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SSH jumping over socks(4/5) proxy chain. Host -> socks proxy -> socks proxy -> destination

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http://unix.stackexchange.com – I got a great answer for my previous question about connecting from Machine A to Machine C via Socks proxy located on Machine B. Say Machine B Ip is 218.62.97.105 and it is listening on port 1080 The command for that: ssh -o ProxyCommand='socat - socks:218.62.97.105:HOST_C:21,socksport=1080' I wonder if it is possible to make a chain from the socks proxies. Consider scenario: Machine A -> Machine B (Socks proxy 1) -> Machine C (Socks proxy 2) -> Machine D (destination) Machine B IP: 218.62.97.105 PORT 1080 Machine C IP: 11.11.11.11 PORT 3128 Machine D IP: 55.55.55.55 PORT 8080 (HowTos)