RELAY

cleartext relay

{"mode":"relay", "args": {"listen":"1.1.1.1:1111", "target":"2.2.2.2:2222"}}

  client ------TCP------> [relay ------TCP------> server
                       listen target

encrypted relay

{"mode":"inner", "args": {"listen":"1.1.1.1:1111", "target":"2.2.2.2:2222", "secret":"0123456789abcdef"}}
{"mode":"outer", "args": {"listen":"2.2.2.2:2222", "target":"3.3.3.3:3333", "secret":"0123456789abcdef"}}

  client ------TCP------> [inner ======TCPS======> [outer ------TCP------> server
                       listen target            listen target

REVERSE RELAY

cleartext reverse relay

{"mode":"finder", "args": {"listen":"1.1.1.1:1111", "target":"2.2.2.2:2222", "secret":"123456"}}
{"mode":"mapper", "args": {"listen":"2.2.2.2:2222", "target":"3.3.3.3:3333", "secret":"123456"}}

  server <------TCP------ finder <------TCP------>> [mapper] <------TCP------ client
                      listen  target             listen  target

encrypted reverse relay

{"mode":"broker", "args": {"listen":"1.1.1.1:1111", "target":"2.2.2.2:2222", "secret":"0123456789abcdef"}}
{"mode":"router", "args": {"listen":"2.2.2.2:2222", "target":"3.3.3.3:3333", "secret":"0123456789abcdef"}}

  server <------TCP------ broker <======TCPS======>> [router] <------TCP------ client
                      listen  target              listen  target

PROXY

cleartext proxy

{"mode":"http", "args": {"listen":"1.1.1.1:8080"}}

  client ------TCP------> [http ~~~~~~TCP~~~~~~> server
                       listen

{"mode":"sock", "args": {"listen":"1.1.1.1:1080"}}

  client ------TCP------> [sock ~~~~~~TCP~~~~~~> server
                       listen

encrypted proxy

{"mode":"https", "args": {"listen":"1.1.1.1:8080", "target":"2.2.2.2:2222", "secret":"0123456789abcdef"}}
{"mode":"socks", "args": {"listen":"1.1.1.1:1080", "target":"2.2.2.2:2222", "secret":"0123456789abcdef"}}
{"mode":"agent", "args": {"listen":"2.2.2.2:2222", "secret":"0123456789abcdef"}}

  client ------TCP------> [https ======TCPS======> [agent ~~~~~~TCP~~~~~~> server
                       listen target            listen

  client ------TCP------> [socks ======TCPS======> [agent ~~~~~~TCP~~~~~~> server
                       listen target            listen