(一、系统安装)
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hu(K!>{ &PuJV + y 3cO[t\/up 前言
THgzT\_zq `U_>{p&x XOg(k(&T KOEi_9i} 写本文的初衷主要是记录下我一段时间学习使用FreeBSD建设网站平台的一些经验和体会。因为本人是菜鸟,所以很多地方不够完善。本文权当给初学者提供一个具体可操作的实例。所有操作步骤都是我边做边写。避免出现遗漏或一些不必要的小错误,给初学者带来麻烦。
DD 5EHJR Gu`Vk/& 本网站平台建设全过程包括FreeBSD系统的安装,web、ftp、mail、proxy服务器、视频点播服务器等。所有过程都在FreeBSD4.7环境下测试通过。
**r? k^5Rf 由于写本文时参考了网上太多前辈和大侠的资料,无法一一列举。还请作者原谅。
""'eTpe 2{kfbm-89t 本连载文章前后关联很紧密,建议初学者一步一步来做。
UT<bv}(J Qz) 8eIO: 试验环境如下:
0D3+R1>_D k*3_)
S
- 硬件环境:普通pc机,双网卡。配制不需要高,主要是稳定,并能适应长时间开机。听前辈介绍AMD k6的cpu运行FreeBSD好像有点问题。不过我没有试验。建议用intel的。
%4|}&,%%r ^Pg
YP 软件环境:操作系统:FreeBSD4.7(4.8)
,XG|oo- @\`G & VB web服务器:Apache 1.3.27+modssl +mod_php4+mod_gzip+mod_fastcgi +mod_perl +mysql3.23
q4GW=@eD DgT.Lku? ftp服务器:Proftpd1.2.7+proftpd-mod-quotatab-1.2.4+mysql
$;i$k2n: 60%~+oHi~ mail服务器: iceblood前辈制作的qmail安装包(经过修改)+vqregister-2.5
Usf"K*A dh;Mp E proxy服务器:使用FreeBSD内置的NAT和PPP拨号+squid
0 ,Qj: y?z _^ppj 视频点播服务器:Helix Universal Servevr (realserver9.01)
gVA}?t; |vDoqlW 网络环境:我用的是adsl动态拨号方式,因为动态ip所存在的一些问题,我把所有的服务都装在一台机器上,且这台机器要直接与外网相连。静态ip更方便一些。(本文两种方式都会讨论)
ws2j:B ENXW#{N.v 6a]f&={E oB06{/6 第一步:安装系统
|z|)r"*\4 \v3>Eo[ 关于安装过程网上有很多文章,这里不作详述。仅提出几点建议供大家参考:
f93rY< %r 1、 采用最小化安装。
7R<u=U RQS:h]?:l 2、 安装时启用inetd,并在编辑inetd.conf文件时,把带有“ftp”的行前面的“#”号去掉。这样作是为了以后安装软件时可以用ftp上传文件。
m)|.:sj ZYR,8 y 3、 添加一个wheel组的用户,这样在系统工作正常后可以在windows系统上通过终端登录软件(如SecureCRT)进行所有操作。FreeBSD4.7在最小安装时支持SSH终端登录,所以我们需要使用支持SSH协议的终端软件,如SecureCRT。例如我添加的用户名是ylf,隶属wheel系统组。系统产生一个用户目录/home/ylf。我可以通过SecureCRT以ylf身份登录到系统,然后通过su命令切换到root用户。同时我也可以在IE浏览器内键入
ftp://192.168.0.1 ,并输入ylf用户名和密码登录ftp将需要的文件上传到自己的用户目录里。(192.168.0.1是我的服务器连接内网的网卡ip地址)。以下除系统安装部分,我都是采用终端方式操作。
.V 3X#t PP[)h,ZL* 4、 分区时将/home、/usr和/var划的大一些,因为/usr为程序目录,/var要存放日志,/home是用户主目录,我的用户文件如网页、ftp上传文件等都放在这里。还有最好保留一部分空间留作以后需要的时候用。我的机器上有2块硬盘,一快18.2G SCSI硬盘,一块40G IDE硬盘。我是这样划分的。
q8xc70: R 7! b)'W? 128M /
$F@L$&~ aU.0dsq 20G /home
zNr_W[ <aSLm= 2G /ftp
_h=<_Z MZMS?}.2 256M /tmp
xK),:+G( S,Wl)\ 6G /usr
b8{h[YJL2 b!5tFX;J 5G /var
OwiWnS< gvc'
$9% 其中/ftp是为匿名ftp用户访问专用。剩余空间留作备用。当然如果硬盘空间少的话,做我们的试验也是够用的。
v>y8s&/ *VC4s`< 关于安装方面的文章,大家也可以参考delphij写的《FreeBSD服务器的安装与优化》。
http://community.freebsdchina.org/catalog.php?forum=34 一文。
Hu9-<upc& sx( l 安装完系统后,要重新编译内核。目的是要系统支持Firrwall和提高运行效率。
z^!A/a[[! j&[3Be'pQ 首先确认系统是否安装了FreeBSD的内核支持。如果是最小安装,则需要运行/stand/sysinstall命令安装内核支持。方法如下:
J'&B:PZObB !/Bw,y ri< # /stand/sysinstall
Avv =Mu'+,dT 选Configure—Distributions—src—sys,内核文件将被安装在/usr/src/sys目录中。
~0[G/A$] \/'#=q1 注意:这之后的过程在终端上操作要方便许多。SecureCRT支持在终端界面上直接拷贝和粘贴文本内容。
z)W#&JFF -4y)qGb*? 转到内核文件目录
o.A}`` t=W$'*P0} # cd /usr/src/sys/i386/conf
