firewall


domain controller firewall ports 5

Often sought on the Internet, rarely complete, here is for a domain controller firewall ports to open so your Windows domain-controller is able to contact the other domain controllers it is depending on for proper replication UDP/123 for time synchronization, as in a domain by default the W32Time of a […]

Domain Controller firewall ports

PKI word and key drawing

UniCERT PKI: limited auto-enrollment support 2

  In enterprise environments, non-Windows PKI solutions are not uncommon. Such as product is PKI from Verizon CyberTrust called UniCERT, or UniCERT PKI for short. Although the product delivers standard PKI features, like many Unix-Java based products it has many limitations when it comes to integration into the Windows world. […]


Simple netcat-like TCP Server or client

Need to have a process listening on some port to test your firewall rules? Instead of using a netcat or ncat, here’s a very simple Powershell implementation of this ncat/netcat feature:

If you need a TCP Client, the code is very straightforward: