3proxy
3proxy: A flexible self-hosted proxy server for administrators managing many protocols and traffic rules. Ranked #5 of 34 in Proxy Software by our editors (8.5/10); pricing: Free plan; best for free self-hosted multi-protocol proxy servers.
At a glance
- Editor score8.5 / 10
- PricingFree plan
- Best forFree self-hosted multi-protocol proxy servers
- Free planYes
- Paid fromFree
- Facts checked22 Sep 2026

Where it wins
- Supports HTTP, HTTPS, SOCKS, FTP, mail, DNS, TCP and UDP proxying
- Adds ACLs, authentication, filtering, traffic limits and proxy chaining
- Runs on Windows, macOS, Linux and self-hosted deployments
Where it doesn't
- Requires self-hosting and administrator-led configuration
- Does not provide a hosted proxy network or location targeting
- Includes no AI-assisted features
Our verdict on 3proxy
3proxy is a free, open-source proxy server for administrators who need to route and control network traffic through self-hosted gateways. It supports Windows, macOS, Linux and self-hosted deployments, and can operate as a standalone service or as multiple configured gateway services. Its audience is technical teams managing internal users, controlled access to internal resources, or varied network protocols from one configurable system.
Its main strength is breadth. 3proxy covers HTTP and HTTPS proxying, FTP-over-HTTP, SOCKS4, SOCKS4.5 and SOCKS5, POP3, SMTP, IMAP, FTP, DNS caching, DNS-over-TCP, and TCP and UDP port mapping. Administrators can apply access-control lists, authentication, request filtering, bandwidth and traffic-volume limits, proxy chaining, and parent-proxy routing. Logging can use files, syslog or ODBC, while the web administration service supports configuration reloads. That combination makes it suited to environments where policy control and protocol coverage matter more than a simple browser proxy.
The trade-off is operational scope. 3proxy is software to deploy and administer, not a hosted proxy network with country coverage, included bandwidth, concurrent-session quotas or IP-rotation options. It also has no AI features. Choose it when free, open-source control and multi-protocol routing are priorities; choose a hosted proxy service instead when the requirement is managed infrastructure, location targeting or network-level rotation.
Your product? Our editors can test 3proxy in depth and publish a review, labelled as paid · from $149/mo →
3proxy pricing
3proxy fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Proxy networks | HTTP, HTTPS, SOCKS4, SOCKS4.5, SOCKS5, FTP, POP3, SMTP, IMAP, DNS, TCP, UDP |
| IP rotation | Not verified |
| Supported protocols | HTTP, HTTPS, SOCKS4, SOCKS4.5, SOCKS5, FTP, TCP, UDP |
| Countries covered | Not verified |
| Concurrent sessions | Not verified |
| Included bandwidth | Not verified |
| API access | Not verified |
| Deployment | Self-hosted |
| Platforms | Windows, macOS, Linux |
| Support | Email, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | 3proxy.org |
| Facts checked | 22 Sep 2026 |
Alternatives to 3proxy
- Apache Traffic ServerA self-hosted proxy for caching, TLS termination, traffic control, and extensibility.9.3
- SquidA focused open-source choice for caching, reverse proxying, and traffic control.9.1
- PrivoxyA free, open-source proxy for detailed web filtering across desktop systems.8.7
3proxy vs the competition
- 3proxy vs Apache Traffic Server
- 3proxy vs Squid
- 3proxy vs Privoxy
- 3proxy vs mitmproxy
- 3proxy vs Proxy-Seller
- 3proxy vs IPRoyal
Compare 3proxy with any tool side by side →
Also Ranked In
3proxy is ranked in 2 of our directories.
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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