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Traffic Anomaly on one of the interfaces

Hello guys, I have a problem like this, one of the interfaces Sophos UTM 9201-23, it generates a flood of incoming traffic that sends me into the network block (see attachment). 

So the question is, at the level of the log, reports the firewall there is something I can be of help to understand what type of traffic and where they come from these megabytes of data? 

Obviously, I am also analyzing the web server that is located on the vlan 30 that is compromised. 

Thank you for your help.


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  • Web Protection>Application Control>Flow Monitor (for the appropriate interface)

    Command line: iftop, tcpdump
  • Frank, if you need more help with this, please edit your post, click on [Go Advanced] and replace your external link to imgur with a picture attached to your post.  I don't click on external links that I don't know.

    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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