Для сервера добавить в /etc/smb.conf
- [global] character set = koi8-r client code page = 866 preserve case = yes short preserve case = yes default case = lower mangle case = no
- CONFIG_NLS_DEFAULT="koi8-r" CONFIG_SMB_NLS_DEFAULT=y CONFIG_SMB_NLS_REMOTE="cp866" CONFIG_SMB_NLS=y CONFIG_NLS=y