Author Archives: Александр Мамалыга

How to get SSL certificate from Let’s Encrypt

How to get SSL certificate from Let’s Encrypt

The HTTPS protocol requires an SSL certificate. In essence, an SSL certificate is a digital document of the site. Buying a certificate entails additional costs. However, with Let’s Encrypt, you can yourself get a free SSL certificate. This can be done both through your hosting C-Panel and with the help of the Certbot program. We will consider the second option.

Read More »

Vulnerability Linux Kernel (CVE-2017-6074)

Vulnerability Linux Kernel (CVE-2017-6074)

It was discovered the vulnerability in Linux kernel (CVE-2017-6074), which allows unprivileged local user to execute some code with root rights.
This vulnerability is actual for all kernels with DCCP option support, from the 2.6.14 to the 4.9.11 versions inclusive, which were builded with CONFIG_IP_DCCP option.
In most cases, dccp is disabled in kernel and it can be connected like a module. You need to disable dccp in your system.
Read More »