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Sophos ZTNA issue

Nicola Tassinari

Hi, we have an issue with a resource published throguh ZTNA.

Is an old filserver running on win server 2003 sp2, we created resource on the right gateway (CIFS on port 445), we start connection through ZTNA all is working fine but user cannot authenticate (all other resources are working properly, user can auth when is on office)

There is something in ZTNA which block old resources or so?

Any suggestion?



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  • 0

    Essentially you need to check, what Authentication does not work: If you get an Auth Error by your CIFS, it is an issue related by your ressource. ZTNA offers you a secure tunnel, but not adjust the ressource traffic. So the client to server communication is 100% the same like you are connected directly to the server. 

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  • 0 in reply to LuCar Toni

    So ZTNA havent any problem even with old protocol (as SMB 1.0) ? is just a auth issue

  • 0 in reply to Nicola Tassinari

    Essentially - ZTNA does not care what you are doing inside of the tunnel. 

    You will open a secure connection on Port 445. Then you can do what ever you want there. 

    If you get an Auth Error, this could be multiple reason. Your client does not support the old protocol anymore etc.

    One ZTNA related issue: As you are using a DNS instead of a IP, some apps have a problem with that. This means: You are doing server.local instead of 192.168.1.1, which could (maybe) break an app. 

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  • 0 in reply to Nicola Tassinari

    Essentially - ZTNA does not care what you are doing inside of the tunnel. 

    You will open a secure connection on Port 445. Then you can do what ever you want there. 

    If you get an Auth Error, this could be multiple reason. Your client does not support the old protocol anymore etc.

    One ZTNA related issue: As you are using a DNS instead of a IP, some apps have a problem with that. This means: You are doing server.local instead of 192.168.1.1, which could (maybe) break an app. 

    __________________________________________________________________________________________________________________

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