Ca5Sc, no }OP%p/eY 编辑内核文件
WrHgF*[ [Z5}2gB& # vi kernel_wwwx # kernel_wwwx为我的内核文件名
\p3nd!OIG CdzkMVH 我的内核文件如下:
+ 1+A3 =2g[tsY #
=JbdsYI( Ic{'H2~4, # GENERIC -- Generic kernel configuration file for FreeBSD/i386
R(/[NvUb 71L\t3fG #
."F'5eTT~ >d27[% # For more information on this file, please read the handbook section on
_!C)r*0( k;K>
,$F # Kernel Configuration Files:
z%}CBTm ]cLEuE^& #
~aqT~TL_ liCCc;&B; #
http://www.FreeBSD.org/doc/en_US.IS...fig-config.html RQ*|+~H !4 4mT'Y #
#.MIW*== L.TgJv43 # The handbook is also available locally in /usr/share/doc/handbook
:_fjml/ p;n3`aVh # if you've installed the doc distribution, otherwise always see the
XC7Ty'#"KX l?@MUsg+ # FreeBSD World Wide Web server (
http://www.FreeBSD.org/) for the
"
g0-u(Y qUEd
E`B # latest information.
iJdrY6qd EG(`E9DZ #
_Qm7x>NT4 wv7p,9Z[ # An exhaustive list of options and more detailed explanations of the
OXIu>jF yd0=h7s # device lines is also present in the ./LINT configuration file. If you are
>ggk>s| a9?
v\hG # in doubt as to the purpose or necessity of a line, check first in LINT.
=q"w2b& [$1: &!(! #
{m_A1D/_ RWh9&O:6' # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246.2.48 2002/08/31 20:28:26 obrien Exp $
J3lG"Ww @Hspg^ F=
_uNq Cz=A{<^g machine i386
|c06ix;). {FV,j.D cpu I586_CPU
vB{;N
.-('C> @ cpu I686_CPU
fW5"4, !7mvyc!'! ident kernel_wwwx #内核文件名,这个要和你的内核文件名一致
#uD)0zdw e9z$+h maxusers 0
G!!-+n< #RR:3ZPZC HsjELbH e?^\r)1
options INET #InterNETworking
3r~>~ueZ PmPyb>HK=P options FFS #Berkeley Fast Filesystem
HO%E-5b9 2d5}`> options FFS_ROOT #FFS usable as root device [keep this!]
9:9N)cNvfX ?$30NK3G options SOFTUPDATES #Enable FFS soft updates support
bk\dy7 ;xW8Z<\- options UFS_DIRHASH #Improve performance on big directories
#Dj"W8'zh ?Kx6Sf<i options PROCFS #Process filesystem
95.qAFB1 cW81 options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
R/ALR z9k*1: options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
g:3d<CS msA' 5> options SYSVSHM #SYSV-style shared memory
ShL1'Z}^{ X[GIOPDx options SYSVMSG #SYSV-style message queues
VZT6;1TD$8 G*P[z'K= options SYSVSEM #SYSV-style semaphores
h.4qlx| ysSjc options P1003_1B #Posix P1003_1B real-time extensions
38V $ <w fbh6Ls/ options _KPOSIX_PRIORITY_SCHEDULING
olD@W
UB l?[{?Luq options ICMP_BANDLIM #Rate limit bad replies
f
pv= P %+AS0 JhB options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
T7>48eH I!|y;mh:it # output. Adds ~128k to driver.
:Az8K ) 8Zcol$XS' options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
=&di4'` b34zhZ # output. Adds ~215k to driver.
