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-rw-r--r--source3/smbd/smb2_negprot.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/source3/smbd/smb2_negprot.c b/source3/smbd/smb2_negprot.c
index d3a709b159..c084114ac5 100644
--- a/source3/smbd/smb2_negprot.c
+++ b/source3/smbd/smb2_negprot.c
@@ -261,15 +261,18 @@ NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req)
max_limit = 0x10000;
if (protocol >= PROTOCOL_SMB2_10) {
- /* largeMTU is only available on port 445 */
- if (TCP_SMB_PORT ==
- tsocket_address_inet_port(req->sconn->local_address))
- {
+ int p = 0;
+ if (tsocket_address_is_inet(req->sconn->local_address, "ip")) {
+ p = tsocket_address_inet_port(req->sconn->local_address);
+ }
+
+ /* largeMTU is not supported over NBT (tcp port 139) */
+ if (p != NBT_SMB_PORT) {
capabilities |= SMB2_CAP_LARGE_MTU;
req->sconn->smb2.supports_multicredit = true;
- /* SMB2.1 has 1 MB of allowed size */
+ /* SMB >= 2.1 has 1 MB of allowed size */
max_limit = 0x100000; /* 1MB */
}
}