Kerry CorderoPractical Network Engineering Notes
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Servers

SecurityServers

Microsoft Recommended Block Rules

From Microsoft:...
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Laptops & DesktopsServers

Netstat and Finding Processes/Apps

Windows: In this example you can see the One Drive is using port 443. C:\>netstat -aon | findstr "443" TCP...
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SecurityServers

Palo Alto – User-ID Agentless and AD Integration

WINDOWS EVENT IDs USED Windows Logs > Security: 4624 – Logon Success 4768 – Authentication Ticket Granted 4769 – Service...
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Laptops & DesktopsServers

Using netstat to show specific port

netstat -na | find “51000” or netstat -np [protocol] | find “port #” netstat -np tcp | find “51000” or...
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Data CenterRouting & SwitchingServers

Large Data Transfers (backups) – What to look for from a Network, Server, and Storage Perspective

What if you had to transfer a large amount of Data for backups?  Where do you put them?  How do...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

BCP – Business Continuity Plan for Data Center Hurricane Failover & Failback Example

  Table of Contents 1. Objectives 2. Stakeholders 3. RTO/RPO Targets 4. Hurricane Trigger Points 5. Communication Plan 6. Pre-Hurricane...
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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...
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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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Routing & SwitchingServers

Cisco and HP Terminology Differences

I’ve been working with HP Enclosures and Cisco devices a long time now and these always get confusing when trying...
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SecurityServers

Packet Capture – TCPdump

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