A proxy server sits between your device and the internet, forwarding your requests on your behalf. The destination sees the proxy's address instead of yours — but that's often where the similarity to a VPN ends.
How the forwarding actually works
When you're configured to use a proxy, your application sends its request to the proxy server instead of directly to the destination. The proxy then makes the request on your behalf and relays the response back. To the destination site, the request appears to originate from the proxy's IP address. Depending on the proxy type, this can happen at the level of a single application (a browser configured to use a proxy) rather than your entire device's network traffic, which is the first major difference from a VPN.
What a proxy does not do by default
Unlike a VPN tunnel, a plain proxy typically doesn't encrypt the traffic between your device and itself — an HTTP proxy, in particular, may forward plaintext by default. If you're connecting to an HTTPS site through the proxy, that connection's own encryption (TLS) still applies end-to-end; the proxy is a relay, not a decryption point, for a properly configured HTTPS tunnel. But the proxy protocol itself carries no blanket encryption guarantee the way a VPN's tunnel does.
Common proxy types, briefly
- HTTP proxies — forward web requests specifically, commonly used for browser traffic.
- SOCKS5 proxies — more general-purpose, can forward traffic for a wider range of applications and protocols.
- Residential proxies — route through IP addresses registered to real residential ISPs, often used specifically because that classification is harder for a destination site to flag.
- Datacenter proxies — route through hosting-provider IP ranges; fast and predictable, but easier for a destination site to classify as non-residential traffic.
Proxy vs VPN, in one sentence
A VPN protects your whole device's traffic with an encrypted tunnel by design; a proxy redirects traffic — often for a single application — and leaves encryption to whatever protocol you're already using (like HTTPS), not the proxy itself. See Proxy vs VPN for a fuller comparison of when each fits.
FAQ
Can a website detect that I'm using a proxy?
Often, yes — proxy IP ranges, especially datacenter ones, tend to have identifiable network-ownership signals. NetRiskScan's IP Risk Check surfaces the same kind of classification a destination site might use.
Is a "residential proxy" the same as a normal home internet connection?
Not exactly — it's traffic routed through an IP address registered to a residential ISP, but the actual routing and the party controlling that address can vary widely by provider. Residential classification isn't automatically a guarantee of trustworthiness or consent from whoever's connection is being used.
Do I need a proxy and a VPN?
Rarely both at once for typical personal use — they solve overlapping problems in different ways, and stacking them mainly adds complexity and latency rather than meaningfully more protection for most people.