Kerry CorderoKISS IT Design Principle - Human Error Prevention
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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 – Understanding Panorama Template Push Icons

When using Palo Alto Networks’ Panorama for centralized management of firewall configurations, it’s essential to understand the various icons and...
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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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Security

Palo Alto Cheat Sheet – Networking

General Routing Commands...
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CodeSecurityServers

API 101

What’s an API? API stands for Application Programming Interface. It’s a set of rules and protocols for building and interacting...
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Security

Cisco ASA POODLE Mitigation

Google has discovered a vulnerability in the design of SSL version 3.0. This vulnerability allows the plaintext of secure connections...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Evaluating IT Network Costs: OpEx, CapEx, and TCO

Cost consideration is an essential aspect when designing and implementing network architecture. Here, we delve into the three primary components...
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Security

Palo Alto – Disable Client Probing Now

Palo Alto advises against turning it on. While the documentation warns against using it on “high-security networks,” this could be...
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Security

Palo Alto SMTP Reset-Both in the Antivirus Policy and how to Exclude

I was once asked, what happens when SMTP gets reset/blocked, do the end users get a notification....
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Security

Palo Alto URL Filtering Test Pages

Keep in mind, this information will be logged as well, so you can query your logs. Here is a list...
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  • Home
  • About
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    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
  • IP Calculator
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Categories

  • Business Management
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  • Load Balancing
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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 LAG Logging macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare
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