Latest Blog
Why Can a VPN Client Open the NAS Dashboard but Not Reach Its Docker Bridge Subnets?
A VPN-to-Docker diagnosis covering subnet routers, overlapping address ranges, forwarding, NAT, return routes, bridge networks, and home-server validation.
What Causes an IPv6-Only Client to Reach the Login Page but Not Download Files?
An IPv6-only download diagnosis covering PMTUD, ICMPv6 Packet Too Big, MTU cliffs, AAAA records, separate download hosts, and NAT64/DNS64 paths.
Why Does a Reverse Proxy Redirect One App to Another App’s Domain?
A wrong-domain redirect diagnosis covering forwarded Host, scheme, base URLs, redirect middleware, OAuth callbacks, and app canonical URL settings.
What Causes Local DNS to Return the Right IP but the Wrong Service?
A local-DNS diagnosis covering shared NAS IPs, Host headers, TLS SNI, default virtual hosts, split DNS, and reverse-proxy routing.
Why Does an NFS Mount Hang During a Home Router Failover?
An NFS failover diagnosis covering hard mounts, old TCP sessions, route changes, MTU, stuck-mount recovery, and systemd automount behavior.
What Causes Large SMB Writes to Fail While Small Files Copy Normally?
A large-SMB-write diagnosis covering sustained flow behavior, MTU mismatch, client differences, endpoint filtering, NAS allocation, and controlled A/B tests.
Why Does a NAS Transfer Pause Every Few Seconds Over Wi-Fi 6?
A Wi-Fi 6 NAS transfer diagnosis covering retries, roaming, DFS, packet loss, TCP stalls, and repeatable home-network tests.
Why Does a Docker Volume Restore Recreate File Contents but Drop Extended Attributes?
A volume-restore diagnosis covering xattr inventory, tar and Rsync options, namespaces, destination support, privileges, labels, app metadata, and tests.
