apache配置SSL
http://blog.chinaunix.net/uid-16979052-id-3549100.html一：制作根CA
要制作最高层认证中心，可以以一般使用者权限来做，不一定要是 root 。但如果做出来的最高层认证中心，是整个组织签发凭证要用的，建议以 root 的权限来做，比较安全。同理，制作凭证，也可以以一般使用者权限来做。但如果做出来的凭证，是这个伺服器要用的，为安全起见，建议以 root 的权限来做．
1：设定相关目录
# mkdir -pv /etc/ssl
mkdir: created directory `/etc/ssl'
# mkdir -pv /etc/ssl/private
mkdir: created directory `/etc/ssl/private'
# chmod og-rwx /etc/ssl/private/
# mkdir -pv /etc/ssl/certs
mkdir: created directory `/etc/ssl/certs'
# mkdir -pv /etc/ssl/crl
mkdir: created directory `/etc/ssl/crl'
#mkdir -pv /etc/ssl/newcerts
mkdir: created directory `/etc/ssl/newcerts'
2：设定openssl配置文件
# mv /usr/share/ssl/openssl.cnf /etc/ssl/
# ln -sv /etc/ssl/openssl.cnf /usr/share/ssl/openssl.cnf
create symbolic link `/usr/share/ssl/openssl.cnf' to `/etc/ssl/openssl.cnf'
# export OPENSSL_CONF="/etc/ssl/openssl.cnf"
# echo "# OpenSSL Setting Locate" >> ~/.bashrc
# echo "export OPENSSL_CONF=\"/etc/ssl/openssl.cnf\"" >> ~/.bashrc
# openssl rand -out /etc/ssl/private/.rand 1024 ##制作随机数
# chmod og-rwx /etc/ssl/private/.rand
# vi /etc/ssl/openssl.cnf ##编辑配置文件
dir = /etc/ssl
3：制作根CA的私钥
命令中genrsa是表示生成rsa格式的私钥，-des3是指使用的加密算法；-out是指私钥的输出路径；2048是指加密的位数．
# openssl genrsa -des3 -out /etc/ssl/private/redhatroot.key 2048
Generating RSA private key, 2048 bit long modulus
..........+++
.....................................+++
e is 65537 (0x10001)
Enter pass phrase for /etc/ssl/private/redhatroot.key: ##这里提示输入密码
Verifying - Enter pass phrase for /etc/ssl/private/redhatroot.key:
# chmod og-rwx /etc/ssl/private/redhatroot.key
4：填写凭证申请书
凭证申请书，是把你的资料，和这个 Public Key 夹在一起，以便认证中心审核，签上签名用的。所以这个步骤，会问你这个 Key 的相关资料，包括国家、城市、单位名称、部门名称、凭证名称、联络人的信箱，以及申请的效期等等。请一一填写。
# openssl req -new -key /etc/ssl/private/redhatroot.key -out /tmp/redhatroot.req
Enter pass phrase for /etc/ssl/private/redhatroot.key: ##输入上面生成redhatroot.key时设置密码
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) :CN
State or Province Name (full name) :GD
Locality Name (eg, city) :Dong Guan
Organization Name (eg, company) :none
Organizational Unit Name (eg, section) []:redhat
Common Name (eg, your name or your server's hostname) []:redhat
Email Address []:root@test.com
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
5：签发凭证，创建根CA
根CA因为没有上级了，没有人能给它签名，只能自己给自己签名．根CA最好永远不要过期。要是过期重签，所有原来它签发的凭证也都要重签，所有 SSL 程式也都要重新设定。所以我们效期签 7305 天（大约 20年）。若不设效期的话，预设是 30 天（一个月）。redhatroot.crt 是公钥凭证，要尽量散出去，让大家用。最好放到内部网路上，或放到网站上，让大家自己下载，自己加进去。
如：windows添加CA信任
下载ca证书到本地
可以 certmgr.msc打开证书管理控制台查看删除等。
# openssl x509 -req -days 7305 -sha256 -extfile /etc/ssl/openssl.cnf \
-extensions v3_ca -signkey /etc/ssl/private/redhatroot.key -in /tmp/redhatroot.req \
-out /etc/ssl/certs/redhatroot.crt
Signature ok
subject=/C=CN/ST=GD/L=Dong Guan/O=none/OU=redhat/CN=redhat/emailAddress=test@test.com
Getting Private key
Enter pass phrase for /etc/ssl/private/redhatroot.key: ##输入上面生成redhatroot.key时设置密码
# rm -f /tmp/redhatroot.req ##签完凭证，凭证申请书就不用了，可以删掉。
二：创建web证书
1：生成证书私钥
# openssl genrsa -out /etc/ssl/private/myhost.key 2048
Generating RSA private key, 2048 bit long modulus
