Excerpts from Finjon Kiang's message of Fri Dec 02 15:28:56 UTC 2011: > Three environments: > # PHP Version 5.3.5-1ubuntu7.3 > Suhosin Patch 0.9.10 > Apache/2.2.17 (Ubuntu) > OpenSSL 0.9.8o 01 Jun 2010 > > $ uname -a > Linux xxx #50-Ubuntu SMP Mon Sep 12 21:51:23 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux > $ openssl s_client -host aquarius.neweb.com.tw -port 443 > CONNECTED(00000003) > 28269:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:188: > The site doesn't seem to support SSLv3 $ openssl s_client -host aquarius.neweb.com.tw -port 443 CONNECTED(00000003) 140489793156768:error:1409E0E5:SSL routines:SSL3_WRITE_BYTES:ssl handshake failure:s3_pkt.c:591: --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 0 bytes and written 0 bytes --- New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE SSL-Session: Protocol : SSLv3 Cipher : 0000 Session-ID: Session-ID-ctx: Master-Key: Key-Arg : None PSK identity: None PSK identity hint: None Start Time: 1322848731 Timeout : 7200 (sec) Verify return code: 0 (ok) --- On an older openssl: $ openssl s_client -host aquarius.neweb.com.tw -port 443 CONNECTED(00000003) depth=2 /C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External CA Root verify return:1 depth=1 /C=US/ST=UT/L=Salt Lake City/O=The USERTRUST Network/OU=http://www.usertrust.com/CN=UTN-USERFirst-Hardware verify return:1 depth=0 /C=TW/postalCode=11510/ST=Taiwan/L=Taipei/streetAddress=7F., No.52, Sec. 3, Nangang Rd., Nangang Dist., Taipei City 11510, Taiwan (R.O.C.)/O=Neweb Technologies Co., Ltd./OU=MIS/OU=Provided by Global Digital Inc./OU=GlobalTrustSSLWildcard/CN=*.neweb.com.tw verify return:1 --- Certificate chain 0 s:/C=TW/postalCode=11510/ST=Taiwan/L=Taipei/streetAddress=7F., No.52, Sec. 3, Nangang Rd., Nangang Dist., Taipei City 11510, Taiwan (R.O.C.)/O=Neweb Technologies Co., Ltd./OU=MIS/OU=Provided by Global Digital Inc./OU=GlobalTrustSSLWildcard/CN=*.neweb.com.tw i:/C=US/ST=UT/L=Salt Lake City/O=The USERTRUST Network/OU=http://www.usertrust.com/CN=UTN-USERFirst-Hardware 1 s:/C=US/ST=UT/L=Salt Lake City/O=The USERTRUST Network/OU=http://www.usertrust.com/CN=UTN-USERFirst-Hardware i:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External CA Root 2 s:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External CA Root i:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External CA Root --- Server certificate -----BEGIN CERTIFICATE----- MIIGPjCCBSagAwIBAgIRAPzAoe3QmtGF36gPqlNpvCwwDQYJKoZIhvcNAQEFBQAw gZcxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJVVDEXMBUGA1UEBxMOU2FsdCBMYWtl IENpdHkxHjAcBgNVBAoTFVRoZSBVU0VSVFJVU1QgTmV0d29yazEhMB8GA1UECxMY aHR0cDovL3d3dy51c2VydHJ1c3QuY29tMR8wHQYDVQQDExZVVE4tVVNFUkZpcnN0 LUhhcmR3YXJlMB4XDTExMDExNDAwMDAwMFoXDTE0MDExMzIzNTk1OVowggE1MQsw CQYDVQQGEwJUVzEOMAwGA1UEERMFMTE1MTAxDzANBgNVBAgTBlRhaXdhbjEPMA0G A1UEBxMGVGFpcGVpMVswWQYDVQQJE1I3Ri4sIE5vLjUyLCBTZWMuIDMsIE5hbmdh bmcgUmQuLCBOYW5nYW5nIERpc3QuLCBUYWlwZWkgQ2l0eSAxMTUxMCwgVGFpd2Fu IChSLk8uQy4pMSUwIwYDVQQKExxOZXdlYiBUZWNobm9sb2dpZXMgQ28uLCBMdGQu