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google-authenticator codes not working while emergency scratch codes do it right



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)
Come Celebrate our 10 Year Anniversary!ssh with passphrase, fallback to Google Authenticator Git github not working with google authenticator OSXTrying to get SSH with public key (no password) + google authenticator working on Ubuntu 14.04.1Google Authenticator - generate new set of emergency codesWhat is the right way to back up google authenticator emergency keys?Google-2fa: How to recover an account when emergency codes are not available?SSH Google Authenticator Ignore/Whitelist ipsGoogle Authenticator FreeRADIUSGoogle Authenticator on NginxGoogle authenticator on Windows





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Installing google-authenticator on a Debian behind another Debian firewall in a very restricted configuration on connectivity
(NetinVM, a virtual machine constellation inside a VM)



Installation goes OK
Synchronisation with phone app OK
SSH connection ask for codes OK
but phone generated codes do NOT work
tried with Emergency scratch codes, it goes OK



I analyse traffic on server (machine with ssh and g-auth), client, and firewall machine, no one of them shows sings of any intentions of connection to google servers. But I presume it should exist, isn't it ?



Any help on this matter ?









share







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    0















    Installing google-authenticator on a Debian behind another Debian firewall in a very restricted configuration on connectivity
    (NetinVM, a virtual machine constellation inside a VM)



    Installation goes OK
    Synchronisation with phone app OK
    SSH connection ask for codes OK
    but phone generated codes do NOT work
    tried with Emergency scratch codes, it goes OK



    I analyse traffic on server (machine with ssh and g-auth), client, and firewall machine, no one of them shows sings of any intentions of connection to google servers. But I presume it should exist, isn't it ?



    Any help on this matter ?









    share







    New contributor




    pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      Installing google-authenticator on a Debian behind another Debian firewall in a very restricted configuration on connectivity
      (NetinVM, a virtual machine constellation inside a VM)



      Installation goes OK
      Synchronisation with phone app OK
      SSH connection ask for codes OK
      but phone generated codes do NOT work
      tried with Emergency scratch codes, it goes OK



      I analyse traffic on server (machine with ssh and g-auth), client, and firewall machine, no one of them shows sings of any intentions of connection to google servers. But I presume it should exist, isn't it ?



      Any help on this matter ?









      share







      New contributor




      pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      Installing google-authenticator on a Debian behind another Debian firewall in a very restricted configuration on connectivity
      (NetinVM, a virtual machine constellation inside a VM)



      Installation goes OK
      Synchronisation with phone app OK
      SSH connection ask for codes OK
      but phone generated codes do NOT work
      tried with Emergency scratch codes, it goes OK



      I analyse traffic on server (machine with ssh and g-auth), client, and firewall machine, no one of them shows sings of any intentions of connection to google servers. But I presume it should exist, isn't it ?



      Any help on this matter ?







      ssh debian security google-authenticator





      share







      New contributor




      pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 5 mins ago









      pGrnd2pGrnd2

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      pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      pGrnd2 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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