2x7(}+eD c&E*KfOG bn0"M+7)f /#-,R,Q device tun 1
o/tVcv C-s>1\I options IPFIREWALL #防火墙
3+CSQb8 8fJR{jD(s options IPFIREWALL_FORWARD #允许透明代理
/~H[= Pf /[\6oa options IPFIREWALL_VERBOSE #允许防火墙日志
<u6c2!I{ MZCL:# options IPFIREWALL_VERBOSE_LIMIT=100 #限制日志
.@y{)/ bWGyLo, options IPFIREWALL_DEFAULT_TO_ACCEPT #默认允许所有IP包
6@"Vqm|HD Si#"Wn?| options IPDIVERT #启用由ipfw divert使用的转向IP套接字
o\_
Td X4d Xm>*?= gbY LA a >]>0KQfO # To make an SMP kernel, the next two are needed
J}x>~?W >}ro[x`K #options SMP # Symmetric MultiProcessor Kernel
9b?i
G [Xxw]C6\>( #options APIC_IO # Symmetric (APIC) I/O
^7i^ \w0 e(?:g@]-r 6?53q e GLo\q:5A device isa
0L!er%GM 4fu'QZ(} device eisa
$a`J(I z[WC7hvU device pci
fm3(70F\ 8# 6\+R ?F!EB4E\y} .i
MnWW 5,F;j<F Bj;\mUsk # ATA and ATAPI devices
2~vo+ng <\>+~p, device ata
@)9REA(U \9046An device atadisk # ATA disk drives
Ya~ "R#Uy 99J+$A1 PPUEkvH
W q $t&|{ Xy:Gj,@ uK$=3[;U/! # SCSI Controllers #没有SCSI设备不需要这段
dVvZu% DFp 9OPK4- device ahb # EISA AHA1742 family
Bx+d3 *y)4D[
z- device ahc # AHA2940 and onboard AIC7xxx devices
IeO-O'^&` =Nw2;TkB[ device ahd # AHA39320/29320 and onboard AIC79xx devices
9Tqo LX +#0~:&!9 device amd # AMD 53C974 (Tekram DC-390(T))
u@AI&[Z pI
&o?n device isp # Qlogic family
Bk&-1>cY Xwn3+tSIa device mpt # LSI-Logic MPT/Fusion
0Xp
nbB~~I %_>Tcm= device ncr # NCR/Symbios Logic
- oU@D Ynvj; device sym # NCR/Symbios Logic (newer chipsets)
[6O04"6K DYc.to- options SYM_SETUP_LP_PROBE_MAP=0x40
9~=gwP 4S'[\ZJO # Allow ncr to attach legacy NCR devices when
E3y6c)< `+oV/:Q3 # both sym and ncr are configured
`GPQ((la g4Y) Bz iOl%-Y $+7 ci~gs device adv0 at isa?
*U
M!( YdK_.t0Mu device adw
T0;u+$ p Z"o@';! device bt0 at isa?
p=2zS. =D{B}=D\IM device aha0 at isa?
}I\-HP8!gv 3Hs$]nQ_X device aic0 at isa?
kzMa+(fu w
nWgy4: j+$M?Z^ " <qEXX device ncv # NCR 53C500
b9`i Z o\&~CW~@~ device nsp # Workbit Ninja SCSI-3
`(3SfQ- ooY\t + device stg # TMC 18C30/18C50
aQga3;S! %?Rs*-F.~1 4e}{$s$Xx *vb ^N0P # SCSI peripherals #没有SCSI设备不需要这段
`n6/ A) Sobtz}A* device scbus # SCSI bus (required)
5!tb$p#z 10?qjjb& device da # Direct Access (disks)
+yCTH mqdOu{kQ device sa # Sequential Access (tape etc)
'6O|H $.wA?`1aSk device cd # CD
p+RAtR f >'N!dM.+9 device pass # Passthrough device (direct SCSI access)
_$8{;1$T? 8qN"3 Et m#*h{U$ V`by*s #XcU{5Qm5 -/zp&*0gcx <>]1Y$^Y pL! a # atkbdc0 controls both the keyboard and the PS/2 mouse
IJ0#iA. T C w%BZ device atkbdc0 at isa? port IO_KBD
RE 9nU%! MA$Xv`6I\ device atkbd0 at atkbdc? irq 1 flags 0x1
Gbn4*<N 3524m#4&@ Qo.Uqz.C alc] device vga0 at isa?
DKTD Z* %MbyKz:X t-!m
vx9Z pr$~8e=c ^Z#@3= :&9TW]*g # syscons is the default console driver, resembling an SCO console
Ge^Qar @ ICbKg: device sc0 at isa? flags 0x100
0Qp[\ia Fom>'g* Z["BgEJ Pr`s0J%m p-,Iio+ S.W^7Ap # Floating point support - do not disable.
ck$M(^)l )km7tA
0a device npx0 at nexus? port IO_NPX irq 13
ZjS(ad*.2 /=TH08 XMw.wQ'? Ny^'IUu W^k,Pmopy iV!@bC, # Serial (COM) ports
5}XvL' 1q]&7R device sio0 at isa? port IO_COM1 flags 0x10 irq 4
1A^1@^{m' Ig9d#c g_vm&~U/' GD&htob( # 我用的是8139和Dlink DFE-530TX网卡,大家可根据自己的网卡型号保留或删除
ZE
rdt:w /&(1JqzlB # 使用公共的MII总线控制器代码的PCI以太网适配器
e #M iaX +I@cO&CY| # 注意:一定要保留'device miibus'以确保可用
{p]=++ G mA!Mo # PCI Ethernet NICs that use the common MII bus controller code.
i4<BDX5 yUe+":7k. # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
=Dk7RKoHF @\jQoaLT$_ device miibus # MII bus support
_=EZ `!% h>klTPM> device fxp # Intel EtherExpress PRO/100B (82557, 82558)
I+",b4 VoM6 device rl # RealTek 8129/8139
"r. . OJpj}R device vr # VIA Rhine, Rhine II
'E -FO_N ^C7C$TZS device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
2m" _z \ha-"Aqze3 )7Ixz1I9g W5Zqgsy($F # Pseudo devices - the number indicates how many units to allocate.
