2. how to manually change ftp login permission into administrator: go to asuswrt>"usb application">"servers center". Download asuswrt-merlin for free. alternative firmware for asus wireless routers. asuswrt-merlin is a third party firmware for select asus wireless routers. based on the asuswrt firmware developed by asus, it brings tweaks, new features and other improvements to the original firmware, while retaining its performance and ease of use.. Free download asuswrt-merlin firmware 380.62 for rt-n66u (ver.b1) (router / switch / ap) 64 downloads
