(一、系统安装)
xm$-:N0q ` G-V
% eEl71 BL[N 前言
'^!#*O 9,c_(%C OUFx M euiP<[|h= 写本文的初衷主要是记录下我一段时间学习使用FreeBSD建设网站平台的一些经验和体会。因为本人是菜鸟,所以很多地方不够完善。本文权当给初学者提供一个具体可操作的实例。所有操作步骤都是我边做边写。避免出现遗漏或一些不必要的小错误,给初学者带来麻烦。
!fmbm4!a
j/p1/sJ[y 本网站平台建设全过程包括FreeBSD系统的安装,web、ftp、mail、proxy服务器、视频点播服务器等。所有过程都在FreeBSD4.7环境下测试通过。
PX/7 :D? xNOArb5e5 由于写本文时参考了网上太多前辈和大侠的资料,无法一一列举。还请作者原谅。
a${<~M
hm ^gSZzJ5 本连载文章前后关联很紧密,建议初学者一步一步来做。
$+ i9koh3R\ 试验环境如下:
'B\7P*L"p j@u]( nf 硬件环境:普通pc机,双网卡。配制不需要高,主要是稳定,并能适应长时间开机。听前辈介绍AMD k6的cpu运行FreeBSD好像有点问题。不过我没有试验。建议用intel的。
vN9R.R cMK}BHOC 软件环境:操作系统:FreeBSD4.7(4.8)
U-U"RC> /P%OXn$i/ web服务器:Apache 1.3.27+modssl +mod_php4+mod_gzip+mod_fastcgi +mod_perl +mysql3.23
5_7y 1 Aw$+Ew[8 2 ftp服务器:Proftpd1.2.7+proftpd-mod-quotatab-1.2.4+mysql
~J:]cy)Q iu.v8I;< mail服务器: iceblood前辈制作的qmail安装包(经过修改)+vqregister-2.5
s3sPj2e{ /
DG t proxy服务器:使用FreeBSD内置的NAT和PPP拨号+squid
%EH{p@nM&- ~YRG9TK 视频点播服务器:Helix Universal Servevr (realserver9.01)
oH='\M%+ zQ~ax!}R 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)
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3Sri u*=8s5Q[ 572{DC&T [nASMKK0 第一步:安装系统
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r+ c> 0R_ 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:
363KU@` e|}B;< 1、 采用最小化安装。
B",;z)(% z_8lf_N 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。
.+(R,SvN%< %k'>bmJ 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。
<&RpGAk%I \2))c@@% 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。
R8-=N+hX ?[<#>,W 128M /
yu>)[|- oJ?,X^~_ 20G /home
< Dt/JA(p ZM16 ~k 2G /ftp
$1 t
IC_ >@)p*y.K 256M /tmp
r yNe=9p 5=&ME(fmV 6G /usr
[\3W_jR |Kb
m74Z% 5G /var
7epil t0_4jVt 其中/ftp是为匿名ftp用户访问专用。剩余空间留作备用。当然如果硬盘空间少的话,做我们的试验也是够用的。
3 <)+)n Z 4QL&?U
关于安装方面的文章,大家也可以参考delphij写的《FreeBSD服务器的安装与优化》。
http://community.freebsdchina.org/catalog.php?forum=34 一文。
R-YNg R} X"di 安装完系统后,要重新编译内核。目的是要系统支持Firrwall和提高运行效率。
k8c(|/7d jwpahy;\WL 首先确认系统是否安装了FreeBSD的内核支持。如果是最小安装,则需要运行/stand/sysinstall命令安装内核支持。方法如下:
|Iknk, kvG.?^ v # /stand/sysinstall
Lpohc4d[V *,|x
p 选Configure—Distributions—src—sys,内核文件将被安装在/usr/src/sys目录中。
%xrldn% 3i1TBhs6 注意:这之后的过程在终端上操作要方便许多。SecureCRT支持在终端界面上直接拷贝和粘贴文本内容。
mw&'@M_(7 {T-=&%|| 转到内核文件目录
x[=,$;o+ 6UI6E)g # cd /usr/src/sys/i386/conf
A0,h7<i $0R5 ]]db) 编辑内核文件
SQ&}18Z~ D"gv:RojD # vi kernel_wwwx # kernel_wwwx为我的内核文件名
d uP0US NvC @ 我的内核文件如下:
$zM \Jd =~ k}XB #
#(QS5J&Qq +Sc2'z>R # GENERIC -- Generic kernel configuration file for FreeBSD/i386
pgQ^w0BQV ^5Zka!'X2Z #
.'>d7 7g$*K0m` # For more information on this file, please read the handbook section on
Y-lwS-Ii OLo?=1&;; # Kernel Configuration Files:
^WF_IH& aLl=L_ #
%l,CJd5 7K ~)7U #
http://www.FreeBSD.org/doc/en_US.IS...fig-config.html Hy5 6@jW+E 6L rI,d #
_Wq;bKG 31\mF\{V # The handbook is also available locally in /usr/share/doc/handbook
Zv2]X- G5%k.IRz # if you've installed the doc distribution, otherwise always see the
_0BQnzC= jn`5{ ]D # FreeBSD World Wide Web server (
http://www.FreeBSD.org/) for the
#"8'y \H&;.??W # latest information.