)xt4Wk/ -zKxf@" pseudo-device loop # Network loopback
=|,A%ZGF$ =cn~BnowY pseudo-device ether # Ethernet support
41yOXy ;~l 0x ~`5h pseudo-device sl 1 # Kernel SLIP
^A!$i$NON `WnQ pseudo-device ppp 1 # Kernel PPP
|')-VhLLK cDeZMsV pseudo-device tun # Packet tunnel.
hcyO97@r S-!=NX&C pseudo-device pty # Pseudo-ttys (telnet etc)
"SR5wr [PWL<t::c pseudo-device md # Memory "disks"
5)M2r!\ Fw"$A0 pseudo-device gif # IPv6 and IPv4 tunneling
~5 >[`) 55m<XC pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
Y(r@v n8u*JeN !ni>\lZ ]JMl|e # The `bpf' pseudo-device enables the Berkeley Packet Filter.
Qn|+eLY Js{=i>D # Be aware of the administrative consequences of enabling this!
HnU Et/ ,@.EpbB pseudo-device bpf #Berkeley packet filter
V LdB_r3lQ IzUo0D*@ (完)
&{z<kmc$6 P^i.La, E\$C/}T S_\
F 我用的是8139网卡和Dlink DFE-530TX网卡,如果你用其他型号的网卡,需要察看当前目录的GENERIC 内核文件,找到描述自己的网卡型号的段并将其添加到新的内核文件里。其他的不改直接拷贝过来就可以用了。
Cj^{9'0 x8"#!Pw:`" 接下来编译安装新内核:
N wtg%; `@XehSQ # /usr/sbin/config kernel_wwwx #kernel_wwwx为你的内核文件名
Wi$dZOcSJ FjFwvO_. # cd ../../compile/kernel_wwwx
Fo}7hab _Y!sVJ){,c # make depend
KDTDJ8
q3S+Y9L # make
ST;t,
D: &&7r+.Y # make install
Oy_c j@| `f((4 重新启动(reboot)
Eju~}:Lo WG5W0T_ fdv`7u+}a BsLG^f 如果系统升级过源代码树,按下面方法编译内核:
W^3;F1 1@_T m # cd /usr/src
#/
"+ ; Lql_1 # make kernel KERNCONF=kernel_wwwx #kernel_wwwx为你的内核文件名
*e/K:k T3 pdx~66 重新启动
|B^G:7c Vmi{X b]< ~uj;qq ln<]-)&C FreeBSD网站平台建设全过程(二、接入Internet并配制代理服务)
VKW|kU7Cs$ }}T,W.#%u Jpj!rXTX* qp~gP 使用adsl接入Internet有两种情况,通过拨号获取动态ip或服务商直接给定静态ip。后者配制起来较容易。本文先讨论动态ip如何设置。
|d}MxS`^ 2UadV_s+s 由于第一步重新编译内核时已经加进了对Firewall的支持。这里就可以通过直接编辑/etc/ppp/ppp.conf文件和/etc/rc.conf文件就可以上网并支持NAT方式透明代理了。
_MfD k
\qiF|B)Z # vi /etc/ppp/ppp.conf
e@n!x}t8 L?RF;jf 我的ppp.conf文件内容如下:(注意set前要留空格)
nE|@IGH Em^( default:
yL1CZ_ 2]WE({P set log Phase tun command
mT.e>/pa aGoE,5 set ifaddr 10.0.0.1/0 10.0.0.2/0
7r
0,>
3" ;3m!:l
adsl: # 配置代号
i8PuC^] N1x@-/xa| set device PPPoE:vr0 # vr0 改成你连接ADSL modem的网卡名
d,cN( '&yeQ set mru 1492
jbmTmh1q Y(6Sp'0 set mtu 1492
..<3%fL3 Wa'sZ# set authname username # username是拨号用户名
Q-eCHr) g,kzQ}_ set authkey password # password是拨号密码
cAuY4RV K@:m/Z}|4 set dial
HY}j!X +R.N%_ set login
p{Sh F. ?mYYt]R add default HISADDR
K : LL_, J5yidymrpW (完)
E4[}lX} |$+5@+Zz |qN'P}L >-)h|w i # vi /etc/rc.conf
%[QV,fD'E }e]f 我的rc.conf文件内容如下:(动态ip)
39TT{>?`w O'DW5hBL0 # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
:k,Q,B.I .tXtcf/ # Created: Tue Jul 15 21:20:28 1997
{}Ejt:rKN t?)pl2!A # Enable network daemons for user convenience.
[=%YV# O C>QIrZu # Please make all changes to this file, not to /etc/defaults/rc.conf.
D'[Uc6 pwX C # This file now contains just the overrides from /etc/defaults/rc.conf.
