Le jeu. 31 oct. 2019 à 17:03, Marvin Renich <m...@renich.org> a écrit : > > Package: samba > Version: 2:4.11.1+dfsg-1 > Severity: normal > > I plan to clone this bug to cifs-utils, as it is unclear which package has > the bug. > > After upgrading from samba 2:4.9.13+dfsg-1 to 2:4.11.0+dfsg-10 on a server > machine, mount.cifs from cifs-utils 2:6.9-1 > on a different machine fails to connect with "mount error(13): Permission > denied". Subsequently upgrading samba to > 2:4.11.1+dfsg-1 did not help. > > Downgrading samba to stable 2:4.9.5+dfsg-5+deb10u1 on the server fixes the > problem. Adding a snapshot version to figure > out what needed to be downgraded to get version 2:4.9.13+dfsg-1 was deemed > not worth the effort, as my daily backup on > the client machine (which mounts the remote cifs share) was running fine when > the server had 2:4.9.13+dfsg-1.
What is the kernel version on the client side? Try to force the CIFS version with vers= in the mount options. > vers=arg > SMB protocol version. Allowed values are: > > • 1.0 - The classic CIFS/SMBv1 protocol. > > • 2.0 - The SMBv2.002 protocol. This was initially introduced in Windows > Vista Service Pack 1, and Windows Server 2008. Note that > the initial release version of Windows Vista spoke a slightly different > dialect (2.000) that is not supported. > > • 2.1 - The SMBv2.1 protocol that was introduced in Microsoft Windows 7 and > Windows Server 2008R2. > > • 3.0 - The SMBv3.0 protocol that was introduced in Microsoft Windows 8 and > Windows Server 2012. > > • 3.1.1 or 3.11 - The SMBv3.1.1 protocol that was introduced in Microsoft > Windows Server 2016. > > Note too that while this option governs the protocol version used, not all > features of each version are available. > > The default since v4.13.5 is for the client and server to negotiate the > highest possible version greater than or equal to 2.1. In > kernels prior to v4.13, the default was 1.0. For kernels between v4.13 and > v4.13.5 the default is 3.0. Ref: https://manpages.debian.org/buster/cifs-utils/mount.cifs.8.en.html Regards -- Mathieu Parent