Thanks Joey. And I found the url for listing a server's tls extensions here:
http://possible.lv/tools/hb/?domain=yahoo.com Do you know how we can enable/test the extensions using firefox or any other browser? -------------------------------------------- On Mon, 12/4/17, Joey Yandle <xol...@gmail.com> wrote: Subject: Re: [openssl-dev] Known apps supporting tls max frag size extn To: "Jitendra Lulla" <lull...@yahoo.com>, openssl-dev@openssl.org Date: Monday, December 4, 2017, 5:13 AM > Also, I have lost the url of a website which used to analyze any given server ( eg www.yahoo.com) for its supporting various tls extensions. You provide the server url and it will display all the tls extns supported by that server. If you know of any such url, could you please help me with that also. > openssl s_client has an argument -tlsextdebug: $ openssl s_client -connect www.yahoo.com:443 -tlsextdebug CONNECTED(00000003) TLS server extension "renegotiation info" (id=65281), len=1 0001 - <SPACES/NULS> TLS server extension "EC point formats" (id=11), len=4 0000 - 03 00 01 02 .... TLS server extension "session ticket" (id=35), len=0 TLS server extension "heartbeat" (id=15), len=1 -- openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev