Port knock of 445 prevents smbd from starting

[Jeremy Allison]

On Tue, Jan 14, 2020 at 10:13:28PM +0000, Christopher O Cowan - Christopher.O.Cowan at ibm.com wrote:
> Sorry, that's my commit of Amitay's patch.
> 
> Here's the compile I did:
> So it should say de768710e16

Yeah, I think you need to add more debugs to find out the
exact length being returned by read_smb_length_return_keepalive()
and what timeout is being used in receive_smb_raw_talloc_partial_read()
or read_packet_remainder() to debug this properly.