[ALUG] hosts.allow syntax

[Jenny Hopkins]

On 30/01/2008, Phil Ashby <phil.ashby at bt.com> wrote:
> On Wed, 2008-01-30 at 12:11 +0000, Jenny Hopkins wrote:
> > Putting ALL:*
> > at the end of the file has fixed the problem, but I have a worry that
> > all I've done is cancel out the hosts.deny file so anyone can access
> > anything.
>
> Yup - that's what you have done.
>
> > Or can they just access the services that are listed in the
> > hosts.allow file i.e. ftp, svn, sshd, telnet?
>
> Nope - you have permitted anyone access to any service.
>

Best not do that then!
Googling, it looks like I need to tell libwrap not to bother with
reverse DNS lookups, with various arguments about whether or not this
is a good thing.

Thanks for the help,

Jenny