Exchange - Update to fix escalation privilege vulnerability
Due to the vulnerability that allows privilege escalation I wrote about in this post, Microsoft has released a cumulative update for all supported versions of
Exchange - New vulnerability that allows privilege escalation
A new vulnerability that affects Exchange on-premise servers has been discovered recently (https://dirkjanm.io/abusing-exchange-one-api-call-away-from-domain-admin/). By making use of the high privileges Exchange servers
Home Server (5) – VMWare ESXi 6.5 installation
5th post of the Home Server series in which I explain how I built my own server.
In previous posts I have shown how to
Checkpoint - VSX Virtual Memory full - Enable 64 bit
Symptoms
I manage a 2 node VSX clusterXL environment that hosts 3 firewalls (virtual systems).
Some days ago I came across a problem in which
Home Server (4) – Install SSD to HP Microserver Gen8
Although it is not essential I strongly encourage you to install an SSD disk to your HP Microserver Gen8 to host the system you want
Icinga - Monitor SSL certificate expiration date
A common task among system administrators is the renewal of SSL certificates. It is important to keep track of expiration dates so that it is
Exchange - Message queue file mail.que large size
Symptom: Large mail.que file size
Last week my Icinga started alerting about low free space in my Exchange server disk.
After using a software
Exchange - Cannot remove exchange certificate
Some days ago I tried to cleanup old certificates from my Exchange servers, but I received the following error:
[PS] C:\> Remove-ExchangeCertificate -Thumbprint D09EDD6D5F18C175254AB97046AAAAAAAAAAAAA
Home Server (3) – First steps configuring HP Microserver Gen8
Third post of the Home Server series in which I explain how I built my own server.
Visit the first post for details about the
Exchange 2013 - Cumulative Update 21 released
In June 2018 Microsoft released Cumulative Update 21 (build 15.00.1395.004) which is the last planned quarterly update for Exchange 2013 (https://blogs.
Home Server (2) – Hardware to buy list
In this second post of the “Home Server” series I show you a list of the hardware I have used. Not all of them are
Windows - .NET Framework 4.7.1 install stuck / hangs
I needed to install .NET 4.7.1 to allow updating Exchange 2013 to CU 21.
This is the installer I downloaded and tried to
F5 BIGIP – Name based reverse proxy (LTM policies)
F5 BIGIP is a very powerful and versatile product that can be used for several purposed. I started using it as a load balancer. Then
Home Server - Set up a home server step by step
I enjoy doing my own projects, mostly technological motivated by my passion for my profession, and the one I really wanted to do (I began
Checkpoint – Database Revision Control
“Database Revision Control” is a really useful feature when you are going to make important and/or many changes in the firewall policy, objects…
To