(一、系统安装)
F@:'J\I}: VM,]X. 8ITdSg '6Q=#:mc\ 前言
E\,-XH K6)j0]K1 ^`>/.gL $p?aVO 写本文的初衷主要是记录下我一段时间学习使用FreeBSD建设网站平台的一些经验和体会。因为本人是菜鸟,所以很多地方不够完善。本文权当给初学者提供一个具体可操作的实例。所有操作步骤都是我边做边写。避免出现遗漏或一些不必要的小错误,给初学者带来麻烦。
{!dVDf_ E+w<RNBmz 本网站平台建设全过程包括FreeBSD系统的安装,web、ftp、mail、proxy服务器、视频点播服务器等。所有过程都在FreeBSD4.7环境下测试通过。
`^y7f n=ux5M 由于写本文时参考了网上太多前辈和大侠的资料,无法一一列举。还请作者原谅。
(ICd} j,dR,N d 本连载文章前后关联很紧密,建议初学者一步一步来做。
bbyg8;/ u-5{U-^_ 试验环境如下:
}!C)}.L< ,nB5/Lx 硬件环境:普通pc机,双网卡。配制不需要高,主要是稳定,并能适应长时间开机。听前辈介绍AMD k6的cpu运行FreeBSD好像有点问题。不过我没有试验。建议用intel的。
tC9n
k5~ Oo%d]8W 软件环境:操作系统:FreeBSD4.7(4.8)
H+Sz=tg5 1 Ya`| ?FS web服务器:Apache 1.3.27+modssl +mod_php4+mod_gzip+mod_fastcgi +mod_perl +mysql3.23
A$:U'ZG_ sp*v?5lW ftp服务器:Proftpd1.2.7+proftpd-mod-quotatab-1.2.4+mysql
#?9;uy<j.q 1PV'?tXp( mail服务器: iceblood前辈制作的qmail安装包(经过修改)+vqregister-2.5
\)?HJ "!%l/_p? proxy服务器:使用FreeBSD内置的NAT和PPP拨号+squid
%F4%H|G `lt"[K< 视频点播服务器:Helix Universal Servevr (realserver9.01)
Gk /fBs X(-4<B 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)
~O&:C{9= )/?$3h; %Q dn 7{I0s;R 第一步:安装系统
/C G"]!2 " ;x@~A^<el 关于安装过程网上有很多文章,这里不作详述。仅提出几点建议供大家参考:
<?4V }d}Ke_Q0 1、 采用最小化安装。
exUu7&*: xjj6WED 2、 安装时启用inetd,并在编辑inetd.conf文件时,把带有“ftp”的行前面的“#”号去掉。这样作是为了以后安装软件时可以用ftp上传文件。
?oHpFlj eM?I$eP TN 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。
<3C*Z"aQ>| ^qD$z=z- 4、 分区时将/home、/usr和/var划的大一些,因为/usr为程序目录,/var要存放日志,/home是用户主目录,我的用户文件如网页、ftp上传文件等都放在这里。还有最好保留一部分空间留作以后需要的时候用。我的机器上有2块硬盘,一快18.2G SCSI硬盘,一块40G IDE硬盘。我是这样划分的。
cq/$N 'u |c 128M /
tHwMX1 IG @wNG{Stj 20G /home
6MMOf\
OA"q[s 2G /ftp
JB[~;nLlC Hn+~5@. 256M /tmp
!NvI:C_4| l3I:Q^x@ 6G /usr
r:ptQo`1- }oGA-Qc}B 5G /var
'Xq|Kf ( X=fYWj[H, 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。
)ea>% 8i#2d1O 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。
{:$>t~=D f5VLw`m}.8 安装完系统后,要重新编译内核。目的是要系统支持Firrwall和提高运行效率。
y''z5[' ]a*d# 首先确认系统是否安装了FreeBSD的内核支持。如果是最小安装,则需要运行/stand/sysinstall命令安装内核支持。方法如下:
0*D$R`$ WuUk9_g # /stand/sysinstall
\$T(t/$9
MC.)2B7 选Configure—Distributions—src—sys,内核文件将被安装在/usr/src/sys目录中。
ofw3S|F6 V7fq4O^: 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。
::{Q1F #-i>;Rt 转到内核文件目录
UIN<2F_ %%gc2s # cd /usr/src/sys/i386/conf
!/i{l 9c,'k#k 编辑内核文件
N.{H,oO ` Jgd'1'FOs # vi kernel_wwwx # kernel_wwwx为我的内核文件名
e_ANUll1 8_B4?` k 我的内核文件如下:
EC!02S Mc_YPR:C #
.Una+Z ARwD~Tr # GENERIC -- Generic kernel configuration file for FreeBSD/i386
8ek@: Mw hxd`OG<gF #
Eq9x2 DJ [#5h5 # For more information on this file, please read the handbook section on
BdblLUGK# nIy}#MUd|q # Kernel Configuration Files:
Y}|X|!0x vJc- 6EO #
T9_RBy;% >T3- #
http://www.FreeBSD.org/doc/en_US.IS...fig-config.html {~"/Y@&]R l=)xo@6 #
n QZwC
,I(d6 # The handbook is also available locally in /usr/share/doc/handbook
/quc}"__ gANuBWh8T # if you've installed the doc distribution, otherwise always see the
J^5So e9 5Lo+:f # FreeBSD World Wide Web server (
http://www.FreeBSD.org/) for the
?2{Gn-{ &LZn
FR # latest information.
