Deactivating NetBIOS NBT-NS NetBIOS NBT-NS is another broadcast protocol over TCP / IP similar to LLMNR. Easy to exploit and therefore dangerous. I mention it because it [...]Continue reading "
Everything about networking. Mainly I am concerned with the security of users and their usability.
Record and evaluate DNS queries Sysmon (System Monitor) is a system service and driver at the same time, which always remains active after installation. Sysmon monitors all system activities and [...]Continue reading "
Public DNS Server DNS is practically the address book of the Internet. When a website is called up, the browser searches for the website address in the DNS system. Ever [...]Continue reading "
Remote Desktop Connection This error message is known in connection with an expired certificate or if one is expected but none are bound to the rdp_tcp protocol [...]Continue reading "
NCSI - Network Status Display The abbreviation NCSI means "Network Connectivity Status Indicator". Among other things, this mechanism controls the display (taskbar) of whether you have an Internet connection […]Continue reading "
PKTMON Network Sniffer With the Windows 10 on-board tool “pktmon.exe” to be found under C: \ Windows \ System32 you are able to record the network activities. The tool can be […]Continue reading "
Determine WSUS Firewall exceptions In order for the WSUS server to receive updates from Microsoft, the following goals should be activated in the corporate firewall: http://dl.delivery.mp.microsoft.com https://dl.delivery.mp.microsoft.com http : //windowsupdate.microsoft.com http: //*.windowsupdate.microsoft.com […]Continue reading "
No remote desktop connection NLA problem The remote desktop connection to the server V-APP-81-PRD was not established due to an error. The analysis showed that a non […]Continue reading "
netsh bind Certificate If, for example, a web service is bound with an expired certificate, this problem can be corrected using the CMD. This method can be very […]Continue reading "