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A list with 10 million entries running at 50 requests per second takes over 55 hours to complete.
The Ultimate Guide to High-Quality FTP Password Wordlists: Securing and Testing Your Servers
Modern firewalls, Intrusion Prevention Systems (IPS), and fail-to-ban scripts actively monitor FTP ports. Exceeding a small threshold of failed login attempts typically triggers an IP ban, account lockout, or severe rate limiting. High-quality lists prioritize the most statistically probable passwords to find valid credentials before triggering these defense mechanisms. Characteristics of a High-Quality FTP Wordlist
Are you dealing with an or an external-facing hosting environment ?
The you are auditing (e.g., Linux vs. embedded IoT) ftp password wordlist high quality
admin:Summer2025 root:Winter2025 backup:Spring2025 ftp:Fall2024
Start with proven, curated repositories of real-world credentials.
hydra -L users.txt -P high_quality_ftp_list.txt ftp://192.168.1.50 -t 4 -V Use code with caution.
To build a professional-grade list, security researchers typically aggregate the following: Probable-v2: A list with 10 million entries running at
Disabling the targeted account, disrupting legitimate business operations.
While static wordlists are powerful, the highest-quality wordlist is often one that is tailored to a specific target or that has been intelligently enhanced from a base list. The following sections highlight key tools and techniques for achieving this.
This report outlines the strategic development and application of high-quality password wordlists for FTP (File Transfer Protocol) security auditing and penetration testing. 1. Overview of FTP Vulnerabilities
nmap --script ftp-brute --script-args userdb=users.txt,passdb=high_quality_ftp_list.txt -p 21 192.168.1.50 Use code with caution. Best Practices for Securing FTP Services | | Metasploit | FTP
If you are testing for misconfigured servers, these are the most common "high-quality" default pairs: anonymous:anonymous anonymous:email@address.com admin:admin admin:password ftp:password How to Prepare a Custom Text Wordlist
Medusa is a speedy, parallel modular login verifier. It handles FTP connections cleanly and supports multiple targets.
According to recent data analysis, many users still choose easy-to-remember passwords [PerQueryResult 0.5.15]. A high-quality wordlist for 2026 should include:
hashcat --force --stdout company_keywords.txt -r preferred_rules.rule > high_quality_ftp_list.txt Use code with caution. Executing Efficient FTP Credential Audits
| Tool | Supported Protocols | Key Wordlist Feature | | :--- | :--- | :--- | | | Extensive (FTP, SSH, HTTP, SMB, RDP, MySQL, etc.) | Supports any custom wordlist ( -P flag). | | Nmap | FTP | Uses ftp-anon script for anonymous login. | | Medusa | FTP, SSH, HTTP, MySQL, Telnet | Highly parallelizable with support for multiple wordlist formats. | | Metasploit | FTP, SMB, SSH, etc. | Includes auxiliary modules that can utilize custom wordlists. | | John the Ripper | FTP (via password hash) | Highly customizable with rule-based attack modes. |
The absolute gold standard for security professionals. Maintained by Daniel Miessler, SecLists contains dedicated subdirectories for FTP defaults, common usernames, and optimized password lists ranked by popularity.