Critical Warning Detected unexpected data in protocol

Discussion in 'ESET Smart Security' started by soeTeam, Jan 13, 2011.

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  1. soeTeam

    soeTeam Registered Member

    Oct 3, 2010
    Windows XP Machine.
    Using latest Smart Security 4.X
    It has two Vlans.
    On one Vlan it is reporting this...
    LEVEL : Critical Warning
    EVENT: Detected unexpected data in protocol
    Source: It shows 5 ip addresses in the same Vlan (each IP on it's own line)
    Target: it shows the same X.X.255.255 where X is the Vlan.
    Protocol: UDP

    I have added these IP's to the trusted Zones and it still reports the Critical Warning.

    Is there anything else I can try.
    I understand that the problem could be something on that network broadcasting somethign via udp.. how do I get it to NOT report the Critical error?
  2. TyeF

    TyeF Former Eset Moderator

    Feb 19, 2010

    To determine what part of the payload is generating this error, an examination of a packet capture is probably required. Please contact ESET Customer Care for assistance.

    You can capture the flagged packets by following the instructions in ESET knowledgebase article:

    How to activate special logging of the Personal firewall
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