tree e6d922ce3d5262c34c781768ee51588ce4c80e2e
parent 34061d6b76a41b1e43c19e1e50d98e5d77f77d4e
author Namjae Jeon <linkinjeon@kernel.org> 1634113711 +0900
committer Steve French <stfrench@microsoft.com> 1634706430 -0500

ksmbd: throttle session setup failures to avoid dictionary attacks

To avoid dictionary attacks (repeated session setups rapidly sent) to
connect to server, ksmbd make a delay of a 5 seconds on session setup
failure to make it harder to send enough random connection requests
to break into a server if a user insert the wrong password 10 times
in a row.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>