How to Fix Errors After Renewing Let’s Encrypt Certificate

Today I renewed my Let’s Encrypt certificates using certbot on my nginx webserver. However, I received SSL errors, and the error messages was: In Chrome: ERR_SSL_PROTOCOL_ERRORIn Firefox: SSL_ERROR_RX_UNEXPECTED_NEW_SESSION_TICKET Recent updates seem to have made conflicts in the nginx configuration. And the solution is to simply delete or rename the file “default.conf” in the directory /etc/nginx/conf.d. … Read more

Barnyard2 not running in CentOS 7

I had some difficulties getting Barnyard2 to play with CentOS 7 when installing Snorby and Snort. Barnyard2 service stops shortly after I started it. First I thought it was related to SELinux, but then I checked the log file and found this: “ERROR database: ‘mysql’ support is not compiled into this build of snort ERROR: … Read more