Preventing Brute Force Attacks Against WordPress Websites
Feb 17, 2025 am 10:51 AMThis tutorial explains how to protect your WordPress site from brute force login attacks. These attacks try to guess usernames and passwords repeatedly. Because WordPress is so popular, it's a common target.
Key Takeaways:
- Brute force attacks use trial-and-error to access websites. WordPress is a frequent target.
- Prevention methods include verifying human users, password-protecting
wp-login.php
, and using plugins like Brute Force Login Protection and BruteProtect. - BruteProtect uses a network to share information about malicious IPs, but large attacks can still overwhelm it.
- CloudFlare protects and speeds up websites, blocking malicious requests before they reach your server. However, it's less effective against human attackers.
Brute Force vs. DDoS Attacks:
Brute force attacks target individual accounts, while DDoS attacks aim to disable a site by overwhelming it. A massive brute force attack can also cause a site to crash. DDoS attacks often use bots, while brute force attacks can be launched by bots or humans. Human attackers can be more targeted. Neither attack exploits website vulnerabilities. WordPress has no built-in protection against either.
How Brute Force Attacks Work on WordPress:
These attacks repeatedly send login requests to wp-login.php
with guessed credentials.
Prevention Methods:
-
Human Verification: Brute force attacks often use bots. Using Google's reCAPTCHA helps distinguish humans from bots during login. However, large-scale bot attacks can still consume resources. It also doesn't stop determined human attackers.
-
Password Protecting
wp-login.php
: Using HTTP Basic Authentication adds an extra layer of security. This makes brute-forcing more difficult but doesn't eliminate the risk. It also requires managing credentials for multiple authors, and a sufficiently determined attacker could still crack both passwords. Furthermore, the server still processes authentication requests, consuming resources under heavy attack. -
Brute Force Login Protection Plugin: This plugin limits login attempts per IP address, allows manual IP blocking, delays execution after failed attempts, and informs users of remaining attempts. However, distributed attacks (from many IPs) can bypass this. While delaying execution saves processing time, it still uses memory.
-
BruteProtect Plugin: This cloud-based plugin shares information about malicious IPs across its network. This improves protection against distributed attacks compared to the previous plugin. However, it still loads WordPress on every request for IP verification, potentially leading to server overload under heavy attack. It also lacks the login delay feature of the previous plugin.
-
CloudFlare: This service routes traffic through its network, optimizing delivery and blocking malicious requests before they reach your server. It's effective against many bot-based attacks, but human attackers can still circumvent it. Requires DNS changes.
Conclusion:
The best solution depends on your needs. Combining CloudFlare and BruteProtect offers strong protection.
Frequently Asked Questions (FAQ):
The provided FAQ section is already well-written and doesn't require significant modification for clarity or conciseness. It thoroughly addresses common concerns about brute force attacks and their prevention.
The above is the detailed content of Preventing Brute Force Attacks Against WordPress Websites. For more information, please follow other related articles on the PHP Chinese website!

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