You are absolutely right. I do NVRAM cleanup with "mtd-erase2 nvram" command, then do a factory default reset and install the latest version of firmware.
I see no error inside system log - only messages like this one:
Mar 18 20:47:41 kernel: DROP IN=eth0 OUT=...
I find some problems with my internate provider, so that I do complet reinstal my router with nvram cleanup (I hope so). Now, with 384.9 firmware, I could do nothing with ports: I cannot forward ports, cannot access WebIU or SSH from WAN. System even doesn’t response on ping from WAN. But I do...