Kerry CorderoKISS IT Design Principle - Human Error Prevention
  • 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
  • See all results
Home
Security
Latest
  • Latest
  • Oldest
  • Random
  • A to Z

Security

Security

CISA Log4j (CVE-2021-44228) Vulnerability Guidance

Log4j is a serious issue we have today.  Probably one of the most serious vulnerabilities of my time.  It’s so...
Read More
Security

TLS Verification and Testing

HOW TLS WORKS TLS version negotiation is typically performed as part of the SSL/TLS handshake process. When a client initiates...
Read More
CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Certificate Chains

HOW CERTIFICATE CHAINS WORK Certificate chains, also known as a chain of trust, work on the concept of Public Key...
Read More
SecurityServers

Splunk – Searches for measuring data ingested

Security

Certificate Testing Site

This site is good for testing thinks like TLS versions and Untrusted Root. https://badssl.com/ https://untrusted-root.badssl.com https://tls-v1-0.badssl.com/ https://tls-v1-1.badssl.com/ https://tls-v1-2.badssl.com/...
Read More
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...
Read More
Security

10 Malware Protection Best Practices

1. Update your frontline defenses Adhere to policies and best practices for application, system, and appliance security. Create unique passwords...
Read More
Security

Best Practices to Strengthen the Security Posture of your Organization’s Systems

-Maintain up-to-date antivirus signatures and engines. -Keep operating system patches up-to-date. -Disable File and Printer sharing services. If these services...
Read More
Security

Palo Alto BEST PRACTICES FOR RANSOMWARE PREVENTION

From Palo Alto’s Website: Environment All PAN-OS Anti-Virus license   Resolution What is Ransomware? Ransomware is a family of malware...
Read More
Security

Palo Alto Detect TLS 1.0 and 1.1

UPDATE: In Panorama PAN-OS 10.X: You cannot use the ‘equal-to‘ operator for custom signatures in this use case. The ‘negate‘...
Read More
Load More

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
© 2025 cordero.me • All Rights Reserved
  • 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
Start typing to see results or hit ESC to close
Troubleshooting Palo Alto Microsoft Windows F5 Cisco
See all results