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3proxy

Free#5 of 34 in Proxy SoftwareForward Proxy Software

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.

8.5/10Editor score
3proxy8.5 Visit 3proxy

At a glance

  • Editor score
    8.5 / 10
  • Pricing
    Free plan
  • Best for
    Free self-hosted multi-protocol proxy servers
  • Free plan
    Yes
  • Paid from
    Free
  • Facts checked
    22 Sep 2026
3proxy screenshot
  • 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

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on 3proxy.org

3proxy fact sheet

Free planYes
Paid fromFree
Proxy networksHTTP, HTTPS, SOCKS4, SOCKS4.5, SOCKS5, FTP, POP3, SMTP, IMAP, DNS, TCP, UDP
IP rotationNot verified
Supported protocolsHTTP, HTTPS, SOCKS4, SOCKS4.5, SOCKS5, FTP, TCP, UDP
Countries coveredNot verified
Concurrent sessionsNot verified
Included bandwidthNot verified
API accessNot verified
DeploymentSelf-hosted
PlatformsWindows, macOS, Linux
SupportEmail, Docs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
PricingFree plan
Website3proxy.org
Facts checked22 Sep 2026

Alternatives to 3proxy

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3proxy vs the competition

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Also Ranked In

3proxy is ranked in 2 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — 3proxy 8.5/10

3proxy is listed in our Proxy Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

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