity

Palo Alto – Incomplete , Not-Applicable, Unknown-tcp/udp , Insufficient Data , tcp-rst-from-client , tcp-rst-from-server

Incomplete = The three-way TCP handshake didn’t complete. (Routing issue or destination server not listening on the port) Not-applicable =...
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Security

Palo Alto CLI Troubleshooting

Security

Palo Alto Cheat Sheet – Networking

General Routing Commands...
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SecurityServers

Microsoft Recommended Block Rules

From Microsoft:...
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SecurityServers

Palo Alto unknown-udp issue for Syslog Traffic

I ran accross an issue where a Cisco VCSE device was setup by another engineer but the Palo Alto FW...
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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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