Forum Discussion

travelerZ's avatar
travelerZ
Icon for Altostratus rankAltostratus
Jul 29, 2024

External and Internal DNS on same appliance

Hello F5 experts, Is it possible to somehow logically divide our current F5 DNS F5s so that they have external and internal DNS records without security risks? How it could/couldn't be done, do you ...
dns
DNS Security
External and Internal DNS
Internal DNS
Security
  • Paulius's avatar
    Paulius
    Jul 30, 2024

    You might take a look at the following article.

    https://community.f5.com/kb/codeshare/gslb-split-dns-by-irule/301865

zamroni777's avatar
zamroni777
Icon for Nacreous rankNacreous
Jul 30, 2024

if the topology method in article mentioned by Paulius above is not feasible,
you can try multiple cname-wideip method as i write in link below.

gtm split dns using multiple cname-wideip

btw, the topology mechanism that selects dns pool actually still checks for the pool health monitor.
so the pool will not be use if its health monitor is down