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Ban Bad IPs and Networks with FirewallD


by Danila Vershinin, April 7, 2018

Now this is how you ban the bad guys from your server with the convenient Firewalld drop zone.

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Html.Exploit.CVE_2017_11793-6336854-1 FOUND. What is it?


by Danila Vershinin, October 14, 2017

Find out how to deal with Html.Exploit.CVE_2017_11793-6336854-1 and if you are affected

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Stop Google Analytics SPAM bots and reduce server load


by Danila Vershinin, September 17, 2017

Reduce server load easily by configuring nginx to discard unknown hostnames. Fight those Google Analytics spam bots!

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NGINX SELinux: Fix Permission Denied, 502, and Port Errors


by Danila Vershinin, August 7, 2017

Fix every common NGINX SELinux error: 502 bad gateway from proxy_pass, 403 forbidden on static files, port binding failures, and more. Complete boolean reference table, file context guide, and 11 real-world scenarios with verified one-liner fixes for RHEL, Rocky Linux, and AlmaLinux.

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Varnish as Web Application Firewall


by Danila Vershinin, May 16, 2017

Protect your web application using.. simple Varnish VCL coding.

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Ultimate Magento 1.x Security Checklist


by Danila Vershinin, May 9, 2017

Secure your Magento using this easy checklist with links for in-depth tutorials on making your store safe from hacks

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Protect Magento 1.x admin in Nginx setup


by Danila Vershinin, March 19, 2017

Protect Magento 1.x administrator interface and Wordpress administrator interface to fight hackers trying to steal credit card data

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GIT Protect your Magento store


by Danila Vershinin,

Secure your Magento with git and simple cron tasks to receive early notifications of when your store has been hacked. Allows you to act early after intrusion.

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Vulnerability in the Linux kernel’s TCP stack implementation


by Danila Vershinin, August 12, 2016

Announcement of discovered vulnerability in the Linux kernel’s TCP stack implementation

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Protect Magento search security from malicious scanning


by Danila Vershinin, July 20, 2016

Tighten up Magento 1.x search security using a few lines of Nginx configuration.

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