{xB!EQ" =I;ZMJR #
Tc &z: (U_ujPD ? # An exhaustive list of options and more detailed explanations of the
.A{tQ1&_ QIvVcfM^ # device lines is also present in the ./LINT configuration file. If you are
{e9@- JZ*/,|1}EC # in doubt as to the purpose or necessity of a line, check first in LINT.
BmMGx8P 6x[}g #
L<-_1!wh FvXZ<(A{ # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246.2.48 2002/08/31 20:28:26 obrien Exp $
Fk*7;OuZl a /l)qB# u4F5h PO] >#~& -3 machine i386
>j(_[z|v3 wyj{zWRJp cpu I586_CPU
BsqP?/ a# y;dK cpu I686_CPU
l%pu HZ)t 5Y'qaIFR ident kernel_wwwx #内核文件名,这个要和你的内核文件名一致
~f1%8z lVR~Bh maxusers 0
T?soJ]A ?2;&O`x* ag#S6E^%S 8Pn#+IvCE options INET #InterNETworking
fg!__Rdi zrL$]Oy}x options FFS #Berkeley Fast Filesystem
w/S%YW3* [OV"}<V options FFS_ROOT #FFS usable as root device [keep this!]
," Wr" aa?b`[Xa options SOFTUPDATES #Enable FFS soft updates support
>WQMqQ^t@ Mxsa-?R;v options UFS_DIRHASH #Improve performance on big directories
st3l2Q EZy)A$| options PROCFS #Process filesystem
Ng>5?F^v l7259Ro~ options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
7BjJhs (Hz^)5(~ options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
ZaDyg"Tw+ '4Ixqb+ options SYSVSHM #SYSV-style shared memory
;R5`"` %C'?@,7C options SYSVMSG #SYSV-style message queues
YpZ+n*&+ W5lR0)~#* options SYSVSEM #SYSV-style semaphores
H*QIB_ #!qm ZN options P1003_1B #Posix P1003_1B real-time extensions
c~$)UND^ g\(G\ tnu> options _KPOSIX_PRIORITY_SCHEDULING
)}]g]
g S)k*?dQ##R options ICMP_BANDLIM #Rate limit bad replies
I<4Pur>" gsvuE options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
oMD>Ywc- /-ch`u md # output. Adds ~128k to driver.
2LL'J7 w%VU/6~ options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
tl4V7!U@^z C:* *;=. # output. Adds ~215k to driver.
,p@y]
cr i]y<|W)Q3 :O?MSS;~ FLCexlv^ device tun 1
,j}6?
