Posts categorized as 'Linux'

Default Blocks in IPTables

This article explains how to create Default Blocks in IPTable rules.



Posted in Security_Tips   Security   Linux   IPTables     /   2022-06-24

Commenting in IPTables

This article explains how to create comments in IPTable rules.



Posted in Security_Tips   Security   Linux   IPTables     /   2022-06-24

A Basic Linux Security Checklist

This article provides 8 steps to creating a secure Linux server.



Posted in Security_Tips   Security   Linux   IPTables     /   2022-06-24

Enable SFTP on Ubuntu Server

This article explains how to configure SFTP on a linux server.



Posted in Security_Configurations   Linux   Security     /   2022-06-23

Working with UFW on Ubuntu

This article explains UFW and hows how to use it on Ubuntu.



Posted in Security_Configurations   Linux   Security   Ubuntu     /   2022-06-16

Install NMAP on Ubuntu

This article explains how to configure NMAP on a linux server.



Posted in Security_Configurations   Linux   Security   Ubuntu     /   2022-06-16

Apache – Configuring VirtualHosts on Ubuntu 18.04

This article explains how to configure VirtualHost files for Apache on Ubuntu 18.04.



Posted in Application_Tips   Linux   Apache   Ubuntu     /   2022-06-16

Auto-Update CentOS 7 Packages with Yum-Cron

This article explains how to apply autoupdates on a CentOS 7 linux distribution.



Posted in Application_Tips   Linux   CentOS_7     /   2022-06-16

Binding Multiple IPv6 Addresses Automatically

This article explains how to bind multiple IPv6 addresses automatically.



Posted in Networking_Tips   Troubleshooting   Linux     /   2022-06-16

Blocking DNS requests via IPTables

This article explains how to block DNS requests using IPTables Firewall for Linux.



Posted in Networking_Tips   Troubleshooting   Linux   Firewall   IPTables   DNS     /   2022-06-16

Blocking HTTP requests via Iptables for a specific domain

This article explains how to block HTTP requests using IPTables Firewall for Linux.



Posted in Networking_Tips   Troubleshooting   Linux   Firewall   IPTables     /   2022-06-16

Capture POST Requests on Webserver / Website

This article explains how to capture the content of POST requests on an Apache web server.



Posted in Networking_Tips   Troubleshooting   Linux   Apache     /   2022-06-16

Inspecting DNS traffic via tcpdump

This article explains how to monitor and inspect traffic using TCPDump.



Posted in Networking_Tips   Troubleshooting   Linux   TCPDump     /   2022-06-16

Monitor the Status of OSSEC Service with a Bash Script

This article explains how to monitor the status of services on Linux using OSSEC as an example.



Posted in Networking_Tips   Troubleshooting   Scripting   Monitoring   OSSEC   Linux     /   2022-06-16

List UFW Rules When The Application is Inactive or Disabled

This article explains how to work with UFW, a Linux Firewall, and how to list active and inactive rules.



Posted in Networking_Tips   Troubleshooting   Firewalls   UFW   Ubuntu   Linux     /   2022-06-16

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