Z)"61)
) t+TYb#Tc hostname="wwwx.3322.org" # 你的主机域名
@QEqB_W 0pgY1i7 ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内网网卡ip地址,fxp0是网卡名
0b|zk < >G"X J<IO inetd_enable="YES" # 开机加载inetd
Y}STF cO#oH2} kern_securelevel_enable="NO"
*r,b=8| \fLvw linux_enable="YES"
r/:%}(7; 2>PH8 nfs_reserved_port_only="NO"
'r}fZ p@Q5b}xCG_ sendmail_enable="NO"
@gfDp< RW7(r/C sshd_enable="YES"
7C,T&g
1: IB5BO7J usbd_enable="NO"
;N=G=X|} 4? (W%? gateway_enable="YES"
8;\sU?
2 WBq firewall_enable="YES" #启用防火墙
H7g<
p" !u;>Wyd W firewall_script="/etc/rc.firewall"
i+vsp@d u<tk G B firewall_type="open"
xFFr mZvG|P$} firewall_quiet="YES"
b"j|Bb #=,(JmQPt firewall_logging_enable="YES"
#`SD$; KLQ!b,=q ppp_enable="YES" # 开机自动拨号
9IZu$- QLq@u[A ppp_mode="ddial"
8Jr?ZDf` 8<#U9] ppp_nat="YES" # 启用透明代理
)NW6?Pu" ]<w:V`( ppp_profile="adsl" # 配置代号
5\4g>5PD =hH.zrI6e # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
nKh&-E \E4B&!m (完)
3{Q,hpZN lhLGG 7v"lNP-?jU O>0VTW 这样重新启动后就可以拨号上网并实现透明代理了。客户端需要设置dns服务器为服务商提供的dns,网关设成代理服务器的内网卡ip地址,这里是192.168.0.1。并把IE中“internet选项”关于连接设置的所有复选框清除。
8g/F)~s^F V64L,u#`l 如果解析不了域名,检查一下/etc/resolv.conf文件是否加入了正确的dns服务器地址。
Zm TDQ`Ix ^y_fRP~ d]v+mVAyE /Wj,1WX~ 如果是静态ip方式,则只需要编辑/etc/rc.conf文件。
m6n!rRQ^U K\.5h4k 我的/etc/rc.conf文件如下:(静态ip)
$p* p =[tSd)D,y # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
2 h|e H=MCjh&$q # Created: Tue Jul 15 21:20:28 1997
=_TaA(79 %1U`@0 # Enable network daemons for user convenience.
9}tG\0tL* h8 @ # Please make all changes to this file, not to /etc/defaults/rc.conf.
@9G- m(?* df*w>xS # This file now contains just the overrides from /etc/defaults/rc.conf.
RuRt0Sd3 f"5g>[1 hostname="wwwx.3322.org" #主机域名
{bNXedZ\ omX?Bl defaultrouter="218.10.104.1" #服务商提供的路由器地址
8\ha@&p QBJ3iQs1 ifconfig_vr0="inet 218.10.104.188 netmask 255.255.255.0" #服务商提供的静态ip
j6}R7$JR ZU&"73 ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内部网卡ip
fZWGn6$ rXi uwz\ inetd_enable="YES" #开机加载inetd
TCVl8)j E@)\Lc~ kern_securelevel_enable="NO"
C*70;:b dKhA$f~ linux_enable="YES"
C*6S@4k IO$z%r7 nfs_reserved_port_only="NO"
b`mj_b *JCQu0 sshd_enable="YES"
*wbZ;rfF 8cg`7(a sendmail_enable="NO"
j5
wRGn3 W 0[N0c usbd_enable="NO"
Uu p(6`7 ,d,\-x-+/ gateway_enable="YES"
f^Bc dfj\RIV8 firewall_enable="YES"
9l/EjF^ gQWd&)'muf firewall_script="/etc/rc.firewall"
D%/8{b: +SXIZ` firewall_type="open"
72db[ n]!fO
6kj firewall_quiet="YES"
mryN} $6>?; firewall_logging_enable="YES"
6gO9 MQY GJ(d&o8 natd_enable="YES" # 启用透明代理
CZ{k@z`r ` (4pu6uT natd_interface="vr0" # natd接口,vr0为连接外网modem的网卡
XR+3j/zEQ +FFG#6e # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
wwd'0P`/ 2h^WYpCm (完)
e&It rJfqA@ *gsAn<
{y^3> 7 重起后网络连接及透明代理生效。客户端同样要按上面说的方法配制。
