On Mon, 12 Dec 2005, Jakob Hirsch wrote:
> I plea for keeping the syntax requirement of 4 components, but raising an
> error if it contains only digits (and is not an IP address).
That's what I plan to do.
> | (a) 192.168.1/24 presumably means 192.168.1.0/24 (otherwise what's
> | the point of the 1?)
>
>
> That seems to depend - e.g:
>
> nmap 192.168.1/24 actually scans 192.168.0.0/24
> ^
Oho! So it is expanding the IP address according to the "original
rules", getting 192.168.0.1, and then applying the mask.
> I don't know what's the point of the 1 - it seems to be ignored. At
> least, on Linux. Trying the same on Solaris the 1 *is* obeyed - ie. it
> scans 192.168.1.0/24 !
This is more evidence that convinces me that the best thing is to insist
on 4 components and give an error for anything else.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book: http://www.uit.co.uk/exim-book
