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Forum Discussion

Mrad_231364's avatar
Mrad_231364
Icon for Nimbostratus rankNimbostratus
Jun 08, 2018

Block DNS domain on Big IP DNS

Hello,   I am trying to block certain domains on a specific Listener (ie ) Can you help me writing an iRule?  
AFM
BIG-IP DNS
security
Stanislas_Piro2's avatar
Stanislas_Piro2
Icon for Cumulonimbus rankCumulonimbus
Jun 08, 2018

you can try something like that:

when DNS_REQUEST {
    if { [DNS::question name] ends_with "example.com" } {
        noerror
        DNS::return
    }
}