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

SecurityServers

Palo Alto unknown-udp issue for Syslog Traffic

I ran accross an issue where a Cisco VCSE device was setup by another engineer but the Palo Alto FW...
Read More
Security

ASA VPN Tunnel Peer IP Change

Using these steps you are trying to minimize downtime. The beauty is that you keep the OLD IP up and...
Read More
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...
Read More
SecurityServers

Packet Capture – TCPdump

TCPdump is an indispensable tool system administrators, network engineers, and cybersecurity professionals use for network troubleshooting and analysis. The tool...
Read More
Security

Packet Capture – Cisco ASA

Packet capture on a Cisco ASA using the Command Line Interface (CLI) can be done through several methods. Here’s an...
Read More
Security

Palo Alto User Agent/ID Troubleshooting

Security

Palo Alto – Factory Default (reset)

To enter maintenance mode, you need to restart your system with request restart system in operational mode or if you’re in...
Read More
Routing & SwitchingSecurity

Cisco SNMPv3 Config

Below is a working config:...
Read More
Routing & SwitchingSecurity

Packet Capture – Cisco IOS

Certainly, here’s the packet capture procedure on Cisco IOS with specific source IPs, destination IPs, and ports incorporated into the...
Read More
Security

Cisco ASA VPN Filters

ACL looks like this: access-list VPN-FILTER permit {remote-IP} [remote-Port] {local-IP} [local-Port] Examples: LOCAL:              ...
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