here's my smb.conf # Uncomment this if you want a guest account, you must add this to /etc/passwd # otherwise the user "nobody" is used ; guest account = pcguest # Allow users to map to guest: map to guest = bad_user i have the bad_user and the nobody user in my unix acounts: bad_user:x:1007:1014:bad_user:/:/bin/false nobody:x:65534:65534:nobody:/:/bin/false but when i mount the share it says: doing parameter map to guest = bad user and i can't write to the share(even if i use my samba username and password) but i can write to shares that requires an autentification if i autentify