I used ssldump on OSX and got a lot of "unknown value" for ciphers:
1 1 0.1727 (0.1727) C>S Handshake
ClientHello
Version 3.1
cipher suites
Unknown value 0xc009
Unknown value 0xc013
Unknown value 0x2f
Unknown value 0xc004
Unknown value 0xc00e
Unknown value 0x33
Unknown value 0x32
Unknown value 0xc007
Unknown value 0xc011
TLS_RSA_WITH_RC4_128_SHA
Unknown value 0xc002
Unknown value 0xc00c
Unknown value 0xc008
Unknown value 0xc012
TLS_RSA_WITH_3DES_EDE_CBC_SHA
Unknown value 0xc003
Unknown value 0xc00d
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
TLS_RSA_WITH_RC4_128_MD5
Unknown value 0xff
compression methods
https://github.com/mtigas/homebrew-ssldump has information about patches, but its setup refers to rtfc.com, which no longer appears to host ssldump.
I got it to work like this:
wget https://github.com/mtigas/homebrew-ssldump/raw/master/Formula/ssldump.rb > ssldump.rb
then edit ssldump.rb, changing:
url 'http://www.rtfm.com/ssldump/ssldump-0.9b3.tar.gz'
to:
#url 'http://www.rtfm.com/ssldump/ssldump-0.9b3.tar.gz'
url 'http://pkgs.fedoraproject.org/repo/pkgs/ssldump/ssldump-0.9b3.tar.gz/ac8c28fe87508d6bfb06344ec496b1dd/ssldump-0.9b3.tar.gz'
Then:
brew install ./ssldump.rb
And now:
New TCP connection #1: crab.lan(59275) <-> 216.136.133.204(443)
1 1 0.1790 (0.1790) C>S Handshake
ClientHello
Version 3.1
cipher suites
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
TLS_RSA_WITH_AES_128_CBC_SHA
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
TLS_DHE_RSA_WITH_AES_128_CBC_SHA
TLS_DHE_DSS_WITH_AES_128_CBC_SHA
TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
TLS_ECDHE_RSA_WITH_RC4_128_SHA
TLS_RSA_WITH_RC4_128_SHA
TLS_ECDH_ECDSA_WITH_RC4_128_SHA
TLS_ECDH_RSA_WITH_RC4_128_SHA
TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
TLS_RSA_WITH_3DES_EDE_CBC_SHA
TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
TLS_RSA_WITH_RC4_128_MD5
TLS_EMPTY_RENEGOTIATION_INFO_SCSV
compression methods