1、安装mod_headers.c模块

[root@localhost ~]# cd /usr/local/src/httpd-2.2.16/modules
[root@localhost modules]# ls
aaa         database  experimental  ldap         mappers        README
arch        dav       filters       loggers      metadata       ssl
cache       debug     generators    Makefile     NWGNUmakefile  test
config5.m4  echo      http          Makefile.in  proxy
[root@localhost modules]# cd metadata/
[root@localhost metadata]# /usr/local/apache2/bin/apxs -i -a -c -n headers mod_headers.c
//用apxs工具添加模块

2、修改Apache配置文件

[root@localhost htdocs]# vim /usr/local/apache2/conf/httpd.conf
<IFModule mod_headers.c>
Header add MyHeader "hello"
</IFModule>

3、测试

[root@localhost htdocs]# curl -I 192.168.0.104/1.php
HTTP/1.1 200 OK
Date: Sat, 19 Apr 2014 02:45:13 GMT
Server: Apache/2.2.16 (Unix) PHP/5.3.27
X-Powered-By: PHP/5.3.27
MyHeader: hello   //定义的header
Content-Type: text/html