diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r-- | fs/cifs/cifsfs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index fe30aabe00d7..c608ea62f536 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -58,6 +58,7 @@ bool traceSMB; bool enable_oplocks = true; bool linuxExtEnabled = true; bool lookupCacheEnabled = true; +bool disable_legacy_dialects; /* false by default */ unsigned int global_secflags = CIFSSEC_DEF; /* unsigned int ntlmv2_support = 0; */ unsigned int sign_CIFS_PDUs = 1; @@ -83,6 +84,15 @@ MODULE_PARM_DESC(cifs_max_pending, "Simultaneous requests to server for " module_param(enable_oplocks, bool, 0644); MODULE_PARM_DESC(enable_oplocks, "Enable or disable oplocks. Default: y/Y/1"); +module_param(disable_legacy_dialects, bool, 0644); +MODULE_PARM_DESC(disable_legacy_dialects, "To improve security it may be " + "helpful to restrict the ability to " + "override the default dialects (SMB2.1, " + "SMB3 and SMB3.02) on mount with old " + "dialects (CIFS/SMB1 and SMB2) since " + "vers=1.0 (CIFS/SMB1) and vers=2.0 are weaker" + " and less secure. Default: n/N/0"); + extern mempool_t *cifs_sm_req_poolp; extern mempool_t *cifs_req_poolp; extern mempool_t *cifs_mid_poolp; |