E@EP9X
> &c} 2[= #
M3Qi]jO98 I@5$ <SN # An exhaustive list of options and more detailed explanations of the
YC$>D?FW =d+`xN* # device lines is also present in the ./LINT configuration file. If you are
0"Euf41 ;66{S'*[ # in doubt as to the purpose or necessity of a line, check first in LINT.
3-oKY*jO Vju/+ #
e,Z[Nox #l h'
! # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246.2.48 2002/08/31 20:28:26 obrien Exp $
M N (o 6VS_L@ LcT;7yv F|cli
< machine i386
1/,~0N9 L)8%*X cpu I586_CPU
U_hzSf g6+5uvpd cpu I686_CPU
F("|SOhc
AQ0zsy ident kernel_wwwx #内核文件名,这个要和你的内核文件名一致
9R">l5u 4 L
5$=V maxusers 0
JP(0/?Q | #b/EA9 gLY15v4? YI;MS:Qj options INET #InterNETworking
`4?|yp.|L >3*a&_cI=k options FFS #Berkeley Fast Filesystem
~1aM5Ba{ 8)2M%R\THn options FFS_ROOT #FFS usable as root device [keep this!]
OO'zIC<z @iMF&\KC options SOFTUPDATES #Enable FFS soft updates support
C9_[ke[1D xB]^^NYE= options UFS_DIRHASH #Improve performance on big directories
a_]l?t CMyz!jZ3 options PROCFS #Process filesystem
6y "]2UgQk 8C?E1fH\ options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
.|Yn[?( +~*e B options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
of
GoaH*h 52NI{" options SYSVSHM #SYSV-style shared memory
J qmL|S) ggrkj0 options SYSVMSG #SYSV-style message queues
lIZ&'
z x6$3KDQm options SYSVSEM #SYSV-style semaphores
dt>9mF q \.+:yV<$ options P1003_1B #Posix P1003_1B real-time extensions
;)SWwhQ Bj"fUI!dK options _KPOSIX_PRIORITY_SCHEDULING
m.\JO +G\i$d;St options ICMP_BANDLIM #Rate limit bad replies
u.*}'C>^^v ZD7qw*3+ options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
.XVL JJ# jW4>WDN: # output. Adds ~128k to driver.
^N7 C/" p *=!r|UdB. options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
mB6%. " GctV # output. Adds ~215k to driver.
lA;qFXaN> K`60[bdp AX'-}5T= B9Wd
' device tun 1
6.$z!~8 .,U4 ATO options IPFIREWALL #防火墙
G1*,~1i .>~er?- options IPFIREWALL_FORWARD #允许透明代理
|/$954Hr#< (uy\~Zb options IPFIREWALL_VERBOSE #允许防火墙日志
&Nw|(z&$ bE@Eiac options IPFIREWALL_VERBOSE_LIMIT=100 #限制日志
.TDg`O24c, Sqyju3Yp options IPFIREWALL_DEFAULT_TO_ACCEPT #默认允许所有IP包
Eau
V +?[s"( options IPDIVERT #启用由ipfw divert使用的转向IP套接字
)>^ Ge9d] ]"htOO \rg;xZa5 ?<5KLvG v # To make an SMP kernel, the next two are needed
QAMcI:5 1_]%, #options SMP # Symmetric MultiProcessor Kernel
IS`ADDU[S baL<|&
c #options APIC_IO # Symmetric (APIC) I/O
=P_*.SgR Sfp-ns32%A y+V>,W)r7 cM4{ e^ device isa
#yU"n-eLR %o0 H#7' device eisa
la4%Vqwgu 3`RI[%AN~ device pci
G )`gn 3+
2&9mm wehiX7y Twr,O;*u= Kb-m W^S]"N0u # ATA and ATAPI devices
VR A+p?7- A/fM30 device ata
S v#,L8f MZh?MaBz06 device atadisk # ATA disk drives
\:'6_K I)0_0JXs L/%{,7l<^? -^;,m=4{3
U z[#ye NR-<2
e3 # SCSI Controllers #没有SCSI设备不需要这段
B[
D
s?: Bn=YGEvz device ahb # EISA AHA1742 family
Dkh=(+> < x9 n(3Oa device ahc # AHA2940 and onboard AIC7xxx devices
- DYH>! vQy<%[QO device ahd # AHA39320/29320 and onboard AIC79xx devices
}w2Et D0MW~Y6{ device amd # AMD 53C974 (Tekram DC-390(T))
3H4T*&9;n >IA1 \?( device isp # Qlogic family
@+)T"5_Y[ ]1|7V|N6 device mpt # LSI-Logic MPT/Fusion
\q24E3zS& Ol>/^3a= device ncr # NCR/Symbios Logic
|}/KueZ (?lT @RY/ device sym # NCR/Symbios Logic (newer chipsets)
>Rb
jdM5K4 0dI7{o;<| options SYM_SETUP_LP_PROBE_MAP=0x40
,OP\^ 4!-R&<TLve # Allow ncr to attach legacy NCR devices when
Z@$'fX?~9 `Hv"^o # both sym and ncr are configured
i }Zz[b r(_Fr#Qn * kUb[ 5lM 3In@ device adv0 at isa?
