Proxy Switch Guide: Tools and Best Practices for Switching IPs

type Proxy struct {   Addr string   Score float64   LastSeen time.Time } func getProxy() Proxy { /* select best-scored proxy */ } func report(addr string, status bool) { /* adjust score */ } 

Deployment & scaling tips

• Use a distributed datastore (Redis) for state if you run multiple manager instances.
• Rate-limit manager API to prevent exhaustion.
• Use TLS for manager-client communications and encrypt credentials at rest.
• Keep a warm spare pool to replace failing proxies quickly.

Security and privacy considerations

• Store proxy credentials securely (vaults or secrets manager).
• Rotate credentials and tokens periodically.
• Be aware of legal/ethical considerations—scraping protected content or bypassing restrictions may violate terms of service or laws.
• For sensitive workflows, avoid logging full request bodies that may contain personal data.

Troubleshooting common problems

• High failure rate: run health checks, remove bad proxies, verify authentication.
• Slow responses: measure latency, prefer lower-latency proxies, or use geographic targeting.
• Captchas and blocks: use residential/mobile proxies, slow request rate, or solve captchas via third-party services.
• Credential errors: ensure encoding/URL format is correct and check provider dashboard.

Example scoring algorithm (simple)

Score = w1(success_rate) – w2(avg_latency_ms/1000) – w3*(error_rate)

Where w1, w2, w3 are tuned weights. Use exponential moving averages to smooth measurements.

Final checklist before production

• Implement health checks and scoring.
• Add exponential backoff and retry strategies.
• Securely store and rotate credentials.
• Monitor metrics and set alerts for elevated error rates.
• Ensure compliance with target site terms and applicable laws.

If you want, I can: provide a complete production-ready proxy manager codebase (Python/Go/Node), create a Docker-compose deployment, or tailor scripts for a specific proxy provider — tell me which language or provider you prefer.