=d;Vk !cEG}(|h $A\m>*@ ekSY~z=/u 使用Squid:
i^z`"3#LE wVK*P
-C Squid是一个非常不错的代理缓存软件。我曾经一直在使用,后来因为我经常要改变web服务器里的网页,而Squid总是把我以前的页面缓存,致使不能马上反映页面的更新情况,再加上公司上网的负担不是很重。所以就不用了。
QGnxQ{ko 3eIr{xs 安装方法:
nY? }k$4/7ri 在FreeBSD下安装软件最方便的方法是使用ports。本文为了让大家对通用的软件安装方法做一定的了解,我们采用通用的方法来安装squid,也就是说,下面的方法同样适用于linux或其他unix版本。
;^k7zNf- o,Z{ w" *iXe^ <6v N> Jw 在ylf的用户目录下创建目录app用来存放程序安装临时文件:
zzpZ19"`1 ^+70<#Xc # mkdir /home/ylf/app
"
BTE F
8yF 将用户ylf设为/home/ylf/app目录及其子目录的所有者
%oykcf,# }E<^gAh} # chown –R ylf /home/ylf/app
v@
C,RP9 7()?C}Ni- 到
http://www.squid-cache.org/Versions/v2/2.5/ 下载squid 的最新稳定版本,现在是squid-2.5.STABLE3
h+UnZfm ,8Iv9M}2 打开IE浏览器,在地址栏输入
ftp://192.168.0.1 ,出现ftp登陆对话框,输入用户名ylf及密码,登录成功后。将下载的squid-2.5.STABLE3复制到app目录中。
m 40m<@ 6)RbPPeE 执行如下命令:
>O9sk &rq{v!=7 # cd /home/ylf/app
i\}:hU-U iAO5"(>}? # tar zxvf squid-2.5.STABLE3.tar.gz #解压缩安装包
MEZ{j%-a KJhN J # cd squid-2.5.STABLE3 #进入解开的目录
XH 4d<?qu | FM
} # ./configure --prefix=/usr/local/squid #配制、将squid安装在/usr/local/squid目录
%B2XznZ: P!g-X%ngo # make all #编译
X~T/qFS C"<s/h # make install #安装
TvhJVVQ+? N0TeqOi4Y 下面编辑squid的配置文件:
h,t|V}Wb .=RlOK # cd /usr/local/squid/etc
!F4;_A`X JMV50 y 将原来的配置文件改名
q%3<Juq~$ OmMX$YID # mv squid.conf squid.conf.bak
c-]fKj7 lPq\=V 编辑新的配置文件
oY9FK{ $Rtgr{ {;" # vi squid.conf
[IX+M#mf `H%G3M0a 我的squid.conf内容如下:
:Hy] =jAFgwP\ lP<I|O=z
Se^^E.Z,W #取消对代理阵列的支持
>wON\N0V_ -e -e9uP icp_port 0
E0f{iO;} xN->cA$A fZryG :J_oj:0r"f #对日志文件和pid文件位置进行设置
Pi6C/$
K 5>0.NiXGf' cache_store_log none
"cUg>a3 nS.G~c| cache_access_log /usr/local/squid/var/logs/access.log
/MTf0^9 Fe=8O ^\ cache_log /usr/local/squid/var/logs/cache.log
qt?*MyfV ?Hz2-Cn emulate_httpd_log on
&_-](w` L K7Xw3 pid_filename /usr/local/squid/var/logs/squid.pid
, |E$' HxwlYx,4 $xW**& V^fV7hw< #设置运行时的用户和组权限
fib#CY *:"^[Ckc cache_effective_user squid
? 5|/
C 2ypIq cache_effective_group squid
ISqfU]>[ $ @1u+w $~u.Wq mf$j03tu #设置管理信息
YcM;S +&v\
/ visible_hostname wwwx.3322.org.
f?UzD#50D `iixq9xi cache_mgr
yourname@yourdomain.com 02b6s&L a+z2Zd!u\x S3\jcgrS E,"&-`/2v #设置监听地址和端口
JSVeU54T^< ^$?qT60%d| http_port 3128
vs9?+3 Lk,+Tfk" udp_incoming_address 0.0.0.0
MgJ5B(c r|Zi3+ 7Ua7A CY"i-e"q<Q #设置squid用户hot object的物理内存的大小以及设置cache目录
/'&;Q7!) e1(h</M U2 cache_mem 32 MB
RXSf,O __N.#c/l{ cache_dir ufs /usr/local/squid/cache 1024 16 256
!vqC+o>@ N +Sq}hI s;.=5wcvi? Eu<r$6Q0}o #访问控制设置
Wr%7~y*K Yv\!vW7I acl mynet src 192.168.0.0/255.255.255.0
ExhL[1E ?S`>>^ acl all src 0.0.0.0/0.0.0.0
Uene=Q6> 9%,;XQ http_access allow mynet
&9 B_/m3 kq/u,16@ http_access deny all
@6MAX" %v=!'?VT #+jUhxq zJl_ t0 #透明代理设置
-Zy)5NB-tZ o:\XRPB httpd_accel_host virtual
S!dHNA:iU c ~Kc7}I httpd_accel_port 80
d<T%`:s< B@cz
?%] httpd_accel_with_proxy on
2i:zz?
