Submitted Questions

  • Port number and Protocol number

    What is Port Number and Protocol Number?


    • Apr 15th, 2016

    Protocol works on L-4 and protocol no thus gives the information of which protocol is being used for sending data over the inter-network. Eg : ESP (protocol no 50), AH(protocol no 51), ICMP (protocol ...


    • Dec 27th, 2014

    Os use some nos. to identify any protocol.These nos. are called port nos.