If for some reason you need a user that’s RDP’ed into a Server or Workstation to do a CTRL+ALT+DEL, here...
I’m focusing more on DNS updates. Below is how long a DNS record will update (new record or updated record)....
If you’re getting this error: Below is the fix: While your VM is off, you need to go into your...
There may be times where you need to add/remove wireless profiles from the CLI....
In a Windows DNS server environment , if forwarders are configured, they take precedence over root hints for resolving external...
1. Local Cache Check: You attempt to access a website (say, `app.lb.cordero.me`) on your Windows AD-managed laptop. Your operating system...
Here’s an explanation of the importance of self-signed certificates and third-party certificates in the context of certificate chains: Self-Signed Certificates:...
I’ve carried the Architect title over the years of being in IT. Below is my opinion on the difference between...
In the context of DNS and websites, “cisco.com” and “www.cisco.com” are both domain names, but they have slightly different uses....
Port numbers are assigned in various ways, based on three ranges: SystemPorts (0-1023), User Ports (1024-49151) Dynamic and/or Private Ports...