Forum Discussion
DNS(UDP) hostname filter
Hi
bigip load balance caching DNS servers in ISP.
I made an irule which block DNS query packets which has pre-defined URL list.
(eg. bigip block DNS query which ask IP address of "...
krelm_52303
Nimbostratus
NimbostratusI have a similar requirement - need to do DNS proxying on an LTM. I want to list internal domains (around 20 of them) in a class and send to internal DNS pool. All other requests to ISP DNS pool.
Running 9.4.6 - would something like this work now?
when DNS_REQUEST {
if { ([DNS::rrtype] eq "A") and (matchclass [DNS::rrname] eq $::dnsinternal)
pool internal_dns
} else {
pool ISP_dns
}
}
class dnsinternal {
"www.internal.com"
"internal.com"
"internal.net"
}
