SNI Routing with DNS Lookup

SNI (Server Name Indication) is an extension of the TLS protocol that is used by the client to indicate the hostname it is attempting to connect to at the start of the SSL handshake.  In the case...
Published Jan 31, 2022
Version 1.0
security
sni
sslo
Nikoolayy1's avatar
Nikoolayy1
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Oct 08, 2022

Nice! RESOLV::lookup is a great command to trigger dns resolver without any DNS/GTM license or this may help with DNS caching issues and EDNS0 extension that has the real client ip address as they seem to not work so well. The only issue I have seen is that the network resolver seems to not be able to use an F5 Virtual Servers/VS that is on the same device as it replies come from 127.0.0.1 as it is a local communication. I am sharing this just to keep a note as maybe in some versions there is no such issue.