d-W*`:Q TIaiJvo device adw
n!lE|if [9Tnp]q device bt0 at isa?
"T<7j.P? 5LU7}v~/ device aha0 at isa?
sqjDh h uR ^l device aic0 at isa?
N+H[Y4c?F& #SjCKQ~ De>,i%`Q,D -lq`EB+ device ncv # NCR 53C500
0m\( @2E HzuG- V device nsp # Workbit Ninja SCSI-3
m`Z.xIA7; ycvgF6Me< device stg # TMC 18C30/18C50
BGOS( :Dtm+EQ qF`]}7"^ S@~ReRew2 # SCSI peripherals #没有SCSI设备不需要这段
jMX|1b qw)Ou]L= device scbus # SCSI bus (required)
>%n6n! " 3vQVk device da # Direct Access (disks)
A8AeM` :6m"}8*q8 device sa # Sequential Access (tape etc)
AI,E9 iV\*7 device cd # CD
o$7UWKW8 #!_ViG )2^ device pass # Passthrough device (direct SCSI access)
="Azg8W <A`SC;k\u km`";gUp> Pi,86? ^%Ln@!P ~(`MP< F<dhG>E9 O@:R\MwFOZ # atkbdc0 controls both the keyboard and the PS/2 mouse
)]E?~ $, rg]z device atkbdc0 at isa? port IO_KBD
-&) ,zJ:a>v device atkbd0 at atkbdc? irq 1 flags 0x1
-b?s\X hQvI} V{\1qg{ T$;BZ=_ device vga0 at isa?
M~Er6Zg R4zOiBi'B Z]5xy_La `>lY$EBG@[ wNNg"}&P 9OlJC[ # syscons is the default console driver, resembling an SCO console
?/~Q9My lACS^( device sc0 at isa? flags 0x100
kn`O3cW/ #&z'?x^a $`lGPi(Jc ]{0OPU N&(MM.\`^ H6KBXMYO # Floating point support - do not disable.
%.fwNS 5*Dh#FRp device npx0 at nexus? port IO_NPX irq 13
5CH8;sMK bZj5qjl`x y"K[#&,0 yD0DPtti %xp 69 ?]+!gz1 # Serial (COM) ports
>J:liB|( 8zjJshE/ device sio0 at isa? port IO_COM1 flags 0x10 irq 4
_5OxESE bJeF1LjS Sg\+al7 SxkY ;^-U # 我用的是8139和Dlink DFE-530TX网卡,大家可根据自己的网卡型号保留或删除
&7{yk$]* zIr-Rx'dL^ # 使用公共的MII总线控制器代码的PCI以太网适配器
5)->.* G* X8~?uroq # 注意:一定要保留'device miibus'以确保可用
3 [O+wVv f/m0,EERk # PCI Ethernet NICs that use the common MII bus controller code.
zP|^@Homk r*FAUb`bG # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
\(zUI ^^YP kh6sS device miibus # MII bus support
~ET XXu${I &F*eo`o}6 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
{rygIl{V N7)K\)DS!z device rl # RealTek 8129/8139
1DH P5q o}52Qio device vr # VIA Rhine, Rhine II
c68,,rJO]i i\#?M " device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
r=]$>& L;6{0b58$ [?XP[h gd \GK]6VW # Pseudo devices - the number indicates how many units to allocate.
<uo@k' /8 "rCh|m- pseudo-device loop # Network loopback
}z2[w@M VLfKN)g pseudo-device ether # Ethernet support
o Z%oP V: Pa?C-Xn^ pseudo-device sl 1 # Kernel SLIP
meGLT/
E0u&hBd3_ pseudo-device ppp 1 # Kernel PPP
c&PaJm |>wGl pseudo-device tun # Packet tunnel.
