Layer7 IMQ Route Multipath Loadbalance Debian Lenny 2.6.28

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Debian Lenny, Clarkconnect Enterprise 4.3 Kernel 2.6.28.10, iptables 1.4.3 IMQ Route_Multipath patch contribute and test by [email protected] June 13 2009( Update 19 July 2009 )
วิธีการด้านล่างนี้ทั้งหมดทั้งสิ้นอาจมีข้อผิดพลาดซึ้งไม่รับประกันการใช้งานใด้ๆทั้งสิ้น ด้านล่างนี้เป็นการคอนฟิกหลักบน Debian Lenny, Clarkconnect 4.3 ( Kernel 2.6.28 + Layer7 + IMQ + Multipath Route ) ซึ่งสามารถทำงานบน Virtual interface และ Loadbalance Wan interface ได้

Debian
[root@gateway ~]# apt-get install gzip unzip bzip2
[root@gateway ~]# apt-get install debhelper screen fakeroot zlib1g-dev build-essential libncurses5-dev kernel-package
Clarkconnect 4.3
[root@gateway ~]# apt-get install cc-devel

ดาวโหลด Package 

[root@gateway ~]# wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.28.10.tar.bz2
[root@gateway ~]# wget http://ufpr.dl.sourceforge.net/sourceforge/l7-filter/netfilter-layer7-v2.22.tar.gz
[root@gateway ~]# wget http://ufpr.dl.sourceforge.net/sourceforge/l7-filter/l7-protocols-2009-05-28.tar.gz
[root@gateway ~]# wget http://www.ssi.bg/~ja/routes-2.6.28-16.diff
[root@gateway ~]# wget http://www.linuximq.net/patchs/linux-2.6.28.9-imq-test2.diff
[root@gateway ~]# wget http://www.linuximq.net/patchs/iptables-1.4.3.2-imq_xt.diff
[root@gateway ~]# wget http://www.netfilter.org/projects/iptables/files/iptables-1.4.3.2.tar.bz2

แตกไฟล์ออกมา 

[root@gateway ~]# tar xjfv linux-2.6.28.10.tar.bz2
[root@gateway ~]# tar xjfv iptables-1.4.3.2.tar.bz2
[root@gateway ~]# tar zxvf netfilter-layer7-v2.22.tar.gz
[root@gateway ~]# tar xzfv l7-protocols-2009-05-28.tar.gz

สร้าง Symbol Link 

[root@gateway ~]# ln -s /usr/src/linux-2.6.28.10 /usr/src/linux

Patch Kernel ด้วย patch file 

[root@gateway ~]# cd linux 
[root@gateway ~]# patch -p1 </usr/src/netfilter-layer7-v2.22/kernel-2.6.25-2.6.28-layer7-2.22.patch
[root@gateway ~]# patch -p1 </usr/src/routes-2.6.28-16.diff
[root@gateway ~]# patch -p1 </usr/src/linux-2.6.28.9-imq-test2.diff
Config Kernel
[root@gateway ~]# make menuconfig

<source lang=bash> Networking support > Networking options > Network packet filtering framework (Netfilter) > Core Netfilter Configuration. [ ] layer7 match support

[*] select all [M] select all

<M> "IMQ" target support <M> "layer7" match support [*] "Layer7" debugging output

Networking support > Networking options > Network packet filtering framework (Netfilter) > IP: Netfilter Configuration.

[*] select all [M] select all <M> Full NAT

</source> Exit Save .config

คอมไพล์และติดตั้งมันซะ Deb + CC4.3 ( Options 1 ) 

[root@gateway ~]# make && make modules && make modules_install && make install

ทำให้มันบูท Kernel ใหม่ ( Debian Only ) CC4.3 ไม่ต้องทำ 

[root@gateway ~]# cd /boot
[root@gateway ~]# mkinitramfs -o initrd.img-2.6.28.10 2.6.28.10
[root@gateway ~]# update-grub
[root@gateway ~]# reboot

ถ้าต้องการ Compile และสร้าง .deb ด้วย ใช้คำสั่ง ( Options 2 ) 

[root@gateway ~]# make clean && make mrproper
[root@gateway ~]# make menuconfig

<source lang=bash> Networking support > Networking options > Network packet filtering framework (Netfilter) > Core Netfilter Configuration. [ ] layer7 match support

[*] select all [M] select all

<M> "IMQ" target support <M> "layer7" match support [*] "Layer7" debugging output

Networking support > Networking options > Network packet filtering framework (Netfilter) > IP: Netfilter Configuration.

