How to Set A Proxy In the Kali Linux Terminal?

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To set a proxy in the Kali Linux terminal, you can follow these steps:

  1. Open a terminal by clicking on the terminal icon in the top left corner of the screen or by pressing Ctrl+Alt+T.
  2. In the terminal, you can set the proxy temporarily for the current session by using the following command: export http_proxy="http://proxy_server_address:proxy_port" Replace "proxy_server_address" with the address of your proxy server and "proxy_port" with the corresponding port number.
  3. Similarly, set the proxy for HTTPS connections using the command: export https_proxy="http://proxy_server_address:proxy_port"
  4. If your proxy server requires authentication, you can add the username and password to the proxy URLs using the following format: export http_proxy="http://username:password@proxy_server_address:proxy_port" export https_proxy="http://username:password@proxy_server_address:proxy_port" Replace "username" and "password" with your actual authentication credentials.
  5. You can also set the proxy for system-wide usage by editing the environment variables configuration file, typically located at /etc/environment. Use a text editor like nano or gedit to open the file, and add the following lines at the end: http_proxy="http://proxy_server_address:proxy_port" https_proxy="http://proxy_server_address:proxy_port" Save the changes and exit the text editor.
  6. After setting the proxy, you may need to restart applications or reboot the system for the changes to take effect. Not all applications will automatically use the proxy settings from the terminal.

Note: Ensure that you replace "proxy_server_address" and "proxy_port" with the actual details of your proxy server.

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How to set up a proxy chain in Kali Linux?

To set up a proxy chain in Kali Linux, you can follow these steps:

  1. Install ProxyChains: Open a terminal in Kali Linux. Run the command: sudo apt-get update && sudo apt-get install proxychains
  2. Configure ProxyChains: Open the configuration file using a text editor: sudo nano /etc/proxychains.conf In the file, scroll down and find the line starting with "dynamic_chain". Comment out this line by adding a "#" at the beginning. Below the commented line, add a new line: strict_chain. This will enforce the proxy chain order. Save the changes and exit the text editor.
  3. Add Proxy Servers: Scroll down further in the file to the "[ProxyList]" section. Remove the default examples and add your proxy servers in the format: . For example, you can add multiple proxy servers like this: socks5 1080 http 8080 Save the changes and exit the text editor.
  4. Test ProxyChains: You can now use ProxyChains to execute commands with the proxy chain. For example, to execute a command using ProxyChains, use the following syntax: proxychains Replace "" with the actual command you want to execute, such as proxychains curl ProxyChains will automatically route the command through the proxy chain defined in the configuration file.

Note: Make sure you have proper authorization to use the proxy servers, and be aware of any legal implications or policies related to proxy usage in your environment.

How to troubleshoot proxy connectivity issues in Kali Linux?

Troubleshooting proxy connectivity issues in Kali Linux involves several steps. Here's a step-by-step guide:

  1. Check proxy server settings: Open the 'Network Settings' and navigate to the 'Proxy' section. Ensure that the correct proxy server address and port are entered.
  2. Test proxy server connection: Open a terminal and use the 'curl' command to test the connection to the proxy server. For example: curl -x : If the connection fails, try using a different proxy server or check if the proxy server is accessible.
  3. Check firewall settings: Ensure that any firewall rules are not blocking connections to the proxy server. You can use the 'ufw' command to manage firewall settings. For example, allow connections to the proxy server using the command: sudo ufw allow from any to port proto tcp.
  4. Check proxy authentication: If the proxy server requires authentication, ensure that the correct username and password are entered in the proxy settings.
  5. Verify proxy settings in applications: Some applications may have separate proxy settings that need to be configured independently. Verify and update the proxy settings for individual applications if required.
  6. Restart network services: Restart the networking services using the command: sudo service networking restart. This can help in refreshing the network settings and resolving any issues.
  7. Verify DNS settings: Ensure that the DNS settings are correctly configured. Use the command cat /etc/resolv.conf to check the DNS configuration. If required, update the DNS settings to resolve any DNS-related issues.
  8. Check network connection: Verify that the network connection on the Kali Linux system is active and stable. Troubleshoot any network connectivity issues if necessary.
  9. Test with a different network: If possible, try connecting to the proxy server from a different network or location to rule out any local network or ISP-related issues.
  10. Consult proxy server logs: If you have access to the proxy server, check the logs to identify any potential issues or errors that could be impacting the connectivity.

By following these troubleshooting steps, you should be able to diagnose and resolve proxy connectivity issues in Kali Linux.

What are the different types of proxy servers available?

