Haproxy实现多域名证书HTTPS

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我们讲到，使用 Nginx 实现多域名证书 HTTPS(http://www.linuxidc.com/Linux/2015-12/126539.htm), 通过重新编译 Nginx 实现 TLS SNI Support 打开，那么使用 Haproxy 如何实现呢？

要求：

Haproxy 必须要 1.5 以上的版本

第一步：openssl 的安装

tar zxf openssl-0.9.8zh.tar.gz
cd openssl-0.9.8zh
./config enable-tlsext –prefix=/usr/local/openssl no-shared
make && make install_sw
# 以上安装不影响系统中的 openssl 版本，主要就是打开 openssl 的 TLS SNI 功能

第二步:Haproxy 的安装

tar zxf haproxy-1.5.15.tar.gz
cd haproxy-1.5.15
make TARGET=linux26 USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 ARCH=x86_64 PREFIX=/usr/local/haproxy1.5.15 SSL_INC=/usr/local/openssl/include SSL_LIB=/usr/local/openssl/lib ADDLIB=-ldl
make TARGET=linux26 USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 ARCH=x86_64 PREFIX=/usr/local/haproxy1.5.15 SSL_INC=/usr/local/openssl/include SSL_LIB=/usr/local/openssl/lib ADDLIB=-ldl install
# 记得上面要指定 openssl 的地址，haproxy 没有 config 这步

第三步：生成证书

[root@gz122haproxy95 ～]# mkdir ~/keys
[root@gz122haproxy95 keys]# cd ~/keys
[root@gz122haproxy95 keys]# openssl genrsa -out passport.abc.com.key 2048
[root@gz122haproxy95 keys]# openssl req -new -key passport.abc.com.key -out passport.abc.com.csr

You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter ‘.’, the field will be left blank.
—–
Country Name (2 letter code) [GB]:CN #国家
State or Province Name (full name) [Berkshire]:GuangDong #省份
Locality Name (eg, city) [Newbury]:ShenZhen #城市
Organization Name (eg, company) [My Company Ltd]:Test.Inc #公司名称
Organizational Unit Name (eg, section) []:passport.abc.com #组织名称
Common Name (eg, your name or your server’s hostname) []:passport.abc.com #域名
Email Address []:passport@abc.com
Please enter the following ‘extra’ attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
[root@gz122haproxy95 keys]# openssl x509 -req -days 3650 -in passport.abc.com.csr -signkey passport.abc.com.key -out passport.abc.com.crt
[root@gz122haproxy95 keys]# cat passport.abc.com.crt passport.abc.com.key |tee passport.abc.com.pem

按照以上方法依次生成 www.test.com admin.abc.com 的证书文件，每个站点最后会有一个 pem 文件生成

配置 Haproxy 的配置文件:

frontend http_server
bind :80
bind :443 ssl crt /etc/haproxy/keys/www.test.com.pem crt /etc/haproxy/keys/admin.test.com.pem crt /etc/haproxy/keys/passport.abc.com.pem
#按照如上规则如果多个站点就可以使用同样的规则 bind :443 ssl crt $filepath crt $file2path crt $file3path

mode http

acl ssl hdr_reg(host) -i ^(www.test.com|admin.test.com|passport.abc.com)$
redirect scheme https code 301 if !{ssl_fc} ssl
#对以上站点进行 https 跳转

acl wwwtest_com hdr_reg(host) -i $(
use_backend www_test_com if wwwtest_com {ssl_fc_sni www.test.com}
#这里就是证书的对应部分，如
acl admintest_com hdr_dom(host) -i admin.test.com
use_backend admin_test_com if admintest_com {ssl_fc_sni admin.test.com}
acl passportabc_com hdr_dom(host) -i passport.abc.com
use_backend pasport_abc_com if passport_abc_com {ssl_fc_sni passport.abc.com}

backend www_test_com
server test2 192.168.10.2:80 check port 80 inter 5000 rise 2 fall 3 weight 1
backend admin_test_com
server test4 192.168.10.4:80 check port 80 inter 5000 rise 2 fall 3 weight 1
backend passport_abc_com
server test5 192.168.10.5:80 check port 80 inter 5000 rise 2 fall 3 weight 1