[Pkg-samba-maint] Bug#623190: Bug#623190: 'map untrusted to domain' new default breaks backwards compatibility with clients outside of the server domain

[Christian PERRIER]

Quoting Josip Rodin (joy at debbugs.entuzijast.net):

> b) provide help for upgraders - add the line to the new default config
>    file, note the problem in NEWS.Debian, ...

Isn't this basically asking us to document each and every change to
default settings for a given smb.conf parameter?

We settled quite a while ago against having a Debian-crafted smb.conf
file, with the choice of stayiong as close as possible to upstream
defaults. Such inconvenience is a side effect of this.

Indeed, good practice, for samba servers is mostly to check changes in
smb.conf wrt upstream defaults. For my own servers, I always do the
following before upgrading them, as a kind of non-regression test:

Run "testparm" with the same smb.conf and both samba versions, then
compare the output. This will easily enlight changes to upstream
defaults and therefore allow me to carefully think about consequences
for my users. Samba is too versatile and possible situations are too
different to always guarantee a fully safe upgrade path.

For the record, my own servers are still running lenny, with
non-regression tests going on (we're currently just upgrading print
servers).

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