重新编译iptables

                                              重新编译 iptables
一.重新编译后的内核版本为: 2.6.28 .10
重新编译后的 iptables 的版本为: 1.4.4 ,新添加了 layer7 的模块,使 iptables 可以工作在应用层
二.编译时需要用到的四个软件包为:
linux- 2.6.28 .10.tar.gz
netfilter-layer7-v2.22.tar.gz
iptables- 1.4.4 .tar.bz2
l7-protocols- 2009-05-28 .tar.gz
三.步骤:
1. tar zxvf  linux- 2.6.28 .10.tar.gz  -C  /usr/src
2. tar zxvf  netfilter-layer7-v2.22.tar.gz  -C  /usr/src
3. ln �Cs  /usr/src/linux- 2.6.28 .10/   /usr/src/linux
4. cd /usr/src/linux/
5. patch -p1  <  ../netfilter-layer7-v2.22/kernel- 2.6.25 -2.6.28-layer7-2.22.patch
6. cp /boot/config- 2.6.18 -164.el5  /usr/src/linux/.config
7. make  menuconfig make menuconfig 之前,要确认你的gcc 开发工具装上)
8.
Networking support Networking Options Network packet filtering framework Code Netfilter Configuration
<M>  Netfilter connection tracking support
<M>  FTP protocol support
<M>  “layer7” match support
<M>  “string” match support
<M>  “time”  match support
<M>  “iprange”  match support
<M>  “connlimit”  match support
<M>  “state”  match support
<M>  “conntrack”  connection  match support
<M>  “mac”  address  match support
<M>   "multiport" Multiple port match support
9.
Networking support Networking Options Network packet filtering framework IP: Netfilter Configuration
<M> IPv4 connection tracking support (required for NAT)
<M>   Full NAT
<M>MASQUERADEtargetsupport                                                                                  
 <M>NETMAPtargetsupport                                                                              
<M> REDIRECT target support
10. make
11.make modules_install
12.make install
然后编辑 /boot/grub/grub.conf 文件,设置 default 的值为 0 ,然后重新启动计算机
13. cp /etc/rc.d/init.d/iptables ~/iptables
14. rpm  -e  iptables-ipv6  iptables  iptstate  --nodeps
15. tar jxvf iptables- 1.4.4 .tar.bz2 �CC  /usr/src
16.cd /usr/src/iptables- 1.4.4
17.cp ../netfilter-layer7-v2.22/iptables- 1.4.3 forward-for-kernel-2.6.20forward/libxt_layer7.*   ./extensions/
18. ./configure  --prefix=/usr  --with-ksource=/usr/src/linux
19.make
20.make install
21.tar zxvf l7-protocols- 2009-05-28 .tar.gz
22. cd l7-protocols- 2009-05-28
23.make install
24. mv ~/iptables  /etc/rc.d/init.d/
25.ln �Csv /usr/sbin/iptables /sbin/iptables
25.service iptables start
然后就可以利用重新编译后的 iptables 做应用层的设置,以此达到希望的效果。

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