Public bug reported:
If the hostname has more than 15 characters we use the netbios name directive
to overcome the problem, e.g. netbios name = mysamba in the samba server
configuration
This can cause several kinds of malfunction on the client machine, of
which the following is most important and reproducible:
A share defined as
[Dokumente]
path = /home/myname/Dokumente
writeable = yes
valid users = myname
can be mounted on the client as smb://mysamba/dokumente/ by user myname but
cannot be written to.
Error message: no permission.
samba server machine:
Description: Ubuntu 14.04.6 LTS
Release: 14.04
samba:
Installiert: 2:4.3.11+dfsg-0ubuntu0.14.04.20
Installationskandidat: 2:4.3.11+dfsg-0ubuntu0.14.04.20
samba client machine:
Description: Ubuntu 18.04.4 LTS
Release: 18.04
smbclient:
Installiert: 2:4.7.6+dfsg~ubuntu-0ubuntu2.15
Installationskandidat: 2:4.7.6+dfsg~ubuntu-0ubuntu2.15
We expected the share to be writeable by user 'myname'.
Instead the share is readable but produces permission denied errors when we try
to save file or create a directory.
With a hostname with 15 characters or less and without the netbios name
directive everything works normal (no further change in smb.conf).
** Affects: samba (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1864853
Title:
netbios name directive causes permission errors
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