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AD Auth - received ntlmpkt with invalid signature

beth
Hi,

After i got a user authentication pop up (IE) serverll times i found this error 
"received ntlmpkt with invalid signature"
in the Content Filter log - but i can´t find any documantation.

does anybody know what the problem could be?

thx
tom


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  • 0
    According to BruceKConvergent: "If you don't use a FQDN to connect to the proxy, NTLM is what is used to authenticate [...]." So, in the browser's proxy configuration, try using an FQDN instead of the IP of "Internal (Address)".  That will cause authentication with Kerberos.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    According to BruceKConvergent: "If you don't use a FQDN to connect to the proxy, NTLM is what is used to authenticate [...]." So, in the browser's proxy configuration, try using an FQDN instead of the IP of "Internal (Address)".  That will cause authentication with Kerberos.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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