QM7BFS; *{O[} pseudo-device pty # Pseudo-ttys (telnet etc)
xgvwH?< U@53VmrOy pseudo-device md # Memory "disks"
0E@*&Ru NuXII- pseudo-device gif # IPv6 and IPv4 tunneling
&&zsUAkS ,=: -&~? pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
HY(XI u eEYzA Fnd_\`9{ 4MCj*ok< # The `bpf' pseudo-device enables the Berkeley Packet Filter.
0="wxB nUCOHVI7 # Be aware of the administrative consequences of enabling this!
NFqGbA| U[Lr+nKo\ pseudo-device bpf #Berkeley packet filter
oA;ZDO06r 1=PTiDMJ<* (完)
tCv}+7) F4IU2_CnPD )`mBvS.} Sf2xI' 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。
%Y9CZRY9 vX&W;& 接下来编译安装新内核:
"kjSg7m*: l]~IZTC # /usr/sbin/config kernel_wwwx #kernel_wwwx为你的内核文件名
:*YnH& n(sseQ|\ # cd ../../compile/kernel_wwwx
x
}]"jj2x D J7U6{KLq # make depend
s?
2ikJq :BB=E'293 # make
yl0;Jx? HI,`O # make install
ryb81 .| F(Je$c/J|~ 重新启动(reboot)
N686~ 2AEVBkF;M ZzxWKIE'c eYevj[c; 如果系统升级过源代码树,按下面方法编译内核:
YdN]Tqc gJ^taUE # cd /usr/src
DHZ`y[&}|N SF da?> # make kernel KERNCONF=kernel_wwwx #kernel_wwwx为你的内核文件名
v4XEp
ClNuO 重新启动
QZuKM 'D+ h05<1>?| 20I/En e`Co =' FreeBSD网站平台建设全过程(二、接入Internet并配制代理服务)
Of}C.N8 RrdLh z2N (k_9<Yb3 kM(m$Oo. 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。
)4>7X)j> b.RFvq5Z 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。
3PlIn0+LX ?%n"{k?# # vi /etc/ppp/ppp.conf
oVW>PEgB- B&<P >AZ 我的ppp.conf文件内容如下:(注意set前要留空格)
i1*0'x $)d34JM default:
Mh{>#Gs Eqh*"hE7 set log Phase tun command
T wzpq1 ;d
FJqo82 set ifaddr 10.0.0.1/0 10.0.0.2/0
3$.#\*s_4 Mq_P'/ adsl: # 配置代号
? 51i0~O= " ]OROJGa set device PPPoE:vr0 # vr0 改成你连接ADSL modem的网卡名
,sT5TS
q Y~?Z'uR set mru 1492
Pz0TAb _(I)C`8m set mtu 1492
L~RFI&b
c0;rvw7 set authname username # username是拨号用户名
^F&j;8U e0j4t-lL set authkey password # password是拨号密码
CyXaHO X#zp,7j? set dial
T6."j_ jmcys
_N3 set login
_]{LjJ!M O 0$V+fE add default HISADDR
T\bpeky~ 2'-84 (完)
|sEuhP\A3 Ijk hV 12;YxW>[ )uMv] # vi /etc/rc.conf
d8U<V<H< O%haaL\ 我的rc.conf文件内容如下:(动态ip)
&gUa^5'# 6Nt/>[ # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
*||Q_tlz TKgN31 ` # Created: Tue Jul 15 21:20:28 1997
1N<n)>X4
z4;@"B # Enable network daemons for user convenience.
{s@ 0<! 5:C>:pA V # Please make all changes to this file, not to /etc/defaults/rc.conf.
>s1?rC a6O <t;& # This file now contains just the overrides from /etc/defaults/rc.conf.
