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UTM 9 - ipv6 NAT with proxy POP3 enabled

Hi,

after having setup succesfully ipv6 behind the UTM9, I face a problem with POP3 when proxy mode is enabled. I have my own server in DC running Dovecot, desktop client behind UTM has his own ipv6 and is running Thunderbird.

When I want to fetch mails, Thunderbird tells "Fetching message 1 of x" and after a while finish in timeout. On the server, netstat -tapen|grep 110 show that the ipv6 address which is fetching mails is the one of external ipv6 interace, which means NAT is done ! If I disable proxy POP3, all is good.

Does this behavior seems normal to you?

Daniel



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  • Right, Daniel - I have to laugh at myself sometimes!

    It does feel like a bug instead of a configuration issue.  Do you have a paid license so that you can ask Sophos Support about this?

    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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