diff options
Diffstat (limited to 'fs/cifs/Kconfig')
| -rw-r--r-- | fs/cifs/Kconfig | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig index 5f132d59dfc2..832eafbf803f 100644 --- a/fs/cifs/Kconfig +++ b/fs/cifs/Kconfig @@ -66,9 +66,24 @@ config CIFS_STATS2 Unless you are a developer or are doing network performance analysis or tuning, say N. +config CIFS_ALLOW_INSECURE_LEGACY + bool "Support legacy servers which use less secure dialects" + depends on CIFS + default y + help + Modern dialects, SMB2.1 and later (including SMB3 and 3.1.1), have + additional security features, including protection against + man-in-the-middle attacks and stronger crypto hashes, so the use + of legacy dialects (SMB1/CIFS and SMB2.0) is discouraged. + + Disabling this option prevents users from using vers=1.0 or vers=2.0 + on mounts with cifs.ko + + If unsure, say Y. + config CIFS_WEAK_PW_HASH bool "Support legacy servers which use weaker LANMAN security" - depends on CIFS + depends on CIFS && CIFS_ALLOW_INSECURE_LEGACY help Modern CIFS servers including Samba and most Windows versions (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos) |