j(k}NWPH b*/Mco 9O hostname="wwwx.3322.org" # 你的主机域名
#=;vg /Gn0|]KI ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内网网卡ip地址,fxp0是网卡名
X{<taD2~ ]Qa|9G,b inetd_enable="YES" # 开机加载inetd
E0yx
@Vx [rL 8L6,! kern_securelevel_enable="NO"
D@:'*Z( _pDfPLlY& linux_enable="YES"
dCo3 VF"u yH>C7M7t nfs_reserved_port_only="NO"
wNn=JzP pf%;* sendmail_enable="NO"
F^`+.G\ Nwe-7/Q sshd_enable="YES"
4O/IT1+A oZ ^,* usbd_enable="NO"
M{)&SNI*C j%Xa8$ gateway_enable="YES"
"a3?m) H8=:LF firewall_enable="YES" #启用防火墙
!l Egta[Ql F^aD# firewall_script="/etc/rc.firewall"
Tku6X/LF E.+%b;Eqe firewall_type="open"
gVI`&W__, i5&,Bpfo- firewall_quiet="YES"
uG +ZR:
_
M&<qGV$A firewall_logging_enable="YES"
Px9 K ;(A- ppp_enable="YES" # 开机自动拨号
_zi| GD 8R:Glif ppp_mode="ddial"
O0s!3hKu yn_. ppp_nat="YES" # 启用透明代理
j>uu3ADd2 O:GAS [O` ppp_profile="adsl" # 配置代号
>/lB%<$/ *'-t_F'; # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
>,h{` #TO^x&3@ (完)
ByO?qft>u m7C!}l]9 3,X8 5`v^ k7;i^$@c 这样重新启动后就可以拨号上网并实现透明代理了。客户端需要设置dns服务器为服务商提供的dns,网关设成代理服务器的内网卡ip地址,这里是192.168.0.1。并把IE中“internet选项”关于连接设置的所有复选框清除。
/wl]kGF U_j[<.aN) 如果解析不了域名,检查一下/etc/resolv.conf文件是否加入了正确的dns服务器地址。
!pkIaCxs S^|U" dv+ZxP%g }/,Rp/+7] 如果是静态ip方式,则只需要编辑/etc/rc.conf文件。
R!lug;u# jzGK(%sw" 我的/etc/rc.conf文件如下:(静态ip)
-sZb+2tDa Li"+` # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
W&&|T;P<J 8lGM>(:o # Created: Tue Jul 15 21:20:28 1997
,<)D3K< )tnbl"0 # Enable network daemons for user convenience.
4d}=g]P &q9=0So4\ # Please make all changes to this file, not to /etc/defaults/rc.conf.
B]:|;d ?6hd(^ # This file now contains just the overrides from /etc/defaults/rc.conf.
q\|RI;W x[&<e<6 hostname="wwwx.3322.org" #主机域名
iyd$_CJ z N)AlQ'Lwx defaultrouter="218.10.104.1" #服务商提供的路由器地址
VZ=:`) \E<Qi3W>* ifconfig_vr0="inet 218.10.104.188 netmask 255.255.255.0" #服务商提供的静态ip
i/H;4#Bz gmgri ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内部网卡ip
>]xW{71F@ hITYBPqRO inetd_enable="YES" #开机加载inetd
1 ]
cLbJ .4tu{\YX kern_securelevel_enable="NO"
P:N>#G~z FfrC/"N linux_enable="YES"
#D|%r-:" DR:DXJc nfs_reserved_port_only="NO"
BRskxyL&, aq8./^ sshd_enable="YES"
UnP<`z# (GC5r#AnS sendmail_enable="NO"
V$O 6m|q 80'@+AD usbd_enable="NO"
X0-PJ-\aD@ xkiiQs) gateway_enable="YES"
:vzIc3~c:` }LKD9U5;8 firewall_enable="YES"
*Egg*2P;"Q L8!yP.3 firewall_script="/etc/rc.firewall"
9H/R@i[E 6)ln,{ firewall_type="open"
wet[f {c kGo2R]Dd[ firewall_quiet="YES"
Q"nw.FjUG
YG8V\4
SQ firewall_logging_enable="YES"
I`rN+c: \Cj3jg natd_enable="YES" # 启用透明代理
)lJAMZ 5xp VjNr<~ |d natd_interface="vr0" # natd接口,vr0为连接外网modem的网卡
Z"_8l3 }r,xx{.u7 # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
|N"K83_pr KYJP`va6k (完)
*<y9.\zY< DB-79U %W 8Q$WwiS f!R7v|jP 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。
%;v~MC@ l9="ccM "aCB} #k|f>D4 使用Squid:
@6tczU}ak 6SH0
y 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。
5 QuRwu_ +y8Y@e}> 安装方法:
WysWg7,r &Tuj`DL 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。
