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Re: port knocking

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On 6/19/2018 10:04 PM, basti wrote:
> Hello,
> I try use use port knocking and would be happy to do this in ssh config
> file.
> 
> To open the port I can use ProxyCommand with an wrapper script like
> 
> ProxyCommand bash -c 'wrapper.sh %h port1 port2 ... portX; nc %h %p'
> 
> so far so good.
> 
> But if I understand port knocking in the right way I must close the port
> after disconnect?
> 
> I havened found a way for this like post-connect in ssh config.
> 
> Has anyone a suggestion how it can be implemented?
> 

Any reasons why you can't let your firewall handle the port nocking 
functionality?

-- 
John Doe

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port knocking basti <mailinglist@unix-solution.de> - 2018-06-19 22:10 +0200
  Re: port knocking john doe <johndoe65534@mail.com> - 2018-06-19 22:30 +0200
    Re: port knocking basti <mailinglist@unix-solution.de> - 2018-06-19 22:40 +0200
      Re: port knocking john doe <johndoe65534@mail.com> - 2018-06-19 22:50 +0200
    Re: port knocking basti <basti@unix-solution.de> - 2018-06-19 23:20 +0200

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