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Domwilko's avatar
Domwilko
Icon for Altocumulus rankAltocumulus
May 02, 2019

Simple iRule For DNS Intercept on Big IP DNS

Within our network we are using Big IP DNS for all of our DHCP clients, so all DNS requests come to the BIG IP DNS first for resolution. If there as no Wide IP setup for the DNS request, then the req...
application delivery
BIG-IP DNS
big-ip gtm
devops
iRules
youssef1's avatar
youssef1
Icon for Cumulonimbus rankCumulonimbus
May 02, 2019

Hi,

try this:

when DNS_REQUEST {

set type [DNS::question type]

if {$type equals "A" } {
    set host [DNS::question name]
    if {$host contains "abc.domain.private" } {
        DNS::answer insert "[DNS::question name]. 111 [DNS::question class] [DNS::question type] 123.123.123.123"
        DNS::return
    }
}

}

let me know if you need more details.

regards