[*] select all [M] select all <M> Full NAT </source> Exit Save .config 

[root@gateway ~]# make-kpkg clean
[root@gateway ~]# fakeroot make-kpkg --initrd --append-to-version=-mscomputel7mpath kernel_image kernel_headers
[root@gateway ~]# cd /usr/src
[root@gateway ~]# dpkg -i linux-image-*
[root@gateway ~]# dpkg -i linux-headers-*
[root@gateway ~]# reboot

ขี้เกียจคอมไพล์ ดาวโหลด

แก้ไข /boot/grub/menu.lst ( CC4.3 Only ) 

[root@gateway ~]# nano /boot/grub/menu.lst

<source lang=bash>

  1. grub.conf generated by anaconda
  3. Note that you do not have to rerun grub after making changes to this file
  4. NOTICE: You have a /boot partition. This means that
  5. all kernel and initrd paths are relative to /boot/, eg.
  6. root (hd0,0)
  7. kernel /vmlinuz-version ro root=/dev/sda3
  8. initrd /initrd-version.img
  9. boot=/dev/sda

default=1 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Linux (2.6.28) 

       root (hd0,0)
       kernel /vmlinuz-2.6.28 ro root=LABEL=/ video=vesafb vga=0x313
       initrd /initrd-2.6.28.img
  1. title Linux (2.6.18-93.cc4)
  2. root (hd0,0)
  3. kernel /vmlinuz-2.6.18-93.cc4 ro root=LABEL=/ video=vesafb vga=0x313
  4. initrd /initrd-2.6.18-93.cc4.img
  5. title Linux Safe Mode (2.6.18-93.cc4)
  6. root (hd0,0)
  7. kernel /vmlinuz-2.6.18-93.cc4 ro root=LABEL=/
  8. initrd /initrd-2.6.18-93.cc4.img

</source> Reboot เครื่อง 

[root@gateway ~]# reboot
ตรวจสอบ Kernel Version CC4.3
[root@gateway ~]# uname -a
Linux gateway.clarkconnect.lan 2.6.28 #1 SMP Fri Jun 19 13:17:45 ICT 2009 i686 i686 i386 GNU/Linux
ตรวจสอบ Kernel Version Debian Lenny
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Fri Jun 19 12:02:27 2009 from 125.24.196.166.adsl.dynamic.totbb.net
gw:~# uname -a
Linux l7.mscompute.com 2.6.28 #2 SMP Sat Jun 13 18:19:43 ICT 2009 i686 GNU/Linux
คอมไพล์ iptables v1.4.3.2 เพื่อให้รองรับกับ layer7
[root@gateway ~]# cd /usr/src/iptables-1.4.3.2
[root@gateway ~]# patch -p1 </usr/src/iptables-1.4.3.2-imq_xt.diff
[root@gateway ~]# cp /usr/src/netfilter-layer7-v2.22/iptables-1.4.3forward-for-kernel-2.6.20forward/* /usr/src/iptables-1.4.3.2/extensions/
[root@gateway ~]# ./configure --with-kernel=/usr/src/linux
[root@gateway ~]# make
[root@gateway ~]# make install
[root@gateway ~]# cd /usr/src/l7-protocols-2009-05-28
[root@gateway ~]# make install
[root@gateway ~]# cp /usr/local/sbin/iptables /sbin/
[root@gateway ~]# modprobe xt_layer7

