List DNS servers ~ # esxcli network ip dns server list DNSServers: 192.168.76.2 ~ # Add DNS server ~ # esxcli network ip dns server add -s 8.8.8.8 ~ # esxcli network ip dns server list DNSServers: 192.168.76.2, 8.8.8.8 ~ # Remove DNS server ~ # esxcli network ip dns server remove -s 8.8.8.8 ~ […]
Get-Content (Get-PSReadlineOption).HistorySavePath > D:\PowerShellHistory.txt
Pi-Hole is a Linux network-level advertisement and Internet tracker blocking application which acts as a DNS sinkhole (and, optionally, a DHCP server), intended for use on a private network. What is a DNS sinkhole? A DNS sinkhole, also known as a sinkhole server, Internet sinkhole, or Blackhole DNS is a DNS server that gives out false information, to prevent […]
Apache Guacamole is a client-less remote desktop gateway that runs in your browser. In summary, you’re able to RDP, VNC, or SSH into devices on your network through a web browser. The tool works very well and allows you to manage all your connections in a centralized location accessible by a web browser. Setting up […]
Introduction In the previous article, I have shared a working algorithm on replacing the ESXi SSL certificate with a self-signed one, but, as you know well, there’s always room for perfection. So, I have been practicing with a more universal scenario that could also work with a domain infrastructure and domain certificate services. That’s what I […]
Now and then when publishing the topology, I’ve gotten some warnings that just states one or more of these: Warning: Ace DOMAIN\RTCUniversalGlobalReadOnlyGroup; Allow; ReadProperty; None; None and also later in the log Warning: One or more group access control entries (ACEs) are not ready. This means that not all ACEs are ready after the forest prep, for […]
Problem With Exchange 2003 tarpitting was turned on post SP2 with a registry hack, with newer versions of Exchange it is enabled by default. What is Tarpitting? This is a method to stop a mail sender sending you multiple mail requests, it was designed to stop miscreant from carrying out either a :- Directory Harvest […]
Exchange comes with default tarpit levels which work for some organizations but not others, you can change these if you see a delay in delivery, to change it is very easy and you need to do this with PowerShell. Launch the Exchange Management Shell (EMS) and run the following command: Get-ReceiveConnector -Identity “Server1\Default Frontend Server1” […]