diff options
| -rw-r--r-- | source3/auth/auth_winbind.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/source3/auth/auth_winbind.c b/source3/auth/auth_winbind.c index d4ace2c919..2b5c84d276 100644 --- a/source3/auth/auth_winbind.c +++ b/source3/auth/auth_winbind.c @@ -62,9 +62,15 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, } /* Send off request */ - params.account_name = user_info->client.account_name; - params.domain_name = user_info->mapped.domain_name; + /* + * We need to send the domain name from the client to the DC. With + * NTLMv2 the domain name is part of the hashed second challenge, + * if we change the domain name, the DC will fail to verify the + * challenge cause we changed the domain name, this is like a + * man in the middle attack. + */ + params.domain_name = user_info->client.domain_name; params.workstation_name = user_info->workstation_name; params.flags = 0; |