[Bug 1770022] [NEW] Use of SMBv2 makes network discovery not work at all

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Bionic ships with /etc/samba/smb.conf in a state that allows SMBv2
connections. No extant Linux GUI software actually works with it though.
As a result, Samba share and printer network discovery is broken with
Nautilus, Dolphin, and printer management software. The only way to
access samba resources is to know the URL and manually enter it (e.g.
"smb://myshare"), which is user-hostile and impossible for most users.
How are people supposed to know the URLs of samba resources that they
can't discover in the first place?

This has been reported at https://www.dedoimedo.com/computers/ubuntu-
beaver-samba-shares.html, and I can confirm both the issue and the
resolution:

Add "client max protocol = NT1" to /etc/samba/smb.conf. Boom, problem
solved: Samba share and printer discovery suddenly works.

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: samba
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Use of SMBv2 makes network discovery not work at all
https://bugs.launchpad.net/bugs/1770022
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