MQwwCgYDVQQLEwNNSVMxKDAmBgNVBAsTH1Byb3ZpZGVkIGJ5IEdsb2JhbCBEaWdp dGFsIEluYy4xHzAdBgNVBAsTFkdsb2JhbFRydXN0U1NMV2lsZGNhcmQxFzAVBgNV BAMUDioubmV3ZWIuY29tLnR3MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEAjMKy7p5wVfGxzCTM7+FlsnuIqBU6ze084OOUjSOs6BKjy1N1d3QJ9XYSn84Q a3PkLl5BIwf9tQZu6BFO+KBxwXxwpIHs5GRLt89CxPxQk7qmguHJxkI05YIJqzXy B2VYTAuGS9fZKmUj8zcFzK+JGlS0yuOTUquR2TAP5AFb1QjRdylF6pOEzoHi1LHn ljeli6Qu01oRbj1TyjBP6WEVdxhOhMqtF3XMq7byXt3J3MqUO5fpf9DXmlkrpr7k 3ZvcPqvfr/dWn+xBkdOvmV2Uavt2f/CUydpVl4OdofH6I6GQBpHI9Z8KMnDtEDJt H1WNf/AOPPM6ioCTtB/waB0BLQIDAQABo4IB4jCCAd4wHwYDVR0jBBgwFoAUoXJf JhsomEOVXQc31YWWnUvSw0UwHQYDVR0OBBYEFFtVjtANLFGUo7ivkaxYzWWVCnVo MA4GA1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjBGBgNVHSAEPzA9MDsGDCsGAQQBsjEBAgEDBDArMCkGCCsG AQUFBwIBFh1odHRwczovL3NlY3VyZS5jb21vZG8uY29tL0NQUzB7BgNVHR8EdDBy MDigNqA0hjJodHRwOi8vY3JsLmNvbW9kb2NhLmNvbS9VVE4tVVNFUkZpcnN0LUhh cmR3YXJlLmNybDA2oDSgMoYwaHR0cDovL2NybC5jb21vZG8ubmV0L1VUTi1VU0VS Rmlyc3QtSGFyZHdhcmUuY3JsMHEGCCsGAQUFBwEBBGUwYzA7BggrBgEFBQcwAoYv aHR0cDovL2NydC5jb21vZG9jYS5jb20vVVROQWRkVHJ1c3RTZXJ2ZXJDQS5jcnQw JAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmNvbW9kb2NhLmNvbTAnBgNVHREEIDAe gg4qLm5ld2ViLmNvbS50d4IMbmV3ZWIuY29tLnR3MA0GCSqGSIb3DQEBBQUAA4IB AQCRBBiwMUa8QmUnu1fP8OCVUZeFsXzYy0oePWlTkWOMzbg8Nhxc3Uc7vCXcZtKk FNecxDqYxnQd1MgqfMuogCVtQxcB00CzvB244YNPxO7/w6jzGSrer2M2PA3UgU86 G+HISIlp41M1pVOqEkZVqP+El/K7OdKDF+0MaQ9o90d9XB9jxJmOchxAoMtgzreR JJObEWMnHlJpjgrpvKrc5XLIXtDTjgZOKn2RvRoBjIjssNIBnBwb88KUhXdEJRmS LExEaveGk+h6Zwm3bGx51/Y3EUw1c3p2p+1KpygH3DRInYToy44+yOTY6AtlUzee A3O+goDgL0IO3Qhez3gSgKll -----END CERTIFICATE----- subject=/C=TW/postalCode=11510/ST=Taiwan/L=Taipei/streetAddress=7F., No.52, Sec. 3, Nangang Rd., Nangang Dist., Taipei City 11510, Taiwan (R.O.C.)/O=Neweb Technologies Co., Ltd./OU=MIS/OU=Provided by Global Digital Inc./OU=GlobalTrustSSLWildcard/CN=*.neweb.com.tw issuer=/C=US/ST=UT/L=Salt Lake City/O=The USERTRUST Network/OU=http://www.usertrust.com/CN=UTN-USERFirst-Hardware --- No client certificate CA names sent --- SSL handshake has read 3985 bytes and written 447 bytes --- New, TLSv1/SSLv3, Cipher is AES256-SHA Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE SSL-Session: Protocol : TLSv1 Cipher : AES256-SHA Session-ID: 0000712C8184886D3C78FFFAC431ABF703843D95585858584ED9122B0000269F Session-ID-ctx: Master-Key: 26E6F0E074E2ABD6FF10360AA61F7D9CFF213844506EF14B3419146E1D3B950AF75DC452D4C0CCE46829DD8CE1559851 Key-Arg : None Krb5 Principal: None Start Time: 1322848811 Timeout : 300 (sec) Verify return code: 0 (ok) --- And with SSLv3 forced on the same version: $ openssl s_client -host aquarius.neweb.com.tw -port 443 -ssl3 CONNECTED(00000003) 13713:error:1409E0E5:SSL routines:SSL3_WRITE_BYTES:ssl handshake failure:s3_pkt.c:530: SSLv2 has been gone for some time now: openssl (0.9.8o-1ubuntu3) maverick; urgency=low * debian/patches/no-sslv2.patch: disable SSLv2 to match NSS and GnuTLS. The protocol is unsafe and extremely deprecated. (Debian bug 589706) -- Kees Cook