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Firewall vs. Proxy Server

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by pams

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In basic terms, what is the difference in what a Proxy server does and what a firewall does in terms of security? Please explain.

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by techpk

We can say " Proxy Server " is one type of Firewall ..
other kinds could be ..

1 - Packet filter
2 - Application gateway
3 - Circuit-level gateway

In case of FireWall, it Intercepts all messages entering and leaving the network. Also, Firewalls can be implemented in both hardware and software, or a combination of both.

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