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F5 – Leveraging the X-Forwarded-For HTTP Header to Preserve Original Client IP Address in SNAT Traffic

When managing web servers, especially in situations where monitoring or logging is vital, accurately recording the original client IP address...
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SecurityServers

RFC 6761 – Special-Use Domain Names

The acronym “RFC” stands for Request for Comments. These documents are part of a series that describes how the Internet...
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Security

Packet Capture – Understanding TCP Headers and Packet Filtering

The Transmission Control Protocol (TCP) is one of the fundamental protocols that power the Internet. It provides reliable, ordered, and...
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Security

Packet Capture – Free PCAP Files for Learning

There are several repositories and websites where you can find free PCAP files for learning purposes: Wireshark Sample Captures: The...
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Security

Accepting Credit Cards: Exploring Options and Best Practices for Enterprises

Accepting credit card payments is a fundamental business requirement in the digital transformation era. For enterprises, choosing the correct method...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

RFC 5735 – Special Use IPv4 Addresses

Before we dive into the specifics, let’s take a moment to revisit what RFCs are. Standing for “Request for Comments,”...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Organizational Structures for IT – Network Leads & Network Architects

I’ve carried the Architect title over the years of being in IT. Below is my opinion on the difference between...
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Routing & SwitchingSecurity

Packet Capture – Cisco Nexus

Cisco Nexus switches use a slightly different syntax compared to the ASA series for packet capturing, which is accomplished through...
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Security

Addressing Session Timeout Issues in Palo Alto Firewalls: PAN-216314

Issue: PAN-216314 Firewalls play an essential role in network security, and like any other sophisticated technology, they sometimes encounter issues....
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Security

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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  • 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 Okta OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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