แก้ไข /etc/rc.local 

[root@gateway ~]# nano /etc/rc.local

<source lang=text> modprobe xt_rateest modprobe xt_helper modprobe xt_dccp modprobe xt_TPROXY modprobe xt_NFLOG modprobe xt_limit modprobe xt_tcpmss modprobe xt_connbytes modprobe xt_owner modprobe xt_sctp modprobe xt_DSCP modprobe xt_MARK modprobe xt_IMQ modprobe xt_statistic modprobe xt_quota modprobe xt_layer7 modprobe xt_TCPOPTSTRIP modprobe xt_recent modprobe xt_NOTRACK modprobe xt_iprange modprobe xt_CONNSECMARK modprobe xt_multiport modprobe xt_CONNMARK modprobe xt_RATEEST modprobe xt_policy modprobe xt_dscp modprobe xt_pkttype modprobe xt_length modprobe xt_CLASSIFY modprobe xt_physdev modprobe xt_SECMARK modprobe xt_connlimit modprobe xt_tcpudp modprobe xt_TRACE modprobe xt_realm modprobe xt_conntrack modprobe xt_string modprobe xt_hashlimit modprobe xt_mac modprobe xt_time modprobe xt_mark modprobe xt_comment modprobe xt_u32 modprobe xt_NFQUEUE modprobe xt_TCPMSS modprobe xt_socket modprobe xt_esp modprobe xt_state modprobe xt_connmark modprobe nf_conntrack_ftp modprobe nf_conntrack modprobe nf_nat_ftp modprobe nf_nat </source> 

[root@gateway ~]# reboot

ตรวจสอบ xt_layer7 

[root@gateway ~]# lsmod | grep xt_layer7
xt_layer7              14356  0
nf_conntrack           64392  14 xt_layer7,xt_CONNMARK,xt_state,nf_nat_pptp,nf_nat_irc,nf_nat_ftp,ipt_MASQUERADE,nf_conntrack_pptp,nf_conntrack_proto_gre,nf_conntrack_irc,nf_conntrack_ftp,iptable_nat,nf_nat,nf_conntrack_ipv4
x_tables               18188  10 xt_layer7,xt_CONNMARK,xt_mark,xt_tcpudp,xt_state,ipt_MASQUERADE,ipt_REJECT,ipt_LOG,iptable_nat,ip_tables
ทดสอบ layer7
[root@gateway ~]# iptables -A FORWARD -m layer7 --l7proto bittorrent -j DROP
[root@gateway ~]# iptables -A FORWARD -m layer7 --l7proto msnmessenger -j DROP
[root@gateway ~]# iptables -A FORWARD -m layer7 --l7proto fasttrack -j DROP

[root@gateway ~]# iptables -nvL | grep LAYER

<source lang=bash> 

 533 50633 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto bittorrent state NEW

30091 2183K DROP all -- * * 0.0.0.0/0 0.0.0.0/0 LAYER7 l7proto edonkey state NEW 

   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto fasttrack state NEW
   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto gnutella state NEW

74468 6939K DROP all -- * * 0.0.0.0/0 0.0.0.0/0 LAYER7 l7proto bittorrent state NEW 

325K   24M DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto edonkey state NEW
   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto fasttrack state NEW
   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto gnutella state NEW
   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto bittorrent state NEW

17392 1161K DROP all -- * * 0.0.0.0/0 0.0.0.0/0 LAYER7 l7proto edonkey state NEW 

   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto fasttrack state NEW
   0     0 DROP       all  --  *      *       0.0.0.0/0       0.0.0.0/0       LAYER7 l7proto gnutella state NEW

</source>

ทดสอบ IMQ

http://www.linuximq.net/usage.html

References


http://www.ssi.bg/~ja/#routes-2.6

http://l7-filter.sourceforge.net/protocols

Protocal Definition /etc/l7-protocols

http://www.linuximq.net/

http://www.howtoforge.com/kernel_compilation_debian_etch

http://www.linuximq.net/

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