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authorSteve French <sfrench@us.ibm.com>2006-05-31 22:40:51 +0000
committerSteve French <sfrench@us.ibm.com>2006-05-31 22:40:51 +0000
commit3979877e5606ecc58c5a31bd0078c6d80ba9cbe7 (patch)
treed221455b5176ea8b26e750d6498c3ed822998ba3 /fs/Kconfig
parent26a21b980b1897b11fd7f9ba4bf6060c9e15df10 (diff)
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[CIFS] Support for setting up SMB sessions to legacy lanman servers
Diffstat (limited to 'fs/Kconfig')
-rw-r--r--fs/Kconfig40
1 files changed, 38 insertions, 2 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index f9b5842c8d2d..c4eaacb86071 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1663,7 +1663,7 @@ config CIFS_STATS
mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
config CIFS_STATS2
- bool "CIFS extended statistics"
+ bool "Extended statistics"
depends on CIFS_STATS
help
Enabling this option will allow more detailed statistics on SMB
@@ -1676,6 +1676,32 @@ config CIFS_STATS2
Unless you are a developer or are doing network performance analysis
or tuning, say N.
+config CIFS_WEAK_PW_HASH
+ bool "Support legacy servers which use weaker LANMAN security"
+ depends on CIFS
+ help
+ Modern CIFS servers including Samba and most Windows versions
+ (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos)
+ security mechanisms. These hash the password more securely
+ than the mechanisms used in the older LANMAN version of the
+ SMB protocol needed to establish sessions with old SMB servers.
+
+ Enabling this option allows the cifs module to mount to older
+ LANMAN based servers such as OS/2 and Windows 95, but such
+ mounts may be less secure than mounts using NTLM or more recent
+ security mechanisms if you are on a public network. Unless you
+ have a need to access old SMB servers (and are on a private
+ network) you probably want to say N. Even if this support
+ is enabled in the kernel build, they will not be used
+ automatically. At runtime LANMAN mounts are disabled but
+ can be set to required (or optional) either in
+ /proc/fs/cifs (see fs/cifs/README for more detail) or via an
+ option on the mount command. This support is disabled by
+ default in order to reduce the possibility of a downgrade
+ attack.
+
+ If unsure, say N.
+
config CIFS_XATTR
bool "CIFS extended attributes"
depends on CIFS
@@ -1704,6 +1730,16 @@ config CIFS_POSIX
(such as Samba 3.10 and later) which can negotiate
CIFS POSIX ACL support. If unsure, say N.
+config CIFS_DEBUG2
+ bool "Enable additional CIFS debugging routines
+ help
+ Enabling this option adds a few more debugging routines
+ to the cifs code which slightly increases the size of
+ the cifs module and can cause additional logging of debug
+ messages in some error paths, slowing performance. This
+ option can be turned off unless you are debugging
+ cifs problems. If unsure, say N.
+
config CIFS_EXPERIMENTAL
bool "CIFS Experimental Features (EXPERIMENTAL)"
depends on CIFS && EXPERIMENTAL
@@ -1719,7 +1755,7 @@ config CIFS_EXPERIMENTAL
If unsure, say N.
config CIFS_UPCALL
- bool "CIFS Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
+ bool "Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
depends on CIFS_EXPERIMENTAL
select CONNECTOR
help