,>7dIJqzw "0[`U(/ a^@.C5 AG9DJ{T 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:
)UF'y{K} 8h@L_*Kr # mkdir /home/ylf/app
]k^?= 2|& S2uq 将用户ylf设为/home/ylf/app目录及其子目录的所有者
{ +w.Z,D" w9VwZow # chown –R ylf /home/ylf/app
?O#,{ZZf= z,x
)Xx 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
Nc{&AV8Y_v fxoEK}TM 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。
0E!-G= v `'<$N<! 执行如下命令:
`N.:3]B
t x[0hY0 ?[M # cd /home/ylf/app
#&?ER]|3 -d#08\ # tar zxvf squid-2.5.STABLE3.tar.gz #解压缩安装包
[r8[lkR Xm>zT'B_tJ # cd squid-2.5.STABLE3 #进入解开的目录
YW&K,)L@ OObAn^bt # ./configure --prefix=/usr/local/squid #配制、将squid安装在/usr/local/squid目录
gjN'D!'E1D E>tHKNyVTp # make all #编译
+~iiy;i( %sOY:>
# make install #安装
RH<2f5-sC! M.}J SDt 下面编辑squid的配置文件:
+
c3pe4 *->*p35 # cd /usr/local/squid/etc
mHW%:a\L Gt*K:KT=L 将原来的配置文件改名
0Atha>w^o~ gveJ1P # mv squid.conf squid.conf.bak
k89N}MA abUO3
Y{ 编辑新的配置文件
IJ2' {TpbUj0 # vi squid.conf
76@W:L*J$J b/
\EN) 我的squid.conf内容如下:
;#9?3Os fv+ET:T% u%:`r*r 0m*b9+q #取消对代理阵列的支持
p{LbTjdNc Q\kWQOB_ icp_port 0
>zX^*T# Q;y5E`G .-M5.1mo\( xcWR#z{z #对日志文件和pid文件位置进行设置
lqmQQ*Z v9*+@ cache_store_log none
8CUtY9. Gkem _Z cache_access_log /usr/local/squid/var/logs/access.log
T%6JVFD "X2'k@s` cache_log /usr/local/squid/var/logs/cache.log
kOD=H-vSi 8}:$=n4& emulate_httpd_log on
*1kFy_Gx aH uMm& pid_filename /usr/local/squid/var/logs/squid.pid
qKd ="PR} o
[V8h@K) }vU/]0@,E oJQS&3;/r #设置运行时的用户和组权限
TY %zw6 #p P}5bSQ( a3 cache_effective_user squid
1 mJUlx JZ-@za6u cache_effective_group squid
^-q{:lx <Qih&P9;> (i%bQZt^? 83R s1}* #设置管理信息
f|w;u!U( AP,ZMpw visible_hostname wwwx.3322.org.
E!1\9wzM{ ri8=u$! cache_mgr
yourname@yourdomain.com ^;a
.;wR E7\K{] >JE+g[$@ b5=|1SjR #设置监听地址和端口
j#2Xw25 }g-w[w 7p http_port 3128
eo4z!@pRN $zCCeRP udp_incoming_address 0.0.0.0
l3 F$5n K)>F03=uE K<5yjG8& F<p`)? #设置squid用户hot object的物理内存的大小以及设置cache目录
v LN KX;9 rD <T cache_mem 32 MB
}YdC[b$j^ &2XH.$Q cache_dir ufs /usr/local/squid/cache 1024 16 256
i4i9EvWp U&])ow): !;&\n3-W rrRv 7J&Q #访问控制设置
5?` 4qSUz V?
tH/P acl mynet src 192.168.0.0/255.255.255.0
LJ@(jO{z +`Q]p "G acl all src 0.0.0.0/0.0.0.0
"Tser*i ) 2@Yu:|d4U http_access allow mynet
.lb]Xa*n K2x2Y= http_access deny all
QK6_dIvDz q1u$Sm GNv{Ij< Cscu #透明代理设置
%8u9:Cl): r&a}U6k(y httpd_accel_host virtual
59 g//;35@ S`5bcxI_ httpd_accel_port 80
P!f0&W SzB<PP2 httpd_accel_with_proxy on
EoPvF`T ^$'z#ZN1 httpd_accel_uses_host_header on
z4BU}`;b3t k;cX,*DIn 2#5Q~ )cizd^{ #swap 性能微调
+d=f_@i ,5Wu
half_closed_clients off
h?/E /> Pah@d!%A cache_swap_high 100%
WcSvw Nm&'&L%Ch cache_swap_low 80%
*cWHl@4 7Ji'7$ maximum_object_size 1024 KB
)C?H m^# ej_u):G* Ey:?! "Y:>^F; #控制对象的超时时间
&Wa3/mWK ;
k.@= refresh_pattern -i .html 1440 90% 129600 reload-into-ims
ui)mYR[8X Ix_w.f=8 refresh_pattern -i .shtml 1440 90% 129600 reload-into-ims
J#Y0R"fo In?+ refresh_pattern -i .hml 1440 90% 129600 reload-into-ims
v=G*K11@ RYvcuA) refresh_pattern -i .gif 1440 90% 129600 reload-into-ims
