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How to view the destination IP of a packet when connecting behind a proxy?

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Hi, I am behind a proxy and all the packets that I send have my proxy: 192.168.1.5 as a destination, I do not know how to see their actual destination (destination's IP). Thanks a lot for your help

asked 02 Feb '11, 10:37

intuition_man's gravatar image

intuition_man
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One Answer:

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On the client side you can't see the IP address that the proxy will connect to. However, you can extract the dns name it will connect to in the Host: header of the HTTP request. You can then do the name resolving yourself, but this is no 100% guarantee that the Proxy uses the same address. This is because it:

  • might use a different nameserver that returns a different IP address
  • the same name server might respond with a different IP address to different clients
  • there might be multiple IP addresses returned and you don't know which one the proxy picked

answered 02 Feb '11, 10:42

SYN-bit's gravatar image

SYN-bit ♦♦
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