A practical proxy latency spike checklist for separating DNS lookup time, proxy connect time, TLS handshake, target response, retries, and real route quality before rotating IPs.
A practical proxy protocol mismatch checklist for teams separating HTTP, HTTPS, SOCKS5, authentication, DNS mode, and client support problems from real IP quality issues.
A practical proxy credential inventory checklist for teams that need to keep ports, protocols, regions, client settings, and ownership records aligned before scaling work.
Use this proxy error log template to record endpoint, client, DNS, location, latency, status code, and session evidence before replacing IPs.
Proxy timeout and connection refused errors need different fixes. Use this diagnostic order to check endpoint, protocol, DNS, authentication, client behavior, target limits, and proxy pool quality before rotating IPs.
Fix 407 Proxy Authentication Required by checking proxy endpoint, credentials, auth method, URL encoding, and client proxy settings before changing IPs.