There are several types of proxy servers available, including:

  1. Forward Proxy: This proxy server sits between the client and the internet and forwards client requests to the internet. It helps to bypass strict firewalls and can add anonymity to the client's internet usage.
  2. Reverse Proxy: This type of proxy server sits between the internet and a web server. It handles requests from clients and forwards them to the appropriate backend server. Reverse proxies are often used for load balancing, caching, or security purposes.
  3. SSL/TLS Proxy: This proxy server is specifically designed to handle SSL/TLS encrypted connections. It decrypts incoming requests, forwards the unencrypted requests to the server, and then encrypts the server's response back to the client.
  4. Transparent Proxy: A transparent proxy server intercepts client requests without requiring any configuration on the client side. It does not modify or filter the requests but can be used for caching purposes.
  5. Anonymous Proxy: This type of proxy server hides the client's IP address by substituting it with its own IP. It adds a layer of privacy and anonymity to the client's internet usage.
  6. High Anonymity Proxy: High anonymity proxies provide an even higher level of anonymity by not revealing any identifying information about the client, such as the IP address or location.
  7. Distorting Proxy: Distorting proxies also mask the client's IP address but provide a false IP address instead of their own IP. This can provide a partial level of anonymity while still being detected as a proxy server.
  8. Residential Proxy: Residential proxies use IP addresses provided by internet service providers (ISPs) that are assigned to residential users. They mimic real residential users, making them harder to detect as proxies and useful for various use cases such as web scraping or accessing geographically restricted content.
  9. Datacenter Proxy: Datacenter proxies are created in data centers and don't have a physical location or ISP association. They often offer faster speeds and are commonly used for tasks that require high-performance data transfer.
  10. Rotating Proxy: A rotating proxy continuously changes the IP address with each request or at regular intervals. It provides enhanced anonymity, helps avoid IP-based restrictions, and ensures balanced load distribution in large-scale scraping or crawling activities.

How to configure a proxy server in the Kali Linux terminal?

To configure a proxy server in the Kali Linux terminal, follow these steps:

  1. Launch the terminal in Kali Linux.
  2. Open the proxychains configuration file using a text editor. The configuration file is located at /etc/proxychains.conf. You will need root privileges to edit this file. sudo nano /etc/proxychains.conf
  3. In the configuration file, scroll down to the "Dynamic chain" section.
  4. Uncomment the line that says "socks4 9050" by removing the "#" symbol at the beginning of the line. This line enables proxychains to use SOCKS4 proxy server on the localhost ( on port 9050.
  5. Save the configuration file and exit the text editor. In nano, you can press Ctrl+X, then Y, and finally Enter to save the changes.
  6. Now, you can run any command in the terminal using the proxy server by prefixing the command with proxychains. proxychains For example, if you want to use curl command through the proxy server, you can use: proxychains curl This will make the curl command use the proxy server specified in the proxychains configuration file.

Note: By default, Kali Linux does not have a proxy server installed. You will need to set up or connect to a proxy server separately to use it with proxychains.

What is the command to test the connectivity using a proxy in Kali Linux?

To test connectivity using a proxy in Kali Linux, you can use the curl command along with the proxy settings. Here is the command format:

curl -x <proxy-host>:<proxy-port> <target-url>

Replace <proxy-host> with the hostname or IP address of the proxy server and <proxy-port> with the port number used by the proxy. Similarly, replace <target-url> with the URL or IP address you want to test connectivity with.

For example, if your proxy host is and port is 8080, and you want to test connectivity with, the command would be:

curl -x

This command will make a request to the target URL through the specified proxy and display the output.

How to bypass a proxy server in Kali Linux for specific addresses?

To bypass a proxy server in Kali Linux for specific addresses, you can follow these steps:

  1. Open the terminal in Kali Linux.
  2. Edit the proxy configuration file using a text editor. The file is usually located at /etc/environment. Execute the following command to open it with the nano text editor: sudo nano /etc/environment
  3. In the text editor, add the following line at the end of the file: no_proxy="address1, address2, address3" Replace address1, address2, and address3 with the specific addresses you want to bypass the proxy for. Separate multiple addresses with commas.
  4. Save and exit the text editor. In nano, you can press Ctrl+O to save the file, then Ctrl+X to exit.
  5. Apply the changes by reloading the environment variables. Execute the following command: source /etc/environment
  6. Verify if the changes have taken effect by checking the current environment variables. Execute the following command: printenv Look for the no_proxy variable in the list that appears, and ensure that it includes the specific addresses you added.

By following these steps, you should be able to bypass the proxy server for the specific addresses in Kali Linux.

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