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Uplink Balancing => FTP passive mode fail

Hi there,

since the change from two single WAN internet connections to uplink balancing we have problems to connect to our FTP server in passive mode.

Old setup:

  • 2 WAN Connections
  • 2 Firewall rules: Any => ftp & ftp passive => ftp server
  • 2 DNAT entries: 
    Traffic selector: Any → FTP → External internet (Address)
    Destination translation: ftp server  →  FTP


Worked like a charm [:D]

Our new setup:
Firewall rules and DNAT entries weren´t changed.
We combined the two internet connections with uplink balancing. We can reach the ftp server in active mode, but as soon as we set the "PASV" command, our connection breaks. Seems like the ftp server can´t reach the external internet connect through upload balancing.

Does somebody know the reason / fix?

Thanks in advance [:)]


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Parents
  • I wonder if this isn't a bug that just appeared and that you are the first to discover it.  If this is not a home-use license, please open a ticket with Sophos Support.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • I wonder if this isn't a bug that just appeared and that you are the first to discover it.  If this is not a home-use license, please open a ticket with Sophos Support.

    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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