Thursday, March 31, 2022

Securing Postfix With TLS

Encrypting data transfer over HTTP protocol is slowly becoming a common practice. Web browsers vendors, general security knowledge, and services like Let’s Encrypt help a lot. There are, of course, a lot of legacy systems with no encryption or an insecure configuration. However, in my opinion, the situation is a lot better than with the good, old, simple mail transfer protocol. So, if you have an SMTP service and it is not yet secured with TLS, you should do it, especially since it is not as straightforward as it seems initially.

Saturday, March 21, 2020

The Most Useful OpenSSL Commands

OpenSSL is one of the most useful applications available on all major platforms. It is an open-source implementation of SSL and TLS protocols and cryptography algorithms. Useful on enterprise-level and for your personal needs. And this is my list of the most useful OpenSSL commands.

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