In today’s digital landscape, maintaining online privacy is becoming increasingly important, especially for those involved in security testing and ethical hacking. It is a powerful tool that allows users to conceal their IP addresses by routing their internet traffic through multiple proxy servers. This article explores what ProxyChains is, how it works, and how both ethical and unethical hackers use it to remain anonymous online.

Table of Contents
What is ProxyChains?
It is a tool that routes your internet connection through a series of proxy servers. A proxy server acts as an intermediary between your device and the internet, masking your IP address and helping you achieve online anonymity. By using multiple proxies in sequence, It makes it much harder for anyone to trace your connection back to its origin. This level of anonymity is especially useful in security testing, where ethical hackers need to protect their identities while probing networks.
How Does ProxyChains Work?
It operates by creating a chain of proxies that reroutes network requests. For example, if you want to visit a website, your request is first sent through a proxy server, which then forwards it to another proxy server, and so on until it reaches the final destination. Each proxy server in the chain masks the IP address of the previous server, making it difficult for anyone to trace the connection back to you.

Types of Proxies Supported
It supports various types of proxies, including:
- HTTP proxies: Useful for web browsing but limited for other types of traffic.
- SOCKS4 and SOCKS5 proxies: Suitable for all types of traffic, offering more flexibility and security.
Installing and Configuring ProxyChains
Setting up on a Linux or macOS system is straightforward. Here’s a quick guide:
Installation
Use the package manager to install. On Linux, run:
sudo apt install proxychains
Configuration
Open the proxychains.conf
file located in /etc/proxychains.conf
to specify your proxies.
Edit the Proxychains configuration
file:
sudo nano /etc/proxychains.conf
Make the following changes:
Uncomment the dynamic_chain
option:
dynamic_chain
This will make it try multiple proxies until one works.
Comment out the strict_chain
option:
# strict_chain
Disable the proxy DNS leaks to use Tor’s DNS resolver:
proxy_dns
Add the Tor SOCKS proxy at the bottom of the file:
socks5 127.0.0.1 9050
Your /etc/proxychains.conf
file should look something like this:
dynamic_chain
# strict_chain
proxy_dns
socks5 127.0.0.1 9050
Test with Tor
Now, test if this is working correctly with Tor by using the below command:
proxychains curl https://check.torproject.org
If everything is set up correctly, this should indicate that you’re using a Tor IP address.


Use with Other Applications
You can use Proxychains with other command-line tools like nmap, wget, or Firefox:
proxychains nmap -sT -Pn example.com
proxychains firefox
Becoming Anonymous Using ProxyChains
This is an effective tool for maintaining anonymity online, especially when combined with Tor. By routing traffic through multiple layers of proxies, It makes it extremely difficult for anyone to determine the origin of your internet requests. Here’s how to maximize anonymity:
- Use Multiple Proxies: A longer proxy chain increases anonymity but may reduce speed.
- Combine ProxyChains with Tor: Tor provides additional layers of encryption and anonymity, making it harder to trace back to your IP.
- Avoid Free Proxies: They are often unreliable and can log your traffic, compromising your privacy.
How Ethical Hackers Use ProxyChains
In penetration testing, ethical hackers use ProxyChains to protect their identities and mimic the behavior of malicious actors without revealing their IP addresses.This is often used in reconnaissance phases, such as scanning ports or testing for vulnerabilities, where anonymity is crucial to prevent countermeasures.
Ethical hackers also use to test defenses against anonymous attacks. By masking their identities, they can simulate an attack more realistically and test the effectiveness of network defenses without risking exposure.
Real-World Ethical Use Cases
- Network Scanning: Ethical hackers use It to run scans anonymously.
- Reconnaissance: During initial probing, hackers gather information on networks or web applications without being traced.
- Vulnerability Testing: Testing network defenses anonymously is essential in finding potential security weaknesses.
Black Hat Usage of ProxyChains
While this is a valuable tool for ethical hackers, it’s also favored by malicious actors. Black hat hackers use to conceal their identities during illegal activities, such as hacking into networks, accessing restricted information, or launching attacks on websites. By routing through several proxies, black hats make it harder for authorities to track them down.
Case Studies of Black Hat Use
- Data Breaches: Attackers uses to exfiltrate sensitive data while avoiding detection.
- DDoS Attacks: By chaining proxies, attackers can distribute requests across multiple locations, making it difficult to trace the origin of the attack.
- Dark Web Activities: Black hats uses combined with Tor to access the dark web while hiding their IP addresses.
Advantages and Limitations of ProxyChains
Advantages
- Enhanced Privacy: ProxyChains hides your IP address by routing traffic through multiple proxies.
- Flexibility: Supports HTTP, SOCKS4, and SOCKS5 proxies, making it suitable for various applications.
- Customizable: Users can configure proxy order, DNS settings, and more.
Limitations
- Slower Speed: The more proxies in a chain, the slower the connection.
- Configuration Complexity: Setting up and testing proxies can be challenging for beginners.
- Limited Protection: While ProxyChains hides your IP, it doesn’t encrypt data unless paired with Tor.
Best Practices for Using ProxyChains Safely
If you plan to use this for ethical hacking or privacy, follow these best practices to maximize security:
- Use Reputable Proxies: Avoid free proxies, as they may log your data or expose your IP.
- Combine with Tor: Tor adds another layer of security by encrypting your traffic within its network.
- Monitor Your IP: Test your setup with tools like
whatismyip.com
to verify your IP address is masked. - Limit Chain Length: Avoid excessively long proxy chains to prevent excessive latency.
Conclusion
ProxyChains is an essential tool for anyone looking to enhance their anonymity online. By chaining multiple proxies, it makes tracing your IP address extremely difficult, offering a valuable tool for ethical hackers and privacy-conscious users alike. However, with great power comes great responsibility. is a double-edged sword: while this is crucial for ethical hacking and privacy, it can also be misused by malicious actors. Whether you’re using this for legitimate security testing or personal privacy, always follow best practices to protect your data.
With this, you can explore the internet anonymously, protect your identity during security tests, and understand the importance of privacy in the digital age. Just remember to use this tool responsibly and stay informed about the ethical implications of anonymity online.