Hi,
by default .NET does not uses TLS Version 1.2. So if you disable all SSL/TLS versions lower then 1.2 .NET application could not establish a secure connection anymore.
Continue reading .NET: Set default SSL/TLS Version to 1.2
All posts by Michael Albert
Linux: Load iptables/firewall rules at startup
Hi,
when you set up firewall rules by iptables these rule are not persistent. This means they are volatile and will be deleted at reboot time.
Continue reading Linux: Load iptables/firewall rules at startup
C#: Import a rsa public key generated by openssl
Hi,
the C# (.NET 4) RSACryptoServiceProvider->ImportCspBlob methode has the ability to import RSA (public) keys.
Continue reading C#: Import a rsa public key generated by openssl
openssl: Sign a file and verify it.
Hi,
openssl can be used to create signature of a file and check the file against the signature to prevent unauthorized changes.
VMware: Change network configuration of a vCenter Appliance (VCSA )
Hi,
a customer had the problem that, due to outdated DNS Server settings, vCenter didn’t start all services. Connecting with a browser just show “No healthy upstreams” and the login to the VCSA GUI takes a long time.
Continue reading VMware: Change network configuration of a vCenter Appliance (VCSA )