Linux cli command proxychains4

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command proxychains4 and provides detailed information about the command proxychains4, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the proxychains4.

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NAME 🖥️ proxychains4 🖥️

redirect connections through proxy servers

SYNOPSIS

proxychains4 –help
proxychains4 [ -f configfile.conf ] <program>

DESCRIPTION

This program forces any tcp connection made by any given tcp client to follow through proxy (or proxy chain). It is a kind of proxifier.

It acts like sockscap / premeo / eborder driver (intercepts TCP calls).

This version (v4) supports SOCKS4, SOCKS5 and HTTP CONNECT proxy servers. Auth-types: socks - “user/pass” , http - “basic”.

When to use it?

  1. When the only way to get “outside” from your LAN is through proxy server.

  2. When you are behind restrictive firewall which filters outgoing connections to some ports.

  3. When you want to use two (or more) proxies in chain:
    like: your_host <–> proxy1 <–> proxy2 <–> target_host

  4. When you want to “proxify” some programs with no proxy support built-in (like telnet).

  5. When you don’t want to pay for eBorder / premeo socks driver :)

Some cool features:

  • This program can mix different proxy types in the same chain. For instance:

    your_host <–>socks5 <–> http <–> socks4 <–> http <–> target_host

  • Different chaining options are supported. For instance:

    • take random proxy from the list

    • chain proxies in exact order

    • chain proxies in dynamic order (smart exclude dead proxies from chain)

  • You can use it with any TCP client application, even network scanners. Yes, yes - you can make portscan via proxy (or chained proxies) for example with Nmap scanner by fyodor (www.insecure.org/nmap).

proxychains nmap -sT -PO -p 80 -iR (find some webservers through proxy)

NOTE: to run suid/sgid programs(like ssh) through proxychains you have to be root

FILES

proxychains looks for config file in following order:

file listed in environment variable PROXYCHAINS_CONF_FILE or provided as a -f argument to proxychains script or binary.
./proxychains.conf
$(HOME)/.proxychains/proxychains.conf
/etc/proxychains.conf
/etc/proxychains4.conf

More information is provided in /etc/proxychains4.conf file.

EXAMPLES

To run this program the standard way type:
proxychains telnet targethost.com

In this example, it will run telnet through proxy(or chained proxies) specified by proxychains.conf.

To run this program with custom configuration file:
proxychains -f /etc/proxychains-other.conf telnet targethost2.com

In this example, it will use a different configuration file as specified to connect to targethost2.com host.

COPYING

proxychains is distributed under the GNU General Public License. (GPL 2.0 or greater).

SEE ALSO

https://github.com/rofl0r/proxychains-ng

AUTHORS

The original author is:

Net Creature, Proxy Labs
<http://proxychains.sourceforge.net>

This manual page was updated by Boyuan Yang for the Debian Project (and may be used by others).

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