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Forum Discussion

MH1_273408's avatar
MH1_273408
Icon for Nimbostratus rankNimbostratus
Jun 22, 2016

DNS response validation?

Hey All, I've got an environment with two sets of untrusted forests, one of which needs to be able to perform reverse DNS queries to both domains. The tricky part is, they share the same /24 network...
application delivery
BIG-IP DNS
LTM
MH1_273408's avatar
MH1_273408
Icon for Nimbostratus rankNimbostratus
Jun 26, 2016
Like this, except replace the 40x/50x errors with DNS::ptype =="NXDOMAIN". https://clouddocs.f5.com/api/irules/Retry-40x-50x-errors.html Unfortunately the http commands aren't 1:1 with DNS and I'm not sure which once I'll need to use.