Yup, happens to me too. Bart proxies just die mid-session.
Two things that helped:
1. Use a proxy checker tool (like Proxy6) to test IPs before using them.
2. Switch to mobile proxies if possible—they get blocked less.
Two things that helped:
1. Use a proxy checker tool (like Proxy6) to test IPs before using them.
2. Switch to mobile proxies if possible—they get blocked less.
