[MacPorts] #31919: add ProxyChains to the ports tree

[MacPorts]

#31919: add ProxyChains to the ports tree
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 Reporter:  fyodor.vassiley@…                            |       Owner:  macports-tickets@…                   
     Type:  request                                      |      Status:  new                                  
 Priority:  Low                                          |   Milestone:                                       
Component:  ports                                        |     Version:                                       
 Keywords:  ProxyChains CEHv7 anonymous proxy tunneling  |        Port:  ProxyChains                          
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 http://proxychains.sourceforge.net/

 About proxychains tool:
      * It's a proxifier.
      * Latest version: 3.1
      * Dedicated OS: Linux and other Unices.
      * Allows TCP and DNS tunneling through proxies.
      * Supports HTTP, SOCKS4 and SOCKS5 proxy servers.
      * Different proxy types can be mixed in the same chain.
      * Proxy chain: user-defined list of proxies chained together.

 Usability :
      * Run any program through proxy server.
      * Access the Internet from behind a restrictive firewall.
      * Hide your IP
      * Run SSH, telnet, wget, ftp, apt, vnc, nmap through proxy servers.
      * Access Intranets (192.168.*.*/10.*.*.*) from outside through
 reverse proxy.

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Ticket URL: <https://trac.macports.org/ticket/31919>
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