Re: [SECURITY] [DSA 1605-1] DNS vulnerability impact on the libc stub resolver
Am Mittwoch, 9. Juli 2008 22:39 schrieb Rick Moen:
> Quoting Wolfgang Jeltsch (7o2lccqg@acme.softbase.org):
> > Am Mittwoch, 9. Juli 2008 20:51 schrieb Noah Meyerhans:
> > > > I suggest that you install bind9,
> […]
> > > > configure it to only listen on 127.0.0.1,
> >
> > How do I do this? dpkg-reconfigure doesn’t help.
>
> Although this will require a substantial investment of your time, I
> recommend studying
> http://www.cymru.com/Documents/secure-bind-template.html , to better
> understand how to properly configure and lock down BIND9.
Oh no. I just wanted to do a security update. I didn’t want to install bind9
at all.
Short question: Is it sufficient if I use iptables with a stateful filter
which only allows incoming packets if they are ESTABLISHED, RELATED or have
an acceptable TCP destination port (like ssh or http)? I do this anyway.
Best wishes,
Wolfgang
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