Apache下启用SSL，实现https访问。
首先安装SSL，再编译安装Apache，再配置证书即可1.下载apache和openssl
http://www.apache.org
http://www.openssl.org
2.解压
#tar zxvf httpd-2.0.54.tar.gz
#tar zxvf openssl-0.9.7g.tar.gz
3.编译安装openssl,这个软件主要是用来生成证书：
#cd openssl-0.9.7g
#./config
#make
#make test
#make install
把openssl放进内核目录下，使其在任何目录下都能运行。
#cd /usr/local/bin
#ln -s /usr/local/ssl/bin/openssl openssl
4.编译安装httpd
#cd /opt/httpd-2.0.54
#./configure --prefix="/opt/apache2" --enable-so --enable-ssl --with-ssl="/usr/local/ssl/bin"
#make
#make install
5.安装完毕，生成证书：
在/opt/apache2/conf下建立一个ssl.key目录
#cd ../apache2/
#cd conf/
#mkdir ssl.key
然后在该目录下生成证书：
#cd ssl.key/
生成服务器私钥：
#openssl genrsa -des3 -out server.key 1024
Generating RSA private key, 1024 bit long modulus
.......................++++++
.................................................++++++
e is 65537 (0x10001)
Enter pass phrase for server.key:
Verifying - Enter pass phrase for server.key:
生成服务器证书请求，并按要求填些相关证书信息：
#openssl req -new -key server.key -out server.csr
如果要生成中文证书用
#openssl req -utf8 -new -key server.key -out server.csr
Enter pass phrase for server.key:
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) :
State or Province Name (full name) :
Locality Name (eg, city) []:tyl
Organization Name (eg, company) :tz
Organizational Unit Name (eg, section) []:tz
Common Name (eg, YOUR name) []:tyl（这个名字要和计算机的名字一样）
Email Address []:tangyl@ruyi.com
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
签证：
# openssl x509 -req -days 700 -in server.csr -signkey server.key -out server.cert
Signature ok
subject=/C=AU/ST=Some-State/L=tyl/O=tz/OU=tz/CN=tyl/emailAddress=tangyl@ruyi.com
Getting Private key
Enter pass phrase for server.key:
为了安全，然后我们把这些文件的权限都设为400
# chmod 400 server.key
# chmod 400 server.cert
最后对/opt/apache2/conf/ssl.conf 进行修改：
# vi /opt/apache2/conf/ssl.conf
修改的地方如下几处：
#SSLCertificateFile /opt/apache2/conf/ssl.crt/server.crt #108行
SSLCertificateFile /opt/apache2/conf/ssl.key/server.cert
#SSLCertificateFile /opt/apache2/conf/ssl.crt/server-dsa.crt
SSLCertificateKeyFile /opt/apache2/conf/ssl.key/server.key #116行
#SSLCertificateKeyFile /opt/apache2/conf/ssl.key/server-dsa.key
这样我们就基本配好了ssl现在我们来让apache启动ssl
# /opt/apache2/bin/apachectl startssl
然后要求输入证书密码，正确输入后ssl就连同apache一起启动
已经安装apache的情况：
必须先在Linux下安装apache 服务
执行:
# yum install mod_ssl
就会出现：Loaded plugins: rhnplugin, security
This system is not registered with RHN.
RHN support will be disabled.
Setting up Install Process
Resolving Dependencies
–> Running transaction check
—> Package mod_ssl.i386 1:2.2.3-31.el5 set to be updated
–> Finished Dependency Resolution
Dependencies Resolved
===============================================
Package Arch Version Repository Size
===============================================
Installing:
mod_ssl i386 1:2.2.3-31.el5 file 88 k
Transaction Summary
===============================================
Install 1 Package(s)
Update 0 Package(s)
Remove 0 Package(s)
Total download size: 88 k
Is this ok : y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : mod_ssl 1/1
Installed:
mod_ssl.i386 1:2.2.3-31.el5
Complete!
然后手动创建证书：
# cd /etc/pki/tls/certs/
# make auth.key (创建一个名为auth的SSL私钥）
umask 77 ; \
/usr/bin/openssl genrsa -des3 1024 > auth.key
Generating RSA private key, 1024 bit long modulus
……………………………….++++++
……………………….++++++
e is 65537 (0×10001)
Enter pass phrase:
Verifying – Enter pass phrase:
# make auth.crt (创建一个名为auth的证书）
umask 77 ; \
/usr/bin/openssl req -new -key auth.key -x509 -days 365 -out auth.crt -set_serial 0
Enter pass phrase for auth.key: (输入刚才的私钥密码）
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 (国家）
State or Province Name (full name) :liaoning （地区）
Locality Name (eg, city) :dalian (城市）
Organization Name (eg, company) :IBM （组织机构名）
Organizational Unit Name (eg, section) []:IBM （全名）
Common Name (eg, your name or your server’s hostname) []:WWW.IBM.COM （公共名称）
Email Address []: （邮箱）
8.再次重新配置我们的httpd
在/usr/local/apache2/conf/httpd.conf里面做下面修改
1) LoadModule ssl_module /etc/httpd/modules/mod_ssl.so（加上这句）
Include conf/extra/httpd-ssl.conf 去掉两行前面的#
2)注意修改httpd-ssl.conf 文件里的两个字段：
SSLCertificateFile /etc/pki/tls/certs/auth.crt
SSLCertificateKeyFile /etc/pki/tls/private/auth.key
这样我们就基本配好了ssl现在我们来让apache启动ssl
/usr/local/apache2/bin/apachectl start
然后要求输入证书密码，正确输入后ssl就连同apache一起启动
这次我输入的密码都是：123456，只要不混淆的情况下你可以随便设置。
自己看法：我觉得进去的时候先检查httpd.conf然后就会启动一些配置，我们的设置就会生效。这个方案最红使用的是apache自带的mod_SSL的模块，并没有使用openssl的加密过程，但是第一种方案使用的是openssl，具体过程可能比较复杂，不知道怎么实现的。上面的一些步骤可能有些多余，但是我在原理方面不太清楚，所以就不知道那些该删，那些该留。
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