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FTP in transparent mode - issue in download/upload

Hello, 
we are experiencing issue in FTP proxy in both download/uploads. There are frequent disconnection with remote hosts... I don't understand why

this is a part of today log, during this session the file transfer was aborted:
2011:09:30-15:32:27 firewall frox[30537]: Connect from MY_IP_CLIENT_WITH_ISSUE(***.***.***.local)

2011:09:30-15:32:27 firewall frox[30537]: ... to 94.33.2.x()
2011:09:30-15:32:39 firewall frox[30537]: PASV: 94.33.2.x:33409
2011:09:30-15:32:40 firewall frox[30537]: PASV: 94.33.2.x:33410
2011:09:30-15:32:40 firewall frox[30537]: Flushing server buffer
2011:09:30-15:32:40 firewall frox[30537]: id="0101" severity="info" sys="SecureWeb" sub="ftp" name="send file, not scanned" srcip="MY_IP_CLIENT_WITH_ISSUE" dstip="94.33.2.xx" url="aaaa.aaa.aaa/x.zip" user="username" size="0"
2011:09:30-15:32:41 firewall frox[30537]: PASV: 94.33.2.x:33411
2011:09:30-15:35:12 firewall frox[30623]: Connect from yyy.yyy.yyy.yyy(yyy.yyy.yyy.local)
2011:09:30-15:35:12 firewall frox[30623]: ... to zzz.zzz.zzz.zzz()
2011:09:30-15:35:12 firewall frox[30623]: Client closed connection
2011:09:30-15:35:12 firewall frox[30623]: Closing session
2011:09:30-15:37:41 firewall frox[30537]: Connection timed out.
2011:09:30-15:37:41 firewall frox[30537]: Closing session


someone can help me?

Note: the dimension of file was very high so the antivirus check should be bypassed


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Parents
  • Is this behavior new since upgrading to V8, a new configuration or did the old configuration just stop working?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Is this behavior new since upgrading to V8, a new configuration or did the old configuration just stop working?

    Cheers - Bob


    Hi Bob,
    I notice this behaviour since v8 upgrade. I have v8.103... The first times I supposed that there was an issue on remote ftp, now I see that it happens very often. With v7 no issue at all. I upgraded with one touch upgrade
Reply
  • Is this behavior new since upgrading to V8, a new configuration or did the old configuration just stop working?

    Cheers - Bob


    Hi Bob,
    I notice this behaviour since v8 upgrade. I have v8.103... The first times I supposed that there was an issue on remote ftp, now I see that it happens very often. With v7 no issue at all. I upgraded with one touch upgrade
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