5SUO`4L '6NrL;
refresh_pattern -i .swf 1440 90% 129600 reload-into-ims
x#SE%j? jRiMWolLv refresh_pattern -i .jpg 1440 90% 129600 reload-into-ims
EgPL+qL ~Sb)i f refresh_pattern -i .png 1440 90% 129600 reload-into-ims
g#74c'+ 3S_H&>K refresh_pattern -i .bmp 1440 90% 129600 reload-into-ims
;\A_-a_(# 30WOH
'n refresh_pattern -i .js 1440 90% 129600 reload-into-ims
I$sXbM;z= hfIP
(完)
}xr0m+/ :I&y@@UG _XP}fx7$C CB>W# P% 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。
(|AZO! X(E`cH
| 如果不使用日志,将日志设置部分改成如下句子:
ENqZ=Lyq %pxJ2 7Q cache_store_log none
rlh:|#GTJ y-H9fWi8Y& cache_access_log /dev/null
EZiLXQd_ `,~'T [ cache_log /dev/null
\(Nx)F j<!dpt aTm R~k ML|?H1m> 添加squid系统用户和组
9C?SEbC b4^O= # pw groupadd squid
|;|r[aU :Wx7a1.Jz # pw useradd squid -g squid -s /sbin/nologin
1hi 93.\.&L\ 建立cache目录
MkGQ ^NX;zc # mkdir /usr/local/squid/cache
Q;>Yk_(S 1O0)+9T82 改变cache目录和logs目录的所有者为squid用户和组
Q'=7#_ gp$]0~[tO # chown –R squid /usr/local/squid/cache
0OG
3#pE Tw$tE: # chgrp –R squid /usr/local/squid/cache
_nz_.w0H9 o`QH8 # chown –R squid /usr/local/squid/var/logs
V!. Y M)B onmkg}&_ # chgrp –R squid /usr/local/squid/var/logs
E71H=C 4 ddl]!
^IK 运行squid –z建立cache目录结构
CIo`;jt K 6:}n}q,V # /usr/local/squid/sbin/squid –z
T}?b,hNl$ <f}:YDY' 0 5?`W&:9 bYQ@! 测试squid运行情况
JDa_;bqL POl-S<QV # /usr/local/squid/sbin/squid –NCd1
E[ -yfP~[ C%<Dq0j 出现下面显示证明squid安装成功
( -q0!]E $tW E9_ 2003/06/21 18:01:09| Starting Squid Cache version 2.5.STABLE3 for i386-unknown-freebsd4.7...
%}N01P|X> y"Fu= 2003/06/21 18:01:09| Process ID 160
Vr&
GsT >mvE[iXRG? 2003/06/21 18:01:09| With 957 file descriptors available
p"6[ S lBG=jOS 2003/06/21 18:01:09| Performing DNS Tests...
xa_ IdkV wO!>kc< 2003/06/21 18:01:09| Successful DNS name lookup tests...
Av n-Ug QYDI-<.( 2003/06/21 18:01:09| DNS Socket created at 0.0.0.0, port 1029, FD 4
p; , V )AieO-4* 2003/06/21 18:01:09| Adding nameserver 202.97.224.68 from /etc/resolv.conf
$aT '~|? &
\5Ur^t 2003/06/21 18:01:09| Unlinkd pipe opened on FD 9
:rufnmsP<U 0wqw5KC 2003/06/21 18:01:09| Swap maxSize 1048576 KB, estimated 80659 objects
rVOF )xg8#M=K 2003/06/21 18:01:09| Target number of buckets: 4032
m7A3i<6p \N|}V.r 2003/06/21 18:01:09| Using 8192 Store buckets
6&~Z3|<e M/F<W! 2003/06/21 18:01:09| Max Mem size: 32768 KB
'Q]Wk75 d7g$9&/q 2003/06/21 18:01:09| Max Swap size: 1048576 KB
46l*ui_ gL|
9hvHr[ 2003/06/21 18:01:09| Store logging disabled
01
+#2~S 8(NS;? 2003/06/21 18:01:09| Rebuilding storage in /usr/local/squid/cache (DIRTY)
=kq<J-:#R beYGP 2003/06/21 18:01:09| Using Least Load store dir selection
wS$ 'gKA6 {EoZ}I 2003/06/21 18:01:09| Current Directory is /usr/local/squid/etc
X}={:T+6s `;R$Ji=> 2003/06/21 18:01:09| Loaded Icons.
I%[Tosud< K4|fmgcy. 2003/06/21 18:01:09| Accepting HTTP connections at 0.0.0.0, port 3128, FD 8.
ebL0cK? 75P!`9bE 2003/06/21 18:01:09| WCCP Disabled.
-;
d{}F 96!2@c{ 2003/06/21 18:01:09| Ready to serve requests.
