Shadowsocks vs OpenVPN
A detailed comparison to help you choose between Shadowsocks and OpenVPN.
Shadowsocks Encrypted proxy designed for bypassing censorship. | OpenVPN Battle-tested open-source VPN protocol. | |
|---|---|---|
| Rating | 4.3 (122 reviews) | 4.5 (386 reviews) |
| Pricing Model | free | free |
| Starting Price | Free | Free |
| Best For | Best for users seeking privacy and security tools | Best for users seeking reliable VPN protection for online privacy |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | — | — |
Shadowsocks
Pros
- + Free and open-source protocol ecosystem
- + Modern AEAD ciphers are documented and recommended
- + SIP003 plugins enable obfuscation and transports
- + Can proxy both TCP and UDP traffic
- + Flexible self-hosting and deployment options
- + Lightweight compared to many full VPN tunnels
Cons
- - Not a turnkey VPN service or subscription
- - Privacy/logging depends on your server and host
- - Not automatically a full-device tunnel
- - Some implementations have had security advisories
- - Blocking resistance varies with configuration
OpenVPN
Pros
- + Open-source GPL core with public code
- + Free Access Server tier supports two connections
- + DCO kernel offload improves Access Server performance
- + Independent OpenVPN code audits published
- + Works with OpenVPN-protocol compatible servers
Cons
- - OpenVPN Connect is not a VPN service
- - Free tier capped at two simultaneous connections
- - Privacy depends on server operator and configuration
- - Performance varies without DCO and tuning
- - Third-party apps may bundle outdated OpenVPN code
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