Q 5C*Pd
Wpl options IPFIREWALL #防火墙
t#/YN.@r !t%j?\f options IPFIREWALL_FORWARD #允许透明代理
VT%NO'0 /W30~y options IPFIREWALL_VERBOSE #允许防火墙日志
:P\7iW ;|5F[ options IPFIREWALL_VERBOSE_LIMIT=100 #限制日志
Ar|0b}=)> wj<6kG options IPFIREWALL_DEFAULT_TO_ACCEPT #默认允许所有IP包
Eh;'S"{/?j =Z3 F1Cq? options IPDIVERT #启用由ipfw divert使用的转向IP套接字
fue(UMF~ Sh~dwxp*" }6}l7x r
CHl?J # To make an SMP kernel, the next two are needed
)!Z*.? -M~:lK]n #options SMP # Symmetric MultiProcessor Kernel
dulI&_x #m<nAR #options APIC_IO # Symmetric (APIC) I/O
kr5">"7 VimE@ Hz He/8=$c% +I:Unp device isa
;Ax
}KN7 nQtWvT device eisa
uR4z&y z'U1bMg device pci
"f2$w p* (JjH 9y8&9<# S6M}WR^, Yty/3T3)e Mj?`j_X # ATA and ATAPI devices
)VS=E7[ /P3 <"?#k device ata
R)(T^V`{ omu|yCK device atadisk # ATA disk drives
ufZDF=$7 7P5)Z-K[ VT`^W Hu F>6|3bOR @R"JW\bd f:,DWw`B # SCSI Controllers #没有SCSI设备不需要这段
n;C
:0 GPv1fearl device ahb # EISA AHA1742 family
LTCb@L{^i YnS#H" device ahc # AHA2940 and onboard AIC7xxx devices
wn, KY$/ DE8n+Rm device ahd # AHA39320/29320 and onboard AIC79xx devices
#PW9:_BE oUr66a/[U device amd # AMD 53C974 (Tekram DC-390(T))
9@:2wR | Jk11fn;\> device isp # Qlogic family
kGS;sB m%?pf2%I# device mpt # LSI-Logic MPT/Fusion
xY8$I6 t]g-CW3 device ncr # NCR/Symbios Logic
o5O#vW2Il& A_ZY=jP device sym # NCR/Symbios Logic (newer chipsets)
6f>{"' 9Cp-qA%t options SYM_SETUP_LP_PROBE_MAP=0x40
;_I8^? d S-b/S5 # Allow ncr to attach legacy NCR devices when
EIAc@$4 TR`U-= jH, # both sym and ncr are configured
SrJGTuXg -%CP@dAk tBWrL{xLe mzKiO_g} device adv0 at isa?
[`[|l
^_W#+>&-- device adw
,0Hr2*p 6=/F$| device bt0 at isa?
mb3"U"ohs |4zIfAO device aha0 at isa?
yNo0ubY *W1dG#Np} device aic0 at isa?
~?Pw& K2 6OIte-c eA ?RK.e fu ,}1Mq# device ncv # NCR 53C500
qkY:3Ozw $G+@_' device nsp # Workbit Ninja SCSI-3
~P,lz!he_ ,HV(l+k {| device stg # TMC 18C30/18C50
0<@KG8@hI; gzT*- yYYSeH @ioJ]$o7 # SCSI peripherals #没有SCSI设备不需要这段
rfJz8uF% |F[+k e device scbus # SCSI bus (required)
]^7@}Ce_ [kB7@o device da # Direct Access (disks)
9T9!kb Vwf$JdK%&l device sa # Sequential Access (tape etc)
=v&hWjP i$#;Kpb`^ device cd # CD
qgHWUwr+n sb*G!8j device pass # Passthrough device (direct SCSI access)
"m8^zg hL b\!_cb~ "@ ie95rZp #q$HQ&k 4.aZ#c91_ ZvX*t)VjTz 2MIi=c:oqK ;[YG@-"XZ # atkbdc0 controls both the keyboard and the PS/2 mouse
3(N$nsi H$t_Xw== device atkbdc0 at isa? port IO_KBD
MJO-q $)c
ltSU fI device atkbd0 at atkbdc? irq 1 flags 0x1
JFmC\ G>}255qY xLajso1g69 2@],ZLa device vga0 at isa?
3;9^ {dlXLx!B K@]4g49A/j `/+>a8 C.-,^+t;g d7y[0<xM # syscons is the default console driver, resembling an SCO console
RbnVL$c ,[KD,)3y device sc0 at isa? flags 0x100
&6!)jIWJ vh%B[brUJ #zs~," dRv T?0eVvM (5YM?QAd vA{-{Q # Floating point support - do not disable.
