windows – 错误设置stunnel服务器：`SSL3_GET_CLIENT_HELLO：错

我正在 Windows XP上设置一个stunnel服务器,当客户端尝试访问时我得到了这个错误：

2013.02.14 00:02:16 LOG7[8848:7664]: Service [https] accepted (FD=320) from 107.20.36.147:56160
2013.02.14 00:02:16 LOG7[8848:7664]: Creating a new thread
2013.02.14 00:02:16 LOG7[8848:7664]: New thread created
2013.02.14 00:02:16 LOG7[8848:9792]: Service [https] started
2013.02.14 00:02:16 LOG5[8848:9792]: Service [https] accepted connection from 107.20.36.147:56160
2013.02.14 00:02:16 LOG7[8848:9792]: SSL state (accept): before/accept initialization
2013.02.14 00:02:16 LOG7[8848:9792]: SSL alert (write): fatal: handshake failure
2013.02.14 00:02:16 LOG3[8848:9792]: SSL_accept: 1408A10B: error:1408A10B:SSL routines:SSL3_GET_CLIENT_HELLO:wrong version number
2013.02.14 00:02:16 LOG5[8848:9792]: Connection reset: 0 byte(s) sent to SSL,0 byte(s) sent to socket
2013.02.14 00:02:16 LOG7[8848:9792]: Local socket (FD=320) closed
2013.02.14 00:02:16 LOG7[8848:9792]: Service [https] finished (0 left)

知道该怎么办吗？我在网上看到,这可能意味着我的服务器正在宣传它可以在SSL3中进行通信,但事实上它不能.如果这是真的,我想知道如何解决这个问题.我正在编辑stunnel.conf文件,但我不知道要修改它以解决这个问题.

更新：

仅当Twilio客户端(即Twilio的服务器)尝试访问我的服务器时,才会显示上述错误消息.当我尝试使用我的某台计算机访问我的服务器时,该页面确实显示,但在显示内容后,Chrome会将该页面显示为“加载”大约30秒,在此结束时,stunnel会显示以下消息：

transfer: s_poll_wait: TIMEOUTclose exceeded: closing

更新：

这是wireshark捕获：https://gist.github.com/cool-RR/4963477

上限文件：https://dl.dropbox.com/u/1927707/wireshark.cap

请注意,服务器在端口8088上运行.

更新：

这是服务器的日志(debug = 7)：

2013.02.17 17:06:52 LOG7[7636:2092]: No limit detected for the number of clients
2013.02.17 17:06:52 LOG5[7636:2092]: stunnel 4.54 on x86-pc-msvc-1500 platform
2013.02.17 17:06:52 LOG5[7636:2092]: Compiled/running with OpenSSL 1.0.1c-fips 10 May 2012
2013.02.17 17:06:52 LOG5[7636:2092]: Threading:WIN32 SSL:+ENGINE+OCSP+FIPS Auth:none Sockets:SELECT+IPv6
2013.02.17 17:06:52 LOG5[7636:2092]: Reading configuration from file stunnel.conf
2013.02.17 17:06:52 LOG5[7636:2092]: FIPS mode is enabled
2013.02.17 17:06:52 LOG7[7636:2092]: Compression not enabled
2013.02.17 17:06:52 LOG7[7636:2092]: Snagged 64 random bytes from C:Documents and SettingsUser/.rnd
2013.02.17 17:06:52 LOG7[7636:2092]: Wrote 1024 new random bytes to C:Documents and SettingsUser/.rnd
2013.02.17 17:06:52 LOG7[7636:2092]: PRNG seeded successfully
2013.02.17 17:06:52 LOG6[7636:2092]: Initializing service [https]
2013.02.17 17:06:52 LOG7[7636:2092]: Certificate: G:DropboxStartSSLSSL Cert.pem
2013.02.17 17:06:52 LOG7[7636:2092]: Certificate loaded
2013.02.17 17:06:52 LOG7[7636:2092]: Key file: G:DropboxStartSSLSSL Cert.pem
2013.02.17 17:06:52 LOG7[7636:2092]: Private key loaded
2013.02.17 17:06:52 LOG7[7636:2092]: Could not load DH parameters from G:DropboxStartSSLSSL Cert.pem
2013.02.17 17:06:52 LOG7[7636:2092]: Using hardcoded DH parameters
2013.02.17 17:06:52 LOG7[7636:2092]: DH initialized with 2048-bit key
2013.02.17 17:06:52 LOG7[7636:2092]: ECDH initialized with curve prime256v1
2013.02.17 17:06:52 LOG7[7636:2092]: SSL options set: 0x03000004
2013.02.17 17:06:52 LOG5[7636:2092]: Configuration successful
2013.02.17 17:06:52 LOG7[7636:2092]: Service [https] (FD=268) bound to 0.0.0.0:8088
2013.02.17 17:07:08 LOG7[7636:2092]: Service [https] accepted (FD=320) from 54.242.25.199:45922
2013.02.17 17:07:08 LOG7[7636:2092]: Creating a new thread
2013.02.17 17:07:08 LOG7[7636:2092]: New thread created
2013.02.17 17:07:08 LOG7[7636:8004]: Service [https] started
2013.02.17 17:07:08 LOG5[7636:8004]: Service [https] accepted connection from 54.242.25.199:45922
2013.02.17 17:07:08 LOG7[7636:8004]: SSL state (accept): before/accept initialization
2013.02.17 17:07:08 LOG7[7636:8004]: SSL alert (write): fatal: handshake failure
2013.02.17 17:07:08 LOG3[7636:8004]: SSL_accept: 1408A10B: error:1408A10B:SSL routines:SSL3_GET_CLIENT_HELLO:wrong version number
2013.02.17 17:07:08 LOG5[7636:8004]: Connection reset: 0 byte(s) sent to SSL,0 byte(s) sent to socket
2013.02.17 17:07:08 LOG7[7636:8004]: Local socket (FD=320) closed
2013.02.17 17:07:08 LOG7[7636:8004]: Service [https] finished (0 left)

更新：

Here’s my stunnel.conf file.

您需要进行网络跟踪以确定客户端支持的SSL协议版本.然后确保您的服务器也支持该版本.

A client sends a ClientHello message specifying the highest TLS
protocol version it supports,a random number,a list of suggested
CipherSuites and suggested compression methods.

Source

请注意,由于重新协商中存在安全漏洞,几年前SSL协议已更改.有关SSL重新协商的信息,请参阅CVE-2009-3555和this page

服务器响应：

Secure Sockets Layer
    SSLv3 Record Layer: Alert (Level: Fatal,Description: Handshake Failure)
        Content Type: Alert (21)
        Version: SSL 3.0 (0x0300)
        Length: 2
        Alert Message
            Level: Fatal (2)
            Description: Handshake Failure (40)

您必须检查SSL服务器上的日志,以查看它拒绝连接的原因.尝试在stunnel上启用SSL调试：debug = 7.

stunnel服务器有options = NO_SSLv3,但客户端正在尝试使用SSLv3进行连接.您需要升级客户端以支持更新版本的SSL,或者您需要更改stunnel配置以接受SSLv3.

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