Fail2ban

Privacy & Security
CloudFlare Watch
CORPORA: 1.9 billion - 45 million words each: free online access
Compare genres, dialects, time periods. Search by PoS, collocates, synonyms, and much more.
ESET Online Scanner
Scan your computer for malware for free with the ESET Online Scanner. Our free online virus scanner checks for any type of virus and helps you remove it.
F-Secure Linux weblog � 2008 � June
BartPE - Wikipedia, the free encyclopedia
Bootdisk.Com
CIPB - Country IP Blocks
Open Port Check Tool
A free open port check tool used to detect open ports on your connection. Test if port forwarding is correctly setup or if your port is being blocked by your firewall or ISP.
OpenDNS
Cloud Internet Security and DNS
ownCloud.org
Your Cloud, Your Data, Your Way!
SpiderOak
backup, sync, access, store and share data
Android Mobile Security | Droid Mobile Security & Security for all
BackTrack Linux - Penetration Testing Distribution
Default Router Passwords - The internets most comprehensive router pas
We are the largest router passwords community database in the world. Our expert reviews on the best wireless routers and the best wifi routers out there
kpcli - A command line interface for KeePass
Diceware Secure Passphrase and Password Generator
An easy way to generate a Diceware passphase or password.
Pass: The Standard Unix Password Manager
Pass is the standard unix password manager, a lightweight password manager that uses GPG and Git for Linux, BSD, and Mac OS X.
Keylength
Cryptographic Key Length Recommendation
About your IP address
AboutMyX provides services for network administrators and web masters. Services include free monitoring for server uptime, web spell checker, backup and restore tool using rsync and syslog viewer for PIX firewall.
SugarSync
Access and File Sharing
The passphrase FAQ (in Security @ iusmentis.com)
Strong Password Generator
Strong Password Generator
Security Guide for Windows - Random Password Generator
PWGen - Open-Source Password Generator for Windows
Professional password generator and password manager with full Unicode support, formerly known as PWGen for Windows. 100% free and open source.
Passwords recovery - MD5, SHA1, MySQL
CrackStation
Online Password Hash Cracking - MD5, SHA1, Linux, Rainbow Tables, etc.
xkcd Password Generator
The button below will generate a random phrase consisting of four common words. According to yesterday’s xkcd strip, such phrases are hard to guess (even by brute force), …
Unbreakable crypto: Store a 30-character password in your brain�019s
It's ingenious: The system still requires that a user enters a password, but at no point does the user actually remember the password, meaning it can't be written down and it can't be obtained via coercion or torture.
Passwords