Re: Re: COPS reporting unrestricted NFS exports under Linux

[mshaver () schoolnet carleton ca (Mike Shaver)]

Ed Arnold mumbled something vague about:
> > I honestly don't have a handy document, but I remember reading somewhere
> > that depending on how naive your system software is, if someone had
> > a '#' mark in the /etc/hosts.equiv or /.rhosts files, I could change
> > some records in my DNS maps and rename my machine like so:
> >
> >      3.100.212.129.in-addr.arpa    IN    PTR       #
>
> It was my understanding that recent versions of BIND do not allow
> characters like '#' in hostnames.  Is Linux delivered with an old
> BIND that does?

The issue isn't that the BIND will let him do that (a standard, new one
won't, but an old/hacked one would), but rather that Linux seems to
interpret the '#' as a hostname, and not a comment.

Mike