Microsoft Exchange and Active Directory Blog
OPNSense is a fork of the well-known open source firewall PFSense, I personally like OPNSense better, the GUI is tidier, there is a REST api and the most important plug-ins are also available. As there is a plugin for HAProxy and also for Let's Encrypt for OPNSense, I have started testing this combination in conjunction with Exchange 2016. OPNSense ... Read more
The Chrome browser reports the following error for websites running on an IIS server on Windows Server 2016: ERR_SPDY_INADEQUATE_TRANSPORT_SECURITY In this case, Chrome does not allow the error to be ignored. The problem also occurs with Exchange 2016 servers installed on Windows Server 2016. The problem lies in old cipher suites and ... Read more
If anyone is running an Exchange 2016 server with the Edge Transport role on Windows Server 2016, you should read the post from the Exchange Team Blog, it says: Today we are announcing an update to our support policy for Windows Server 2016 and Exchange Server 2016. At this time we do not recommend customers install ... Read more
I have now received several emails with questions about the Exchange 2016 update process. There are also always various questions in the comments to articles that refer to updates. So here is a short how-to on how to install Exchange updates. What is a Cumulative Update for Exchange? Updates for Exchange are called ... Read more
New updates have been released for all Exchange Server versions. Click here to download directly: Exchange Server 2016 CU5 Exchange Server 2013 CU16 Exchange Server 2010 SP3 UR17 Exchange Server 2007 SP3 UR23 Click here for details of the changes: Exchange Server 2016 CU5 Exchange Server 2013 CU16 Exchange Server 2010 SP3 UR17 Exchange ... Read more
In this blog post, Thomas Shinder from Microsoft presented the new "Microsoft Security Guide". The article is quite interesting and well worth reading. I was particularly taken with the last section. It says: The Security Update Guide development API can be used to create a report in CVRF format. To use this API, click the ... Read more
Today an important update was released for the following Exchange Server versions: Microsoft Exchange Server 2013 Service Pack 1 Microsoft Exchange Server 2013 Cumulative Update 14 Microsoft Exchange Server 2016 Cumulative Update 3 It is interesting to note that the Exchange versions are no longer completely up-to-date. There is already CU4 for Exchange 2016, as well as CU15 for ... Read more
In part 1, the basic configuration of Sophos XG in conjunction with Exchange 2016 has already been carried out, but some configuration work is still missing so that Outlook Anywhere, MAPIoverHTTP and the REST Api also work. As already mentioned in part 1, the Sophos templates for business applications are somewhat outdated, so manual improvements are required here. It is somewhat irritating that ... Read more
Sophos has been offering the successor to the UTM, called Sophos XG, for some time now. Sophos's advertising slogan: The next thing in next-gen: ultimate firewall performance, security and control So far, I've steered clear of Sophos XG, as a lot of things didn't really work smoothly in my last test. My last test is ... Read more
At the end of last year, I had already written an article on the topic of RPCoverHTTP, better known as Outlook Anywhere: Exchange 2016: Is RPCoverHTTP still needed? I therefore switched off Outlook Anywhere in my environment in December 2016. I have not encountered any problems so far. Outlook 2016 works perfectly with MAPIoverHTTP. So now that over two ... Read more
