Expansion of the "small exchange organization" - Part 1

In the previous articles, a very small Exchange organization was set up and the question was raised as to whether an environment for a higher number of users and better availability can be subsequently created from this. A higher number of users can of course also be mapped with a Singe Server solution if the resources are sufficient. In the case of ... Read more

Setting up a small Exchange 2016 organization

In the last few days I have described the structure of a small Exchange organization as I use it privately. To make it easier to find the articles, here is an overview of the articles: Part 1: Installation Active Directory and configuration DNS Part 2: Installation Exchange Server 2016 CU 2 Part 3: Configuration Exchange Server incl. certificate ... Read more

Setting up a small Exchange 2016 organization (part 5)

The last part of this series of articles is about connecting the Exchange organization to the Internet. This requires a few more steps. I have already described the configuration of the Web Application Firewall of the UTM in detail here and the configuration is copied one-to-one from the article. A small note: This complete ... Read more

Setting up a small Exchange 2016 organization (part 4)

The setup of the small Exchange 2016 organization for small businesses and test environments is now quite advanced. The fourth part of this article series is about the Sophos UTM. The network configuration is as follows: The Fritzbox establishes the Internet connection, the WAN port of the UTM is connected to a LAN port of the Fritzbox ... Read more

Setting up a small Exchange 2016 organization (part 3)

In the first and second part of this series of articles, the AD and DNS of the Exchange organization have already been installed and configured. Exchange 2016 was then installed in part 2. This part is about the Exchange 2016 configuration. To make it a little easier, here is a description of the environment that will be installed: Preface Before it ... Read more

Setting up a small Exchange 2016 organization (part 2)

In part 1, the Active Directory and DNS have already been installed and configured. In the second part, the Exchange Server is now installed in the test environment. Here once again is the environment that will be set up: The IP addresses of the two servers for an overview: DC 172.16.100.12/24 Exchange: 172.16.100.13/24 In the first part, I already mentioned that I had installed the Windows ... Read more

Setting up a small Exchange 2016 organization (part 1)

As already announced here, here is the detailed configuration for my Exchange 2016 organization. The aim is to set up this environment: I am using one of my test domains (frankysweb.org), which is hosted by Strato. I am starting from scratch, only the following things are already prepared: 2 x Windows Server 2012 R2 as ... Read more

Locky: Identify infected clients

In these two articles, I already presented a way to protect Windows file servers from Locky and other ransomware: https://www.frankysweb.de/windows-fileserver-vor-ransomware-crypto-locker-schuetzen/ https://www.frankysweb.de/windows-fileserver-vor-ransomware-schuetzen-update/ Tobbi has also implemented the idea for Netapp Filer: http://www.tobbis-blog.de/netapp-ontap-fileserver-gegen-ransomware-abschotten/ But there are still the clients, from which most of the danger emanates. The faster the computers are identified that are infected with ... Read more

Protect Windows file servers from ransomware (update)

Yesterday I already reported on how Windows file servers can be protected against ransomware such as Cryptolocker, Cryptwall or Locky using the "Resource Manager for File Servers". The following comment was made on the article: Hi Frank, great article! Is there a trick on how to intercept the user and possibly only allow the user access to ... Read more