Kerry CorderoPractical Network Engineering Notes
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Security

Security

Cross-Sector Cybersecurity Performance Goals Checklist

“The CPGs are a prioritized subset of IT and operational technology (OT) cybersecurity practices that critical infrastructure owners and operators...
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Data CenterSecurity

An In-depth Look at TAPs and SPAN Ports

Are you worried about your network’s security? Given the rise in cyber-attacks, many organizations are rightfully focusing on fortifying their...
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Routing & SwitchingSecurity

WHOIS Check Expiration

  whois cordero.me | grep -i 'expiry' Registry Expiry Date: 2027-07-17T21:24:32Z  ...
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CloudRouting & SwitchingSecurity

Akamai Prolexic Routed DDOS Protection

So what is Akamai prolexic routed DDOS protection? Prolexic Routed is a simple and effective approach for businesses to secure...
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Security

Palo Alto How and When APP-ID Works

The first TCP Handshake will be allowed if you are using destination TCP/UDP port-based rules with APP-ID. The Palo will...
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CloudSecurityServers

SAML

SAML (Security Assertion Markup Language) is an XML-based open standard used for exchanging authentication and authorization data between parties, primarily...
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Security

Okta HealthInsight Tasks and Recommendations

HealthInsight provides the following security tasks to improve security for an org. Security Task Why is this recommended? Security Impact...
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Security

Palo Alto Global Protect Client Software Not Upgrading

If you are trying to upgrade your Palo Alto GlobalProtect APP and notice it’s not getting upgraded, a good place...
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Routing & SwitchingSecurity

VLANs and Access Control

I’m writing this post because I’ve been in many environments where a VLAN is brought up as if it’s securing...
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SecurityServers

Microsoft Recommended Block Rules

From Microsoft:...
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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
  • Tools
    • Car Calculator
    • IP Calculator
    • RouteAgg
    • Subnet Breakout
    • VSLM
  • 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 DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Microsoft IIS Microsoft SQL Microsoft Windows Netflow OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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