On Wed, 09 Feb 2000, Doug Kyle wrote:
> Matt Sergeant wrote:
>
> > Anyone got any good ideas on picking up a site-unique MAC secret. What I
> > need is something that won't change over server software upgrades, but
> > isn't hard coded. At the moment I've picked:
> >
> > use Config;
> > my $secret = Config->myconfig;
> >
> > (output of perl -V)
> >
> > But it's sensitive to perl upgrades. I'm pretty certain there must be
> > _something_ I can use. I'm thinking perhaps of join('', `ls -la
> > $some_dir_created_on_install`), but again, the sysadmin could easily
> > inadvertently touch something in that dir.
> >
> > --
> > <Matt/>
> >
> > Details: FastNet Software Ltd - XML, Perl, Databases.
> > Tagline: High Performance Web Solutions
> > Web Sites: http://come.to/fastnet http://sergeant.org
> > Available for Consultancy, Contracts and Training.
>
> What about generating some value from the MAC address of the server's
> NIC(s)?
> ifconifg <interface name> ether, or arp <hostname> will return MAC
> addresses.
Could potentially change if someone swaps out their ethernet card, but
that's not terribly likely. Is there a cross platform way of getting MAC
addresses from ethernet cards, I know ifconfig works on Linux.
--
<Matt/>
Details: FastNet Software Ltd - XML, Perl, Databases.
Tagline: High Performance Web Solutions
Web Sites: http://come.to/fastnet http://sergeant.org
Available for Consultancy, Contracts and Training.
