Bug#224912: should check if IP address is well-formed
Martin Michlmayr wrote:
> * Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de> [2003-12-23 20:12]:
> > > I wanted to configure a static address and made a typo and wrote
> > > "10.0.144". netcfg didn't spot this at all, and only failed at the
> > > end when bringing up the network, saying "Erorr while activating the
> > > network" and nothing more. I had no idea what was wrong, until I
> > > noticed the silly typo. Please make sure that the IP address is well
> > > formed, and if it is not, complain.
> >
> > IIRC 10.0.144 _is_ a well formed IP address. It's a rememnant from
> > classful addressing, being a shortcut for 10.0.0.144.
>
> Hmm, indeed, putting 10.0.144 in /etc/network/interfaces seems to
> work. However, during netcfg I definitely got an error and I'm pretty
> sure it was due to the 10.0.144 address.
Then there's a bug which should get fixed.
> However, how many people really use addresses like 10.0.144? I still
> think sanity checking for 4 0-256 values separated by dots is a good
> idea, especially for inexperienced people.
A warning might be appropriate nowadays, the days of classful addressing
are over.
Thiemo
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