ssldump looks like the below.

>From ssldump, we can see that the server sent three separate
certificates. Openssl s_client however claims that no certificates were
detected.

New TCP connection #42: 172.29.231.43(33116) <-> 172.29.228.240(5432)
42 1  0.0038 (0.0038)  C>SV3.1(300)  Handshake
     ClientHello
       Version 3.3 
       random[32]=
         80 cf 99 66 b3 07 55 c2 3f cf b2 61 13 39 89 c1 
         33 37 f4 77 21 a3 fd 2e f9 fa 9b 65 4e b5 bd 24 
       cipher suites
       Unknown value 0xc030
       Unknown value 0xc02c
       Unknown value 0xc028
       Unknown value 0xc024
       Unknown value 0xc014
       Unknown value 0xc00a
       Unknown value 0xa5
       Unknown value 0xa3
       Unknown value 0xa1
       Unknown value 0x9f
       Unknown value 0x6b
       Unknown value 0x6a
       Unknown value 0x69
       Unknown value 0x68
       TLS_DHE_RSA_WITH_AES_256_CBC_SHA
       TLS_DHE_DSS_WITH_AES_256_CBC_SHA
       TLS_DH_RSA_WITH_AES_256_CBC_SHA
       TLS_DH_DSS_WITH_AES_256_CBC_SHA
       Unknown value 0x88
       Unknown value 0x87
       Unknown value 0x86
       Unknown value 0x85
       Unknown value 0xc032
       Unknown value 0xc02e
       Unknown value 0xc02a
       Unknown value 0xc026
       Unknown value 0xc00f
       Unknown value 0xc005
       Unknown value 0x9d
       Unknown value 0x3d
       TLS_RSA_WITH_AES_256_CBC_SHA
       Unknown value 0x84
       Unknown value 0xc02f
       Unknown value 0xc02b
       Unknown value 0xc027
       Unknown value 0xc023
       Unknown value 0xc013
       Unknown value 0xc009
       Unknown value 0xa4
       Unknown value 0xa2
       Unknown value 0xa0
       Unknown value 0x9e
       TLS_DHE_DSS_WITH_NULL_SHA
       Unknown value 0x40
       Unknown value 0x3f
       Unknown value 0x3e
       TLS_DHE_RSA_WITH_AES_128_CBC_SHA
       TLS_DHE_DSS_WITH_AES_128_CBC_SHA
       TLS_DH_RSA_WITH_AES_128_CBC_SHA
       TLS_DH_DSS_WITH_AES_128_CBC_SHA
       Unknown value 0x9a
       Unknown value 0x99
       Unknown value 0x98
       Unknown value 0x97
       Unknown value 0x45
       Unknown value 0x44
       Unknown value 0x43
       Unknown value 0x42
       Unknown value 0xc031
       Unknown value 0xc02d
       Unknown value 0xc029
       Unknown value 0xc025
       Unknown value 0xc00e
       Unknown value 0xc004
       Unknown value 0x9c
       Unknown value 0x3c
       TLS_RSA_WITH_AES_128_CBC_SHA
       Unknown value 0x96
       Unknown value 0x41
       Unknown value 0xc011
       Unknown value 0xc007
       Unknown value 0xc00c
       Unknown value 0xc002
       TLS_RSA_WITH_RC4_128_SHA
       TLS_RSA_WITH_RC4_128_MD5
       Unknown value 0xc012
       Unknown value 0xc008
       TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
       TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
       TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA
       TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA
       Unknown value 0xc00d
       Unknown value 0xc003
       TLS_RSA_WITH_3DES_EDE_CBC_SHA
       Unknown value 0xff
       compression methods
                 NULL
42 2  0.0056 (0.0017)  S>CV3.3(62)  Handshake
     ServerHello
       Version 3.3 
       random[32]=
         f9 4d fa 63 ee d5 65 6d ba dd 58 de 51 00 8e ac 
         9f 45 24 43 e2 17 88 07 41 9a 8d aa 7f 95 2a 13 
       session_id[0]=

       cipherSuite         Unknown value 0xc030
       compressionMethod                   NULL
42 3  0.0056 (0.0000)  S>CV3.3(3345)  Handshake
     Certificate
       certificate[1329]=[snip]
       certificate[1010]=[snip]
       certificate[990]=[snip]
42 4  0.0056 (0.0000)  S>CV3.3(333)  Handshake
     ServerKeyExchange
42 5  0.0056 (0.0000)  S>CV3.3(179)  Handshake
     CertificateRequest
       certificate_types                   rsa_sign
       certificate_types                   dss_sign
       certificate_types                 unknown value
Not enough data. Found 163 bytes (expecting 32767)
     ServerHelloDone
42 6  0.0061 (0.0004)  C>SV3.3(2)  Alert
   level           fatal
   value           unknown_ca
42    0.0062 (0.0001)  C>S  TCP RST

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https://bugs.launchpad.net/bugs/1612711

Title:
  TLS negation fails

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