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 >> >> >> >> >> > --