'p` L,M+sN httpd_accel_uses_host_header on
3E|;r
_;
8 Wc4vCVw ZgYZwc&- 'D6
bmz #swap 性能微调
&?<AwtNN _Z#eS/,O@ half_closed_clients off
~"7J}[i5 fPQ|e"? cache_swap_high 100%
&L3#:jSk $Z6D:"K cache_swap_low 80%
.h8M \qq-smcM- maximum_object_size 1024 KB
k|j:T[_ L|67f4 +VOb w-rOecwFvu #控制对象的超时时间
rg)h5G #+G`!<7/@f refresh_pattern -i .html 1440 90% 129600 reload-into-ims
}~zO+Wf2 [m#NfA:h, refresh_pattern -i .shtml 1440 90% 129600 reload-into-ims
xs1bxJ_R j%xBo: refresh_pattern -i .hml 1440 90% 129600 reload-into-ims
Bw-s6MS K2|7% refresh_pattern -i .gif 1440 90% 129600 reload-into-ims
xrI}3T *zQOJsg"e refresh_pattern -i .swf 1440 90% 129600 reload-into-ims
l,bZG3,6 K-@bwB7~s refresh_pattern -i .jpg 1440 90% 129600 reload-into-ims
M,..Kw/ }~ l%PnB
)F refresh_pattern -i .png 1440 90% 129600 reload-into-ims
jgRCs.6 VO -784I refresh_pattern -i .bmp 1440 90% 129600 reload-into-ims
qZsnd7o{l. ,y.3Fe refresh_pattern -i .js 1440 90% 129600 reload-into-ims
F6&P ~H qJ Gm8^b- (完)
SCq3Ds^ /djACA ptR Xw(3j)xQ 需要改的地方是访问控制设置中的子网改成你自己的子网。其他的地方可根据需要调整。不改也可。
2f{kBD <7RfBR.9 如果不使用日志,将日志设置部分改成如下句子:
<.$,`m,
rw*M&qg!z cache_store_log none
t-EV h~D1p Q\WXi cache_access_log /dev/null
%UG/ak%z ^pw7o6} cache_log /dev/null
=uc^433. $rB!Ex{@ac J|?[.h7tO j],&z^O$ 添加squid系统用户和组
LUul7y'" Fwv\ pJ}$ # pw groupadd squid
y:9?P~ nKu(XgFv # pw useradd squid -g squid -s /sbin/nologin
x!+Z{ x }200g_^ 建立cache目录
ua:9`+Dff 88YC0!Ni # mkdir /usr/local/squid/cache
_LsYMUe BvJ\x) 改变cache目录和logs目录的所有者为squid用户和组
I}%mfojC }K;iJ~kD1 # chown –R squid /usr/local/squid/cache
L8Dm9} ASq`)Rz # chgrp –R squid /usr/local/squid/cache
hU+#S(t>b pXNtN5@FQ # chown –R squid /usr/local/squid/var/logs
kPedX ZIy(<0 # chgrp –R squid /usr/local/squid/var/logs
@?M;'xMbB 40+fGRyOL 运行squid –z建立cache目录结构
](n69XX_ !ABLd|tP # /usr/local/squid/sbin/squid –z
un&> k!vHO X&,N}9>B 5 iv@@1c 测试squid运行情况
SZE `J:w 4K'|DO|dH # /usr/local/squid/sbin/squid –NCd1
e
sGlMq !xH,y 出现下面显示证明squid安装成功
VLx T"]f iz(m3k:w 2003/06/21 18:01:09| Starting Squid Cache version 2.5.STABLE3 for i386-unknown-freebsd4.7...
C#T)@UxBZ .W-=x,`hY4 2003/06/21 18:01:09| Process ID 160
.Nk6 *V<)p%l. 2003/06/21 18:01:09| With 957 file descriptors available
F]0Jwm{ WS5"!vz 2003/06/21 18:01:09| Performing DNS Tests...
^@Y9!G= 8z0Hx 2003/06/21 18:01:09| Successful DNS name lookup tests...
/t5g"n3 (E IR z> 2003/06/21 18:01:09| DNS Socket created at 0.0.0.0, port 1029, FD 4
Ga?UHw~ k3/4Bt G/ 2003/06/21 18:01:09| Adding nameserver 202.97.224.68 from /etc/resolv.conf
3U>S]#5} wH!}qz/ 2003/06/21 18:01:09| Unlinkd pipe opened on FD 9
H!#5!m& sB8p(
L 2003/06/21 18:01:09| Swap maxSize 1048576 KB, estimated 80659 objects
%'kX"}N/ W=F3XYS 2003/06/21 18:01:09| Target number of buckets: 4032
-$b?rt]h1g eA10xpM0 2003/06/21 18:01:09| Using 8192 Store buckets
dkETM, i >J:W"W 2003/06/21 18:01:09| Max Mem size: 32768 KB
Ipg\9*c` '%:5axg?] 2003/06/21 18:01:09| Max Swap size: 1048576 KB
z(jU|va{_1 ^|r`"gOJ3 2003/06/21 18:01:09| Store logging disabled
7Z
VVR*n| Px$'(eMj^3 2003/06/21 18:01:09| Rebuilding storage in /usr/local/squid/cache (DIRTY)
ud.poh~| ?'T"?b< 2003/06/21 18:01:09| Using Least Load store dir selection
HoMQt3C VBhE{4J 2003/06/21 18:01:09| Current Directory is /usr/local/squid/etc
v F] tI
`w;e%HN 2003/06/21 18:01:09| Loaded Icons.
Re7{[*Q4 ]m RF[b$ 2003/06/21 18:01:09| Accepting HTTP connections at 0.0.0.0, port 3128, FD 8.
Fu#Y7)r &8zk3 2003/06/21 18:01:09| WCCP Disabled.
