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-rw-r--r--source3/smbd/sesssetup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c
index 3dc9fe9208..09288ad44d 100644
--- a/source3/smbd/sesssetup.c
+++ b/source3/smbd/sesssetup.c
@@ -734,7 +734,7 @@ int reply_sesssetup_and_X(connection_struct *conn, char *inbuf,char *outbuf,
/* don't allow for weird usernames or domains */
alpha_strcpy(user, user, ". _-$", sizeof(user));
- alpha_strcpy(domain, domain, ". _-", sizeof(domain));
+ alpha_strcpy(domain, domain, ". _-@", sizeof(domain));
if (strstr(user, "..") || strstr(domain,"..")) {
return ERROR_NT(NT_STATUS_LOGON_FAILURE);
}