Tools & Links


You will find here links to useful tools and resources for every IT engineer.
As this page links to 3rd party resources please make sure you use it in accordance with owner’s use license and possible restrictions.

Networking Cheat Sheets

Place where you can find networking quick reference guides also called cheat sheets.

PCI DSS Documentation

Information about PCI DSS compliance standards and requirements.


Great source of information about networking and security. You will find there lots of how-to articles from multiple vendors and solutions to complex technical problems.


Lynis is an open source security auditing tool. Commonly used by system administrators, security professionals and auditors, to evaluate the security defenses of their Linux/Unix based systems. It runs on the host itself, so it performs more extensive security scans than vulnerability scanners.


PuTTY is an SSH and telnet client, developed originally by Simon Tatham for the Windows platform. PuTTY is open source software that is available with source code and is developed and supported by a group of volunteers.


GNS3 offers an easy way to design and build networks of any size… without the need for hardware.

Default router passwords database

On that website you will fine default passwords to most vendor wired and wireless router devices.

Web Archive

The website provide historical snapshots of most Internet websites. Great tool if you look for old version of particular website. You can check changes overtime, open sub pages etc. Unfortunately it shows static content only as it’s making snap shot not mirror of a web site.


WinPcap is the industry-standard tool for link-layer network access in Windows environments: it allows applications to capture and transmit network packets bypassing the protocol stack, and has additional useful features, including kernel-level packet filtering, a network statistics engine and support for remote packet capture.

Diff Checker

Diff Checker is a free online diff tool that gives you the text differences between two blocks of text.

SSL Certificate Check

On this website you can check if your server has installed correct and fully working certificate.

SSL Certificate Tools

On this website you will find few very useful tools to check, confert or check SSL certificates, CSRs and keys.

Pandora recovery

An application to restore deleted files and folders. Provide number of options, including filters which allow to search for specific files so you don’t neet to browse hundreds if not thousands of entries.
And finally great news is that it’s free so you don’t need to pay for it! Only catch is that during installation by default it will install additional 3rd party add ons. Luckily you have an option to skip unwanted apps.

Country IP block finder

Country IP block finder is useful tool for network/server administrators who need to block entire country IP range. This website s particularly interesting because provide output in different formats so you can copy and paste result without need for manual conversion.


MacMonster is a simple but useful website to find device vendor information based on hardware MAC address.

Exploit DB Website

You will find here a lot of exploits and hacks.

ASA NAT Converter

Useful tool to convert NAT configuration from 8.2 or older code to 8.3+ on Cisco ASA firewall.

Information Security news, events, pod-casts, CVEs and more

External Host/Network scanners

CVE (Common Vulnerability and Exposures)

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>