Last updated: | Verified by GetFreeProxy Team
| IP Address | Port | Protocol | Country | Anonymity | SSL | Speed | Uptime | Last Checked | Details | |
|---|---|---|---|---|---|---|---|---|---|---|
| 8.148.23.202 | 9999 | socks4 | 🇸🇬Singapore | Elite | No | No | 3.57s | 2% | View | |
| 149.129.255.179 | 4002 | socks4 | 🇮🇩Indonesia | Elite | No | No | 3.95s | 2% | View | |
| 47.237.2.245 | 4145 | socks4 | 🇸🇬Singapore | Elite | No | No | 3.19s | 2% | View | |
| 8.148.23.165 | 8081 | socks4 | 🇸🇬Singapore | Elite | Yes | No | 3.07s | 10% | View |
Expert Analysis by GetFreeProxy Team | Updated August 2025
SOCKS4 is a Layer 5 protocol designed for routing TCP traffic through proxy servers, making it application-agnostic. While it's an older protocol, it remains useful for specific legacy applications and scenarios.
Protocol Comparison by GetFreeProxy Team | Updated August 2025
Understanding the difference between SOCKS4 and SOCKS5 is crucial for choosing the right proxy for your needs. Here's an honest comparison:
| Feature | SOCKS4 | SOCKS5 |
|---|---|---|
| TCP Support | ✅ Yes | ✅ Yes |
| UDP Support | ❌ No | ✅ Yes |
| Authentication | ❌ No | ✅ Yes |
| IPv6 Support | ❌ No | ✅ Yes |
| DNS Resolution | Client-side only | Server-side available |
When to use SOCKS4: You should only use a SOCKS4 proxy if you are using an older, legacy application that does not support the more advanced SOCKS5 protocol. For all modern applications, we recommend using SOCKS5 proxies instead.
Real-World Use Cases by GetFreeProxy Team | Updated August 2025
Based on our experience with thousands of users, SOCKS4 proxies are primarily used for these specific scenarios:
SOCKS4 proxies don't resolve domain names themselves. Your application must send the IP address directly to the proxy. This is a common limitation that often causes connection issues with legacy applications. Consider using SOCKS4A (an extension) or upgrading to SOCKS5 for server-side DNS resolution.
No. SOCKS4 lacks UDP support, making it unsuitable for most real-time entertainment applications. Games and streaming services typically require UDP for optimal performance. For gaming or streaming, use SOCKS5 proxies instead.
SOCKS4A is an extension of SOCKS4 that adds server-side DNS resolution capability. This means you can send domain names instead of IP addresses. While not all SOCKS4 proxies support SOCKS4A, it's a useful enhancement for legacy applications that need domain name support.
For modern applications and better functionality, consider these alternative proxy types: