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Security – DDOS

Distributed Denial-of-Service (DDoS) attacks are indeed a prevalent type of cyberattack. In a DDoS attack, the attacker overloads a network,...
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Routing & SwitchingSecurity

Palo Alto – Incomplete , Not-Applicable, Unknown-tcp/udp , Insufficient Data , tcp-rst-from-client , tcp-rst-from-server

Incomplete = The three-way TCP handshake didn’t complete. (Routing issue or destination server not listening on the port) Not-applicable =...
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Security

Keeping Up-to-Date with Application Changes: The Key to Avoiding Outages

In today’s rapidly evolving technological landscape, staying up-to-date of application and security updates is not just beneficial—it’s critical for avoiding...
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Security

DigiCert Root and Intermediate Certificates

Source: https://www.digicert.com/kb/digicert-root-certificates.htm Download DigiCert root and intermediate certificates DigiCert root certificates are widely trusted and used for issuing TLS Certificates to DigiCert customers—including educational,...
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SecurityServers

Microsoft SQL Service Accounts

It is generally not a good practice to give service accounts DBO rights, unless absolutely necessary. Service accounts often interact...
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Routing & SwitchingSecurity

HTTP2 and ALPN

HTTP/2 and ALPN are related in the context of secure web communications. When a web client (like a browser) and...
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SecurityServers

Powershell – Get List of Users that Belong to a Specific Group

Group = Web Admins Get-ADGroupMember -Identity "Web Admins" | Where-Object {$_.objectClass -eq "user"} | Select-Object Name, SamAccountName...
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Security

Test SSL-TLS Capabilities of Your Browser

Qualys SSL Labs’ SSL Client Test: Qualys Client Test...
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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/...
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Laptops & DesktopsSecurity

A list of SMTP and IMAP eMail Settings

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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
  • IP Calculator
  • Links
  • Contact

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
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  • Routing & Switching
  • Security
  • Servers
  • 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 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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