XF3lS#pt tycVcr\( 2003/06/21 18:01:16| Done scanning /usr/local/squid/cache swaplog (0 entries)
1 Cz}|#U eUu<q/FUMj 2003/06/21 18:01:16| Finished rebuilding storage from disk.
`\ nKPj &432/=QSm0 2003/06/21 18:01:16| 0 Entries scanned
J7EWaXGbz O]="ggq& 2003/06/21 18:01:16| 0 Invalid entries.
=NK'xPr &jnBDr 2003/06/21 18:01:16| 0 With invalid flags.
MdkL_YP}. \q!TI x 2003/06/21 18:01:16| 0 Objects loaded.
WqCER^~'> pK>/c>de 2003/06/21 18:01:16| 0 Objects expired.
~S
:8M<aB ]5j>O^c< 2003/06/21 18:01:16| 0 Objects cancelled.
}HbUB$5 ei]Q<vT6 2003/06/21 18:01:16| 0 Duplicate URLs purged.
VJr ~h
"[ wB[
JFy"E 2003/06/21 18:01:16| 0 Swapfile clashes avoided.
mH<|.7~0 Yu[MNX;G 2003/06/21 18:01:16| Took 7.3 seconds ( 0.0 objects/sec).
*ZRk) 6khm@}} 2003/06/21 18:01:16| Beginning Validation Procedure
W8]?dL}| o {q8An) 2003/06/21 18:01:16| Completed Validation Procedure
%6V=G5+W ,( hP /< 2003/06/21 18:01:16| Validated 0 Entries
vON7~KA #~|esr/wf 2003/06/21 18:01:16| store_swap_size = 0k
Mac :E__G `09[25? 2003/06/21 18:01:17| storeLateRelease: released 0 object
eXLdb- xo-}t5w6t 否则根据提示检查配制文件。
fo9V&NE `J{{E,y
@ h,fahbH- :Xx7':5 为了使squid的透明代理起作用,需要设置端口转发。方法如下:
-=u9>S)!c p[!9 objU 编辑/etc/rc.firewall文件,添加下面一句
4q@[k:' I.2>d_^< ipfw add 00500 fwd 127.0.0.1,3128 tcp from 192.168.0.0/24 to any 80
MpJ3*$Dr #aP;a-Q|k #7J3,EV !;k
^ 下面建立squid的启动脚本squid.sh:
[[4!b E 3)^2X 首先建立/usr/local/etc/rc.d目录
zJ8 jJFL+Y 8l?@ o # mkdir /usr/local/etc
PIsXX#`7; 4!M0)Nix # mkdir /usr/local/etc/rc.d
`RqV\ 6G+ Kt"4<' # cd /usr/local/etc/rc.d
Us>n`Lj@ ]h=y # vi squid.sh
:`@W`V?6- [#:yOZt 文件内容如下:
p5nrPL sY}0PB #!/bin/sh
dr"@2=Z ^h<ElK `V[ hE
r| q^[SN #if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
0|rdI,z _z"\3hZ # echo "$0: Cannot determine the PREFIX" >&2
Z= pvoTY PB{5C*Y7^k # exit 1
Dx P65wU $*9:a3>zny #fi
K}LF ${bS . Eb=KG cgQ2Wo7tCq V4g vKWc case "$1" in
qyBo|AQ5 *^\u%Ir" start)
w*4sT+
P sR$/z9w if [ -x /usr/local/squid/sbin/squid -a -f /usr/local/squid/etc/squid.conf ]; then
aU] nh. a c
8|&Q (cd /usr/local/squid/var/logs; /usr/local/squid/sbin/squid >/dev/null 2>&1 &) ; echo -n ' squid'
0gKSjTqo Xu{S4#1 fi
MG,?,1_ & t$uj( y> ;;
OF(tCK W%#LHluP stop)
M;0\fUh; ':T"nORC /usr/local/squid/sbin/squid -k shutdown 2>&1
?=Mg"QU s:sk`~2<gd # Uncomment this if you'd like the system to (attempt to
wA%,_s/U dM5N1$1, # wait for) squid to shut down cleanly
QnH~'
k I9cZZ`vs #echo "Sleeping for 45 seconds to allow squid to shutdown.."
~0{F,R.$ B o[aiT #sleep 45
G4f%=Z `]l[p+DO ;;
{/qq*0wa cvnRd.& *)
^0"[l { /gLi(Uw echo "Usage: `basename $0` {start|stop}" >&2
s|Zv>Qt $Mqw)X&q ;;
ARid kc"SUiy/ esac
7t/C:2^& onUF@3V ZOHGGO]1M F:2V; exit 0
}?%5Ae7l, r1xhplHH@ (完)
-;[,`g(f 0hju@&