>>> On 2/25/2009 at 3:40 PM, Dan Lynch <[email protected]> wrote:
> In that same location (Application Intelligence > Content Protection >
> Malformed PNG), there is a checkbox item below the Action setting
> labeled "Block PNG Buffer Overflow". You may have to scroll the window
> to see it.

Yes, I saw that down there, but it's all greyed out since the
whole item is "inactive." The box not checked anyway.

>> -----Original Message-----
>> From: Mailing list for discussion of Firewall-1 
>> [mailto:[email protected]] On Behalf 
>> Of Crist Clark
>> Sent: Wednesday, February 25, 2009 12:40 PM
>> To: [email protected] 
>> Subject: [FW-1] Disable PNG Buffer Overflow
>> 
>> I'm trying to figure out what in the firewall is generating
>> these false alarms,
>> 
>> Number:                              212994
>> Date:                                24Feb2009
>> Time:                                3:49:21
>> Product:                             SmartDefense
>> Attack:                              PNG Content Protection Violation
>> Attack Information:          PNG Buffer overflow Blocked
>> Interface:                           eth0
>> Origin:                              gibraltar0
>> SmartDefense Profile:        New_Gateways
>> Type:                                Log
>> Action:                              Drop
>> Service:                             http (80)
>> Source:                              83.31.54.217
>> Destination:                 glpconnect-hip (206.220.220.76)
>> Protocol:                            tcp
>> Source Port:                 3205
>> Policy Info:                         Policy Name: 
>> internet-firewalls-combined
>>                                      Created at: Mon Feb 23 
>> 16:03:36 2009
>>                                      Installed from: fwmgr-admin
>> 
>> In SmartDefense I have Application Intelligence>Content
>> Protection>Malformed PNG set to "inactive." But in the
>> information for that item it says,
>> 
>>   Attack Detection:
>> 
>>   SmartView Tracker will log the following entries:
>> 
>>   Attack Name: PNG Content Protection Violation
>> 
>>   Attack Information: Malformed PNG
>> 
>> So although the "Attack Name" matches, the "Attack Information"
>> does not, so I guess I should not be surprised that marking
>> this inactive doesn't stop these false alarms.
>> 
>> So... What is generating these? I cannot seem to find it in
>> the SmartDefense tab in SmartDashboard (they really need a
>> search function for that). I've gone into GuiDBedit, since
>> there is a search function there, and found the "PNG Buffer
>> overflow Blocked" in the "Table>Other>inspect_logs>
>> dynlog_PNG_BUF_OVERFLOW" object, but that's not helping me
>> figure out how to disable the check from SmartDashboard. How
>> do I stop these checks?


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