[dnsdist] regexrule for ipv6-PTR-queries (ipv6-subnet)

[Winfried Angele]

Please try this regex: ".*%.7%.8%.b%.d%.0%.1%.0%.0%.2%.ip6%.arpa$"

On 15.10.20 08:54, Tom via dnsdist wrote:
> Hi list
> 
> I'm trying to route ipv6-ptr-queries for the net "2001:db8:7000::/36" to 
> our knot. This should cover all v6-adresses for "2001:db8:7*".
> 
> I've configured the following regexrule:
> 
> addAction(AndRule({RegexRule(".*\.7\.8\.b\.d\.0\.1\.0\.0\.2\.ip6\.arpa$"), 
> QTypeRule(DNSQType.PTR)}), PoolAction("knot"))
> 
> Currently, the queries are only matching like this:
> dig @server -x 2001:db8:7000::1 -> OK
> dig @server -x 2001:db8:7000::14 -> OK
> dig @server -x 2001:db8:7000::cafe -> OK
> 
> dig @server -x 2001:db8:7001::1 -> failed, not matching knot-pool
> dig @server -x 2001:db8:7002::1 -> failed, not matching knot-pool
> dig @server -x 2001:db8:7999::1 -> failed, not matching knot-pool
> dig @server -x 2001:db8:7abc::1 -> failed, not matching knot-pool
> dig @server -x 2001:db8:7abc::cafe -> failed, not matching knot-pool
> 
> Any hints what's wrong with the regex above? How can I catch the 
> PTR-queries for "*.7.8.b.d.0.1.0.0.2.ip6.arpa."?
> 
> Many thanks.
> Kind regards,
> Tom
> 
> 
> 
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