USERS AND GROUPS net user net user newuser /add net user newuser password /add net localgroup users newuser /add net […]
Regular Expressions (RegEx) Cheat Sheet
Knowing how to write RegEx is crucial for creating or customizing modules or rules for Fail2Ban, Snort, etc. RegEx basically […]
Performance Comparison: OpenVPN vs WireGuard
Preparation and Resources 2 virtual machines located on the same data center (Linode) and location (Toronto); 1 vCPU and 1 […]
NetMask and WildCard Table
Reference Table for Subnetting Slash Netmask Wildcard Mask /32 255.255.255.255 0.0.0.0 /31 255.255.255.254 0.0.0.1 /30 255.255.255.252 0.0.0.3 /29 255.255.255.248 0.0.0.7 […]
Android Apps for Managing, Testing, and Hacking
JuiceSSH – Terminal including SSH, Local Shell, Mosh, and Telnet support. Fing – Network scan tool to discover and identify […]
SPF + DKIM + DMARC Overview
Tools against SPAM and domain spoofing: SPF – Whitelist of hosts that are allowed to send email on behalf of […]
Random Linux Commands and Useful Tips
CATEGORIES System and Environment Network Public IP DNS Utilities Mounting Volumes General Linux Tips Ubuntu Tips Raspberry PI Tips Kali […]
Snap vs Docker vs Multipass
The difference between Snap, Docker, and Multipass can be easily understood by one example of usage: Let’s suppose you need […]
Why Linux?
The list of reasons to use Linux instead of Windows is huge and can disagree, but even not agreeing the […]
Welcome!
In this blog, I share my ideas and concepts that worked for me and I hope will work for you […]