RlPjki"Mg +<H !3sW 2003/06/21 18:01:09| Ready to serve requests.
YdPlN];[ QZWoKGd}+ 2003/06/21 18:01:16| Done scanning /usr/local/squid/cache swaplog (0 entries)
FV`3,NFk +Z )`inw 2003/06/21 18:01:16| Finished rebuilding storage from disk.
CCC4(v Cx$9#3\ 2003/06/21 18:01:16| 0 Entries scanned
BzN/6VEw h=:*7>} 2003/06/21 18:01:16| 0 Invalid entries.
;U8dm" Lax9
"xI 2003/06/21 18:01:16| 0 With invalid flags.
7eTA`@v5A ozT._C 2003/06/21 18:01:16| 0 Objects loaded.
byp.V_a}/ W5TqC 2003/06/21 18:01:16| 0 Objects expired.
#cR57=M} pVdhj^n 2003/06/21 18:01:16| 0 Objects cancelled.
kWI]fZ_n {|G&W^` 2003/06/21 18:01:16| 0 Duplicate URLs purged.
)x y9X0 FW/6{tm 2003/06/21 18:01:16| 0 Swapfile clashes avoided.
cPx66Dh& K,Lr+ 2003/06/21 18:01:16| Took 7.3 seconds ( 0.0 objects/sec).
<<i=+ed8eP >qr=l,Hi 2003/06/21 18:01:16| Beginning Validation Procedure
gX/|aG$a!U [''=>< 2003/06/21 18:01:16| Completed Validation Procedure
$cyLI+uz| Uy:@,DW 2003/06/21 18:01:16| Validated 0 Entries
&mCs%l *{HGLl|= 2003/06/21 18:01:16| store_swap_size = 0k
%
E<FB ;h 3L%Y"4(mm 2003/06/21 18:01:17| storeLateRelease: released 0 object
)tJL@Qo 77)OW$G 否则根据提示检查配制文件。
^w.k^U=B VG? yL2y ER0TY, 4KN0i 为了使squid的透明代理起作用,需要设置端口转发。方法如下:
A;K{ &x s9^"wN YQ 编辑/etc/rc.firewall文件,添加下面一句
xKRfl1 F^4*|g ipfw add 00500 fwd 127.0.0.1,3128 tcp from 192.168.0.0/24 to any 80
hj%}GP{{ aMe%#cLI m~b#:4D3 =f/avGX 下面建立squid的启动脚本squid.sh:
J+-,^8) #u!y`lek 首先建立/usr/local/etc/rc.d目录
@Z"QA!OK~c w; yar=n # mkdir /usr/local/etc
:/n
?4K^ TiwHLb9 # mkdir /usr/local/etc/rc.d
#MmmwPB_ J$o[$G_Z # cd /usr/local/etc/rc.d
JI28}Cxs0 Nj! R9N # vi squid.sh
ZYpD8u6U cj,&&3sbV 文件内容如下:
zW|$x<M^ g;|
n8] #!/bin/sh
H{p[Ghp +z{x 7 ',v0vyO8 h9@gs,' #if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
s2,`eV Py( w T%w # echo "$0: Cannot determine the PREFIX" >&2
So3,Z'z= Cf8R2(-4 # exit 1
lk5_s@V
l 7!]k#|u #fi
aC
$h_ :Map,]]B_ CJ37:w{%*Y p;)klH@ X case "$1" in
,58kjTM 'dd<<E start)
oW` *FD B)LXxdkOn if [ -x /usr/local/squid/sbin/squid -a -f /usr/local/squid/etc/squid.conf ]; then
#RsIxpc PDa06(t7 (cd /usr/local/squid/var/logs; /usr/local/squid/sbin/squid >/dev/null 2>&1 &) ; echo -n ' squid'
^^W`Lh%9 t/4/G']W fi
!YuON6{) M$E8: ;;
[bQ8A(u ^+YGSg7 stop)
[xH2n\7 &QHA_+88W /usr/local/squid/sbin/squid -k shutdown 2>&1
m"ki*9] [m@e^6F0U # Uncomment this if you'd like the system to (attempt to
6M2i?c _ ;v_L # wait for) squid to shut down cleanly
{ILQ
CvP* aG8;,H=%, #echo "Sleeping for 45 seconds to allow squid to shutdown.."
J[Y lo&w3 s?z=q%-p #sleep 45
oWn_3gzw; e3bAT.P ;;
Lt
ZWs0l0 7i%P&oB *)
Nc^b8&
2J wZ#~+ }T echo "Usage: `basename $0` {start|stop}" >&2
{;wK,dU Sxx.>gP"61 ;;
!7#froh Wl^/=I4p# esac
n,R[O_9u[ QyBK*uNdV D(2kb lqwJ F & exit 0
3vEjf _16&K}< (完)
ESXU,
qK]v ui: >eYv ff2.|20 RaJ}>e 这样每次启动后,squid就会自动运行。
FkkZyCqZ` ?PH}b?f4 运行/usr/local/etc/rc.d/squid.sh start 启动squid
xHR+(( $T@xnZ 运行/usr/local/etc/rc.d/squid.sh stop 停止squid
&