..................+++
.............................................................................................................+++
e is 65537 (0x10001)
# chmod og-rwx /etc/ssl/private/myhost.key
2：填写凭证申请书
被问及Common Name的时候，请输入你的web服务器的完全限定域名（FQDN）例如：redhat.test.com．当被问及A challenge password的时候，直接按回车继续。如果你没有在第二步从key中把passphrase删除，那么每次你运行/usr/local/httpd/apachectl start启动服务器的时候你都要输入密码。这也就意味着如果你的服务器因为某些原因重新启动了，除非你在服务器旁手动敲入了密码，否则你的web服务器就不会启动。
# openssl req -new -key /etc/ssl/private/myhost.key -out /tmp/myhost.req
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) :CN
State or Province Name (full name) :GD
Locality Name (eg, city) :Dong Guan
Organization Name (eg, company) :none
Organizational Unit Name (eg, section) []:www
Common Name (eg, your name or your server's hostname) []:redhat.test.com##也可以使用*.test.com这里很重要
Email Address []:root@test.com
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []: ##这里不要输入密码
An optional company name []:
3：生成web证书
# openssl x509 -req -days 3650 -sha256 -extfile \
/etc/ssl/openssl.cnf -extensions v3_req -CA /etc/ssl/certs/redhatroot.crt \
-CAkey /etc/ssl/private/redhatroot.key -CAserial /etc/ssl/redhatroot.srl -CAcreateserial \
-in /tmp/myhost.req -out /etc/ssl/certs/myhost.crt
Signature ok
subject=/C=CN/ST=GD/L=Dong Guan/O=none/OU=www/CN=redhat.test.com/emailAddress=root@test.com
Getting CA Private Key
Enter pass phrase for /etc/ssl/private/redhatroot.key:
# rm -f /tmp/myhost.req
三：配置Apache
1：编辑httpd.conf
编辑httpd.conf的内容以启用ssl支持，如果在安装apache时没有加载ssl模块，那么需要重新安装或编译．需启用LoadModule ssl_module modules/mod_ssl.so（第80行）及 Include /etc/httpd/extra/httpd-ssl.conf（第456行）
# vi /etc/httpd/httpd.conf
LoadModule ssl_module modules/mod_ssl.so ##启用这两行
Include /etc/httpd/extra/httpd-ssl.conf
#
#ServerName redhat.test.com ##注释这几行，如果有的话
#DocumentRoot /var/www/extsuite/extmail/html/
#ScriptAlias /extmail/cgi /var/www/extsuite/extmail/cgi
#Alias /extmail /var/www/extsuite/extmail/html
#ScriptAlias /extman/cgi /var/www/extsuite/extman/cgi
#Alias /extman /var/www/extsuite/extman/html
#SuexecUserGroup vmail vmail
#Alias /phpadmin /var/www/phpadmin
#
2：添加相关证书文件
# cp /etc/ssl/certs/myhost.crt /etc/httpd/server.crt
# cp /etc/ssl/private/myhost.key /etc/httpd/server.key
3：设置httpd-ssl.conf文件
对照修改以下的地方就可以了，重启后Apache就可以支持SSL了．
# vi /etc/httpd/extra/httpd-ssl.conf
# General setup for the virtual host
#DocumentRoot "/usr/local/httpd/htdocs"
#ServerName www.example.com:443
#ServerAdmin you@example.com
ServerName redhat.test.com:443
DocumentRoot /var/www/extsuite/extmail/html/
ScriptAlias /extmail/cgi /var/www/extsuite/extmail/cgi
Alias /extmail /var/www/extsuite/extmail/html
ScriptAlias /extman/cgi /var/www/extsuite/extman/cgi
Alias /extman /var/www/extsuite/extman/html
SuexecUserGroup vmail vmail
Alias /phpadmin /var/www/phpadmin
ErrorLog /usr/local/httpd/logs/error_log
TransferLog /usr/local/httpd/logs/access_log
# SSL Engine Switch:
4：重启服务
# /usr/local/httpd/bin/apachectl stop
# /usr/local/httpd/bin/apachectl start
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