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Proxy in Focus

Prince

Member
I was just wondering, how does a proxy server know which request came from which computer? For example, if computer (A) request a webpage from a Proxy (P), and almost at the same time Computer (B) request a webpage from the same Proxy (P). How does Proxy know which webpage to pass to which comptuer? (since both of them using same port like 80)
 
The computers each send packets with information about the computers network card ethernet address. This address is unique for
each network card. The router or proxy server or whatever, remembers where each request came from and passes them along.
 
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