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sanjayrjain
sanjayrjain
Last Activity: Mar 2 '10, 05:16 AM
Joined: Feb 24 '10
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  • sanjayrjain
    started a topic Capture the UDP packets
    in Python

    Capture the UDP packets

    Hi ,

    I'm using python 2.3 version which is a default version present in linux 4.4.
    I have few queries w.r.t python:

    1) How can capture the UDP packet and read the TTL value from it?
    usually i did manually using tcpdump tool. But now i want to automate it using a python script. Is it possible to achieve this ? If yes , how?
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    • sanjayrjain
      replied to Read the Packet header Information
      in Python
      I'm getting using socket library.

      Something like this:

      [code=python]
      sock = socket.socket(s ocket.AF_INET, socket.SOCK_DGR AM, socket.IPPROTO_ UDP)
      sock.setsockopt (socket.SOL_SOC KET, socket.SO_REUSE ADDR, 1)
      sock.bind(('', rec_port))
      print "Connected to Destination Host named:", rec_hostname

      # Set some more multicast options
      mreq = struct.pack('4s l', socket.inet_ato n(rec_hostname) ,...
      See more | Go to post
      Last edited by bvdet; Feb 25 '10, 02:12 PM. Reason: Add code tags

        Leave a comment:

      • sanjayrjain
        started a topic Read the Packet header Information
        in Python

        Read the Packet header Information

        Hi,

        How can i read the packet header information like Source address , destination address, TTL value from a UDP Packet in python.
        See more | Go to post
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