query on dns resolver

Viktor Dukhovni openssl-users at dukhovni.org
Thu Aug 20 16:41:53 UTC 2020

On Thu, Aug 20, 2020 at 11:59:01AM +0300, Dmitry Belyavsky wrote:

> OpenSSL uses gethostbyname/gethostbyaddr

Also getaddrinfo(3), I hope in preference to the obsolete interfaces.

There is no explicit use of DNS in OpenSSL, and many OpenSSL
applications open their own TCP connections, and then ask OpenSSL
to perform a handshake over an already connected socket, in which
case OpenSSL does no name lookups at all.


More information about the openssl-users mailing list