Hi
I am trying to set server name extension in Client Hello using libcurl.
I have referred to this :
https://curl.haxx.se/mail/archive-2015-01/0042.html and tried using it in
my application and it works.
However, I find it worrysome that CURLOPT_RESOLVE option pre-populates the
DNS cache with entries for the host+port pair.
My intention is just to send Server name extension and not change any DNS
properties.
I would like to know why it was found better to use CURLOPT_RESOLVE to set
Server Name instead of providing a new
CURLOPT to set Server Name?
Also are any risks associated with using CURLOPT_RESOLVE to set Server
Name?

Thanks & Regards
Alisha

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Received on 2018-07-30