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Data CenterServers

Understanding IIS Rapid Fail Protection and Its Impact on Application Pools

The Challenge of 503 Service Unavailable Errors in IIS Internet Information Services (IIS) is a versatile and powerful web server...
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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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Routing & Switching

MTR vs Iperf Network Diagnostics and Performance Tools

MTR and Iperf are tools used in network diagnostics and performance measurements, but they focus on somewhat different aspects of...
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Routing & SwitchingSecurity

Data Flow – TLS

Transport Layer Security (TLS) is a protocol designed to provide secure communications over a computer network. Below is a simplified...
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Routing & Switching

TLS – Finding the SNI

Whenever a Transport Layer Security (TLS) connection begins, the first message sent is the Client Hello. This initial transmission from...
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Routing & Switching

TCP Handshakes – 3 Way, 4 Way, 5 Way, and Simultaneous Open

TCP handshakes are integral to the establishment of connections in network communications. Most network engineers are well-acquainted with the traditional...
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CloudRouting & Switching

MTR and Iperf – Network Diagnostics and Performance Issue Resolution with AWS Direct Connect

A fast and efficient network is crucial to ensuring optimum organizational performance. In this blog post, we provide a detailed...
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Security

Palo Alto – Category Testing and Decryption

Using CLI Commands “test security-policy-match” & “test decryption-policy-match” test security-policy-match command allows you to determine which security policy rule would...
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Data CenterRouting & SwitchingSecurityServers

Wireshark – Analyze Network Performance

Name Filter Description Connection Reset tcp.flags.reset==1 Unexpected TCP resets could suggest a network failure or timeout. Bad TCP packets tcp.analysis.flags...
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Routing & Switching

Cisco – How to Speed Up Traceroute on Cisco IOS and IOS-XE Devices “numeric”

Traceroute is a convenient network diagnostic tool for tracking the pathway taken by a packet on an IP network from...
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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
  • IP Calculator
  • Links
  • Contact

Categories

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

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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 macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python Redis Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare
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