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Linux

Articles that apply to Linux operating systems.

Fail2Ban filter for NinjaFirewall log files

December 18, 2020June 23, 2020 by Kazimer Corp

This article outlines how to create a Fail2Ban filter that reads security events directy from the Ninjafirewall WP plugin’s log file directory, and bans IP addresses for events marked HIGH or CRITICAL.

Categories Linux, Security, Tutorials, WordPress Tags fail2ban, filter, how to, log files, ninjafirewall, Security

Fix problems caused by DISABLE_WP_CRON

October 9, 2019August 7, 2019 by Kazimer Corp

Learn how to fix problems that can occur on your WordPress site when you use DISABLE_WP_CRON with a “real” cron job.

Categories Linux, Tutorials, WordPress Tags cron job, crontab, DISABLE_WP_CRON, fix, how to, troubleshooting, WordPress, wp_cron, wp-cron

Do Unix Domain Sockets boost WordPress performance?

April 13, 2019January 26, 2019 by Kazimer Corp

The WordPress codex mentions using Unix Domain Sockets for database connections. But does it improve performance? This article explains how to use Unix Domain Sockets and tests their performance.

Categories Linux, Tutorials, WordPress Tags 127.0.0.1, DB_HOST, Inter-process communication, IPC, Linux, localhost, MariaDB, mySQL, performance, pipe, socket, speed, UDS, Unix Domain Socket, WordPress

Fail2Ban filter for NinjaFirewall WP+ Edition syslog events

June 23, 2020August 20, 2018 by Kazimer Corp

This article outlines how to add a Fail2Ban filter that reads security events written to syslog by Ninjafirewall WP+ Edition, and bans IP addresses for events marked MEDIUM or higher.

Categories Linux, Security, Tutorials, WordPress Tags apache2, fail2ban, ninjafirewall, ninjafirewall wp+ edition, syslog

Update Fail2Ban apache-security.conf filter for security2 module

May 6, 2019August 17, 2017 by Kazimer Corp

This article details how to update the apache-modsecurity filter that comes with Fail2Ban so that it will work with ModSecurity2 (security2_module).

Categories Linux, Security, Tutorials Tags apache-modsecurity, fail2ban, filter, mod_security, modsecurity, security2
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