Client side RoundCube and FileManager is not working

[is984]

Hello.
Admin side FileManager and RoundCube is working.
But Client side is not , Because,Client Side link is private IP address.
What to do to fix it?
finally ,thank you for being patient with my poor english.

[Neo2SHYAlien]

do you have enabled modsec ?

[is984]

if modsec means Mod_Security, ModSec is not enabled