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authorSteve French <stfrench@microsoft.com>2024-08-01 04:38:50 +0200
committerSteve French <stfrench@microsoft.com>2024-08-08 18:14:53 +0200
commit1b5487aefb1ce7a6b1f15a33297d1231306b4122 (patch)
treedeb651cc85484975fe4f72ad69b4c8644b296f32 /Documentation
parentLinux 6.11-rc2 (diff)
downloadlinux-1b5487aefb1ce7a6b1f15a33297d1231306b4122.tar.xz
linux-1b5487aefb1ce7a6b1f15a33297d1231306b4122.zip
smb3: fix setting SecurityFlags when encryption is required
Setting encryption as required in security flags was broken. For example (to require all mounts to be encrypted by setting): "echo 0x400c5 > /proc/fs/cifs/SecurityFlags" Would return "Invalid argument" and log "Unsupported security flags" This patch fixes that (e.g. allowing overriding the default for SecurityFlags 0x00c5, including 0x40000 to require seal, ie SMB3.1.1 encryption) so now that works and forces encryption on subsequent mounts. Acked-by: Bharath SM <bharathsm@microsoft.com> Cc: stable@vger.kernel.org Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/cifs/usage.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/admin-guide/cifs/usage.rst b/Documentation/admin-guide/cifs/usage.rst
index fd4b56c0996f..c09674a75a9e 100644
--- a/Documentation/admin-guide/cifs/usage.rst
+++ b/Documentation/admin-guide/cifs/usage.rst
@@ -742,7 +742,7 @@ SecurityFlags Flags which control security negotiation and
may use NTLMSSP 0x00080
must use NTLMSSP 0x80080
seal (packet encryption) 0x00040
- must seal (not implemented yet) 0x40040
+ must seal 0x40040
cifsFYI If set to non-zero value, additional debug information
will be logged to the system error log. This field