+A proxy server functions as an intermediary, relaying requests between a [Client](/wiki/client) and another [Server](/wiki/server). It can enhance security, filter content, or boost performance through data caching. This digital "middleman" also has the ability to obscure a user's true network address.
+## See also
+- [Network](/wiki/network)
+- [Firewall](/wiki/firewall)
+- [VPN](/wiki/vpn)
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