Hi Chaitanya,

AFAIK, no.
I think a path to accomplish this is through the addition of some extension
to switch, I mean, extending openvswitch or ofsoftswitch13 to match the L4
payload
and do some action.

If you or someone else figure out another way on how to do that, please
share!

--
Att
Lucas Brasilino
MSc Student @ Federal University of Pernambuco (UFPE) / Brazil
twitter: @lucas_brasilino

2015-04-04 2:27 GMT-03:00 chaitanya tanwar <chaitanya.tan...@gmail.com>:

> Thanks lucas!
> One more doubt, is there a way i can do this on switch only, by pushing
> rules of match-action pair to switch from controller, where in "action" i
> perform these kind of checks?
>
> Regards.
>
> On Fri, Apr 3, 2015 at 8:22 PM, Lucas Brasilino <lr...@cin.ufpe.br> wrote:
>
>> Hi
>>
>> I'm assuming that the packet's payload you referrer is L4 payload, i.e.,
>> application layer protocol. In this regards, OpenFlow specifies[1] matches
>> up to L4 fields.
>>
>> What you can do is to send the packet arriving to switch to Pox. To do
>> this, you might take a look at
>> Pox's FAQ "How do I get switches to send complete packet payloads to the
>> controller?"
>>
>>
>> [1]
>> https://www.opennetworking.org/technical-communities/areas/specification
>>
>>
>> --
>> Att
>> Lucas Brasilino
>> MSc Student @ Federal University of Pernambuco (UFPE) / Brazil
>> twitter: @lucas_brasilino
>>
>>
>>
>>
>> 2015-03-25 18:48 GMT-03:00 Chaitanya Tanwar <chaitanya.tan...@gmail.com>:
>>
>> >
>> > Hi all,
>> >
>> > How can we read a packet's payload when it arrives at switch and do
>> actions on the basis of payload content?
>> > What if the traffic is https/tls,can we still read the payload?
>> >
>> > Thanks and Regards
>> > Chaitanya Tanwar
>>
>>
>>
>>
>>
>


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