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Can anyone tell me if proxychains-ng has limitations to work with nmap? I found that it does not work well when using -sV option in nmap. (stop at "Initiating NSE at ..." and never finish the scan) Does anyone have a solution to this issue? By the way, I am using socks4 server for proxychains and default configuration file.(only changed local port).

Thanks.

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  • I have used nmap in privileged mode with -- github.com/rofl0r/proxychains-ng -- and had zero issues, including with version detection. If I were to take a guess, it sounds like a bad proxychains.conf file
    – atdre
    Mar 10, 2015 at 17:09
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    Could you tell me how you configured your proxychains.conf file? I just used default configuration. Or could you recommend any helpful materials for me to read?
    – Yang Yu
    Mar 10, 2015 at 21:42
  • I had almost exactly this -- github.com/rofl0r/proxychains-ng/blob/master/src/… -- except the last line. I had "http proxyservername 8080 username passwordsecret" instead of "socks4 127.0.0.1 9050"
    – atdre
    Mar 10, 2015 at 22:11

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I am not aware of any problems with the use of proxychains-ng and Nmap, but to be sure that Nmap is not trying to do any raw socket or packet capture operations that are incompatible with proxychains-ng, you should use the --unprivileged option. Additionally, since version 6.40, Nmap has supported proxies natively with the --proxies option, which covers the -sV option and NSE scripts, but not the host discovery, port scan, OS scan, or traceroute functions.

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