[CentOS] Network Manager / CentOS 7 / local unbound

Nux! nux at li.nux.ro
Wed Apr 12 09:02:56 UTC 2017


OR just make the file immutable if it's so critical to you.

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Nux!
www.nux.ro

----- Original Message -----
> From: "Jon LaBadie" <jcu at labadie.us>
> To: "CentOS mailing list" <centos at centos.org>
> Sent: Wednesday, 12 April, 2017 07:16:22
> Subject: Re: [CentOS] Network Manager / CentOS 7 / local unbound

> On Tue, Apr 11, 2017 at 01:40:21AM -0700, Alice Wonder wrote:
>> Hello list -
>> 
>> http://unix.stackexchange.com/questions/90035/how-to-set-dns-resolver-in-fedora-using-network-manager
>> 
>> That says it works for CentOS 5 and I *suspect* the methods there (3 listed)
>> would work, but what is the best way with NetworkManager to set it up to use
>> the localhost for DNS ?
>> 
>> I'm paranoid about DNS spoofing and really prefer to have a local instance
>> of DNSSEC enforcing unbound running on my CentOS 7 virtual machines (e.g.
>> linode)
>> 
>> Currently I just use a cron job that runs once a minute to over-write was it
>> is /etc/resolv.conf so they don't use the DHCP assigned nameservers, but
>> that does leave a short window every time the network is restarted.
> 
> Besides the suggested configs, if still worried you could set up
> an inotify watch on /etc/resolv.conf to let you know, or take
> action, whenever it changes.
> 
> jon
> --
> Jon H. LaBadie                 jon at jgcomp.com
> 11226 South Shore Rd.          (703) 787-0688 (H)
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