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Ricardo_Raza_14's avatar
Ricardo_Raza_14
Icon for Nimbostratus rankNimbostratus
Mar 10, 2014

iRules for DDOS and DNS

Hi, please I need to configure the following parameters: - Packet identification number - Fragment offset - Ports number - TCP sequence parameters and for DNS I need to configure - DNS ID - DNS query count - DNS query - NAPTR

 

I need to configure this parameter for LTM, AFM analize this parameters, I think that I can do this with iRules, is this possible? And please can you help me with the iRule for this parameters?

 

Thanks for your help

 

application delivery
availability
deployment
devops
iRules
LTM
performance

4 Replies

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  • Mohamed_Lrhazi's avatar
    Mohamed_Lrhazi
    Icon for Altocumulus rankAltocumulus
    Mar 10, 2014
    Please clarify what you mean by "need to configure the following parameters". You want to write an iRule that would inspect DNS packets, then do what to them? if X and Y or Z and W, then ...
  • Christian_30338's avatar
    Christian_30338
    Historic F5 Account
    Mar 11, 2014

    Hi can you also confirm what licenses apart from LTM you are running on the device? DNS Express for example?

     

  • Ricardo_Raza_14's avatar
    Ricardo_Raza_14
    Icon for Nimbostratus rankNimbostratus
    Mar 11, 2014
    Hi thats correct I need an iRule that would inspect DNS packets, but in the technical specifications the device have to satisfy the items that I mentioned in the previous comment