title: OpenSSL error alert handshake failure
body: <p>When trying to connect to some websites OpenSSL fails to connect. I get this error with OpenSSL's <code>s_client</code>:</p>
  
  <pre><code>$ openssl s_client -connect www.airvistara.com:443 -debug
  CONNECTED(00000003)
  write to 0x600060cf0 [0x600076e90] (346 bytes =&gt; 346 (0x15A))
  0000 - 16 03 01 01 55 01 00 01-51 03 03 b7 94 61 d2 52   ....U...Q....a.R
  0010 - 8e fa c5 5e 3d d0 0b 62-91 14 c3 21 d5 62 3a e8   ...^=..b...!.b:.
  0020 - 27 1c 99 12 0c e8 1d e8-ea cf 15 00 00 b4 c0 30   '..............0
  0030 - c0 2c c0 28 c0 24 c0 14-c0 0a 00 a5 00 a3 00 a1   .,.(.$..........
  0040 - 00 9f 00 6b 00 6a 00 69-00 68 00 39 00 38 00 37   ...k.j.i.h.9.8.7
  0050 - 00 36 00 88 00 87 00 86-00 85 c0 32 c0 2e c0 2a   .6.........2...*
  0060 - c0 26 c0 0f c0 05 00 9d-00 3d 00 35 00 84 c0 2f   .&amp;.......=.5.../
  0070 - c0 2b c0 27 c0 23 c0 13-c0 09 00 a4 00 a2 00 a0   .+.'.#..........
  0080 - 00 9e 00 67 00 40 00 3f-00 3e 00 33 00 32 00 31   ...g.@.?.&gt;.3.2.1
  0090 - 00 30 00 9a 00 99 00 98-00 97 00 45 00 44 00 43   .0.........E.D.C
  00a0 - 00 42 c0 31 c0 2d c0 29-c0 25 c0 0e c0 04 00 9c   .B.1.-.).%......
  00b0 - 00 3c 00 2f 00 96 00 41-c0 11 c0 07 c0 0c c0 02   .&lt;./...A........
  00c0 - 00 05 00 04 c0 12 c0 08-00 16 00 13 00 10 00 0d   ................
  00d0 - c0 0d c0 03 00 0a 00 15-00 12 00 0f 00 0c 00 09   ................
  00e0 - 00 ff 02 01 00 00 73 00-0b 00 04 03 00 01 02 00   ......s.........
  00f0 - 0a 00 3a 00 38 00 0e 00-0d 00 19 00 1c 00 0b 00   ..:.8...........
  0100 - 0c 00 1b 00 18 00 09 00-0a 00 1a 00 16 00 17 00   ................
  0110 - 08 00 06 00 07 00 14 00-15 00 04 00 05 00 12 00   ................
  0120 - 13 00 01 00 02 00 03 00-0f 00 10 00 11 00 23 00   ..............#.
  0130 - 00 00 0d 00 20 00 1e 06-01 06 02 06 03 05 01 05   .... ...........
  0140 - 02 05 03 04 01 04 02 04-03 03 01 03 02 03 03 02   ................
  0150 - 01 02 02 02 03 00 0f 00-01 01                     ..........
  read from 0x600060cf0 [0x60007c3f0] (7 bytes =&gt; 7 (0x7))
  0000 - 15 03 03 00 02 02 28                              ......(
  2348672:error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handsha
   failure:s23_clnt.c:769:
  ...
  </code></pre>
  
  <p>My strong point is not with SSL so some guidance would be appreciated.  The client software works with nearly all sites but there are a few that give this error.</p>