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  1. H

    Downgraded firmware after power lost

    Hi, so nothing special happened last week. Log is clear, only DHCP related messages. I'm curious what will happen after next system update.
  2. H

    Downgraded firmware after power lost

    Any chance to map jffs partition to USB stick or something? I tried search some tool it can test and mark bad blocks, but no great success. There is a question if controller of that mem has some wear leveling. If not, there is a chance that worn cells are only over a part of chip. Well, I...
  3. H

    Downgraded firmware after power lost

    Is this can be the problem? Aug 5 22:54:42 kernel: jffs2_flush_wbuf(): Write failed with -5 Aug 5 22:54:42 kernel: Recovery of wbuf succeeded to 00460000 Aug 5 22:54:42 kernel: Write of 946 bytes at 0x00fbefb0 failed. returned -5, retlen 0 Aug 5 22:54:42 kernel: Not marking the space at...
  4. H

    Downgraded firmware after power lost

    So complete power off, wait, power switch on with disconnected power cord, wait, power on... 5G wifi is back. Reboot only didn't help.
  5. H

    Downgraded firmware after power lost

    Absolutely not possible for browser cache issues. But thanks for your idea.
  6. H

    Downgraded firmware after power lost

    It's 4 and half years old. I admit that it could be entitled to die. Wear on flash memory? Maybe too hot weather here. But that would probably not be related to that downgrade.
  7. H

    Downgraded firmware after power lost

    Now it suddenly disables 5G wifi. Probably some IT bad aura here... LOL
  8. H

    Downgraded firmware after power lost

    OK, thanks for advice. No USB, no samba, no unusual services. Only ssh, https, one AES-128-CBC OpenVPN client and Asus.com DynDNS.
  9. H

    Downgraded firmware after power lost

    No downgrade today :) It seems, that something blocks ssh in some moment but I dont know why. When it happened I saw slowdown of https web gui - some queries didnt end at all - stuck in browser on "negotiating secure connection". When hit refresh once or two times it works again. Router is very...
  10. H

    Downgraded firmware after power lost

    Filtered SSH again. Completely clean system - factory reset, clean nvram, jffs... I suspect "Enable SSH Brute Force Protection", but I have this always disabled. Even if it is disabled, it's process is running.
  11. H

    Downgraded firmware after power lost

    Sorry, back on 380.67_0 now. Couple of restarts behind me and it seems OK. But it seemed OK last time too... :(
  12. H

    Downgraded firmware after power lost

    Can't connect to port 22. When nmap it, nmap says filtered. Tried disabling SSH, or changing accesibility (LAN only/all) options via web gui and nothing changed. I'm watching jffs backup and nothing suspicious here. Only https cert, openvpn keys, logs. Now, after factory reset (thanks for FAQ...
  13. H

    Downgraded firmware after power lost

    Hi, So similar situation occured again. I had installed last version 380.67_0 on my RT-AC66U. Suddenly I have filtered SSH port to router, even from LAN. So I tried change settings on Administration - System but without required effect. So I tried reboot - pushed reboot button in web gui...
  14. H

    Downgraded firmware after power lost

    I didn't try power off that long. I upgrade FW back to original merlin fw and it is OK. Now I'm trying to secure it more.
  15. H

    Downgraded firmware after power lost

    Version glitch is not possible - there was old user interface, misconfigured OpenVPN, it seemed there was really that old version of FW.
  16. H

    Downgraded firmware after power lost

    I don't think so. What about some recover mode or backup ROM?
  17. H

    Downgraded firmware after power lost

    I was afraid of that too. But I have no clue how to check it. No opened services on WAN. No open wifi. I have changed all passwords. Do you think what more I can do or what to check?
  18. H

    Downgraded firmware after power lost

    RT-AC66U_380.63_x or RT-AC66U_380.62_x. When I was doing upgrade I skipped max. 2-3 builds.
  19. H

    Downgraded firmware after power lost

    No, I mean it works like before incident. So, resume is: working router, configured, long term without problems, FW ver. RT-AC66U_380.64_0 power failure, after boot it routing, wifi works, PPTP VPN works, OpenVPN client doesn't work, GUI seems old, FW ver. 3.0.0.4.270.26 upgrade to...
  20. H

    Downgraded firmware after power lost

    So, when upgraded to original firmware (RT-AC66U_380.64_0) it works like before. It makes no sense...
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