Search found 3 matches
- 15 Dec 2025, 13:24
- Forum: Mobile Apps and Desktop Clients
- Topic: [Help] Illegal request / “genuine software” error in TNAS Mobile v2.4.20 with TOS 4.2.40
- Replies: 2
- Views: 398

Re: [Help] Illegal request / “genuine software” error in TNAS Mobile v2.4.20 with TOS 4.2.40
I’m not looking for direct remote access via DDNS or port‑forwarding. I was perfectly happy using TNAS.online’s indirect connection, since it allows remote access without exposing the NAS to the internet — no open ports or public IP access. Switching to DDNS with port forwarding would defeat that pu...
- 15 Dec 2025, 13:04
- Forum: System Configuration
- Topic: How to update an expired SSL certificate?
- Replies: 38
- Views: 10928

Re: How to update an expired SSL certificate?
Hi, I’m on a TNAS-F5-421 with TOS 4.2.40. TNAS.online is running and registered (Regist cloud success), DNS and network to app.terra-master.com are fine, but the HTTPS certificate presented by TNAS.online (tnas.link) has been expired for 63 days. I’ve restarted the online service, nginx, checked dat...
- 03 Nov 2025, 23:58
- Forum: Mobile Apps and Desktop Clients
- Topic: [Help] Illegal request / “genuine software” error in TNAS Mobile v2.4.20 with TOS 4.2.40
- Replies: 2
- Views: 398

[Help] Illegal request / “genuine software” error in TNAS Mobile v2.4.20 with TOS 4.2.40
Hello everyone, I am using a TerraMaster NAS model F5-421 running TOS version 4.2.40. On my Android device I have installed the TNAS Mobile app version v2.4.20. Recently, when attempting to connect remotely and also locally in LAN, I receive the following message: "Illegal request, please use g...