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How to Verify a Reverse Proxy Is Sending the Correct Client IP
A controlled client-IP test for single and multi-proxy paths that validates header creation, trusted-hop parsing, backend logs, IPv6, and spoof resistance.
What Causes Web Access to Work While Mobile App Sync Fails?
Separates browser success from mobile API, WebDAV, certificate, proxy, token, background-permission, network-policy, and upload-path failures.
Why Does Remote Sync Recopy an Entire Folder After Reconnecting?
A reconnect-focused sync test that separates real changes from lost indexes, metadata drift, remounted storage, rename detection, and database damage.
Why Does Remote SMB Stall When a Laptop Switches Networks?
A network-change SMB test that separates expected session loss from stale routes, DNS, VPN path changes, multichannel behavior, and driver faults.
What Are the Warning Signs That a Tunnel Relay Is Limiting Throughput?
Separates relay limits from ISP upload, encryption, MTU, and storage bottlenecks using path status, direct-path controls, latency, jitter, and sustained tests.
How to Trace a Remote File Transfer That Fails at the Same File Size
A fixed-boundary transfer test that separates hard size limits from timeouts, storage limits, proxy caps, protocol behavior, and post-upload processing.
Why Does a Private Cloud Login Loop Appear Only Outside the Home Network?
A remote-path login test that separates successful credential checks from lost session cookies, wrong proxy headers, callback mismatches, and canonical URLs.
Can Carrier-Grade NAT Block Self-Hosted Access Even With Port Forwarding?
Explains why a correct home-router forward cannot cross an ISP-owned NAT and how to verify CGNAT before choosing public IP, IPv6, tunnel, relay, or VPN.
