This is a good doc from Google. Security Benefits Introduction: DNS security threats and mitigations Because of the open, distributed...
Here’s a good command to see which DC the ACS server is querying:...
Get the current session type, cli or lightdm+xfce: systemctl get-default Set the cli by disabling lightdm autostart: systemctl set-default multi-user.target...
TCPdump is an indispensable tool system administrators, network engineers, and cybersecurity professionals use for network troubleshooting and analysis. The tool...
CALCULATE TCP THROUGHPUT The default TCP window size in Windows Server is typically 64KB, but can go up to 2MB...
Port numbers are assigned in various ways, based on three ranges: SystemPorts (0-1023), User Ports (1024-49151) Dynamic and/or Private Ports...
I was getting an error when I went to run a PowerShell script. This was the error: PS C:\> .\kerrys-script.ps1...
First look at the MAC Address for your device (there are many ways): ifconfig | grep ether or cat /sys/class/net/*/address...
netstat -na | find “51000” or netstat -np [protocol] | find “port #” netstat -np tcp | find “51000” or...