FTP protocol problem

[NiKiZe]

(2016-12-27 19:40)iosif_matei Wrote:  I did try boot with another router that have OpenWRT installed and I noticed that instead of """status 550"" the openwrt ftp replyed with ""status 213 "" and the file size .

I guess it worked just fine then with that other router?

I would guess that the SIZE command is not supported at all in your ftp server, searching for info about the issue and vsftpd the only issue i can find is in regards to a possible DDoS attack in ASCII mode which could be "disabled" by adding ascii_download_enable=YES however we already know that TYPE I is sent before SIZE meaning that binary mode is already enabled.

Are you absolutely sure your RT-N18U router uses vsftpd? and if so which version is it using?