[Pdns-users] Fwd: Modifying DNS Response

[Önem Özgülgen]

Hello,

As i wish to send original queries to the closest server and respond to
them, if there's something can be done reliable and affordable "before" an
Anycast BGP Routing, it'll be really cool!

Yes, i'd like to get more detailed information about it please!

On Thu, Sep 10, 2015 at 6:05 PM, bert hubert <bert.hubert at powerdns.com>
wrote:

> On Thu, Sep 10, 2015 at 05:39:33PM +0300, Önem Özgülgen wrote:
> > Hello,
> >
> > First of all, thanks for your response Bert.
> >
> > As making it correctly and stable, not just destination ip address also
> > source ip address should be changed.
> >
> > Maybe, this can't be done via Lua, but is it possible to do via breaking
> > the dns packets in PowerDNS source code?
>
> Onem,
>
> Sending responses from IP addresses you don't own requires a little extra
> work, plus the network has to cooperate. So out of the box, I don't see
> PowerDNS supporting this since it is very much a niche thing. But let us
> know if you really need it!
>
>         Bert
>
> >
> > Just wonder if something possible before an Anycast DNS solution.
> >
> > On Thu, Sep 10, 2015 at 5:33 PM, bert hubert <bert.hubert at powerdns.com>
> > wrote:
> >
> > > On Thu, Sep 10, 2015 at 01:19:23AM +0300, Önem Özgülgen wrote:
> > > > Is it possible to change query sender ip address of the dns packet
> and
> > > > making response to another ip address "legally"?
> > >
> > > No, not right now. And if I understand you correctly, you'd not only
> have
> > > to
> > > change the response destination address, but also the source address,
> > > because otherwise 'they' in london would not recognize your response?
> > >
> > > That would be especially hard. Only changing the destination IP would
> be
> > > somewhat doable.
> > >
> > > Please let us know!
> > >
> > >         Bert
> > >
>
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>
>
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