F/{!tx T'9'G
M device npx0 at nexus? port IO_NPX irq 13
Sz`,X0a t3_O H^ 0#hlsfc]\ @,+5y\]C PC8Q"O ]_gU#,8
# Serial (COM) ports
q3!bky\ K69'6?# device sio0 at isa? port IO_COM1 flags 0x10 irq 4
/,yd+wcW# mq.`X:e FVKTbvYn 7n<{tM # 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
UI0VtR] j,eo2HaL # 使用公共的MII总线控制器代码的PCI以太网适配器
FW4<5~'
W{+2/P # 注意:一定要保留'device miibus'以确保可用
$s:aW^k \M^bD4';> # PCI Ethernet NICs that use the common MII bus controller code.
rM%1GPVob 4+8@`f>s # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
g3y~bf q|(HsLs device miibus # MII bus support
tyFzSrfc :5<UkN)R( device fxp # Intel EtherExpress PRO/100B (82557, 82558)
#;yZ #;e:A8IQ device rl # RealTek 8129/8139
oG\Vxg* -Q*gW2KmV device vr # VIA Rhine, Rhine II
oMa6(3T?E q<1~ vA9 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
g) jYFfGfH Vc Z3
X4/ a`>B Ly5o PJH& # Pseudo devices - the number indicates how many units to allocate.
8l`*]1.W< 3s#N2X;Bc pseudo-device loop # Network loopback
li.;IWb0+) (!WD1w pseudo-device ether # Ethernet support
Q![@c YOO+R{4( pseudo-device sl 1 # Kernel SLIP
YaqJ,"GlT R\[e!g*I pseudo-device ppp 1 # Kernel PPP
I!K6o.|1 @o`AmC.
8 pseudo-device tun # Packet tunnel.
G 3ptx!
D Dlvz) pseudo-device pty # Pseudo-ttys (telnet etc)
WNtW|IV P&Vv/D pseudo-device md # Memory "disks"
3Y$GsN4ln M\BRcz pseudo-device gif # IPv6 and IPv4 tunneling
>hIu2jm es7=%!0 pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
p`qgrI` (tW`=]z-< Z%UP6% $XH^~i; # The `bpf' pseudo-device enables the Berkeley Packet Filter.
|[8Th4*n JxU5 fe # Be aware of the administrative consequences of enabling this!
[$UI8tV (TM,V!G+U~ pseudo-device bpf #Berkeley packet filter
WcGS9`m/ W(p_.p"
(完)
8z\xrY HZZn'u Fsg*FH7J F!K>K z 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。
Tid a a \i&<s; 接下来编译安装新内核:
COlaD"Y Z;"vW!%d # /usr/sbin/config kernel_wwwx #kernel_wwwx为你的内核文件名
f|(M.U- 6Kz,{F@ # cd ../../compile/kernel_wwwx
I]q% 2ie \~ wMfP8 # make depend
d0>
zS G3v5KmT # make
>yDZw!C />>\IR # make install
_)-o1`*- mX|ojZ 重新启动(reboot)
7{Wny&[0 dAj$1Ke ]]yO1x$Kk I%Z 如果系统升级过源代码树,按下面方法编译内核:
Dvln/SBk e+K^Aq # cd /usr/src
BJ(M2|VH Wc
'H # make kernel KERNCONF=kernel_wwwx #kernel_wwwx为你的内核文件名
Etm?' g9F?z2^ 重新启动
bg0Wnl \l3h0R m#p'iU*va, N{>n$v}
FreeBSD网站平台建设全过程(二、接入Internet并配制代理服务)
>
Nr#O Rf1x`wml akQ7K Oow2>F%_# 使用adsl接入Internet有两种情况,通过拨号获取动态ip或服务商直接给定静态ip。后者配制起来较容易。本文先讨论动态ip如何设置。
BDVtSs<7 8dhUBJ0_ 由于第一步重新编译内核时已经加进了对Firewall的支持。这里就可以通过直接编辑/etc/ppp/ppp.conf文件和/etc/rc.conf文件就可以上网并支持NAT方式透明代理了。
v &+R^iLE i}?>g -( # vi /etc/ppp/ppp.conf
QmIBaMI# Z?z.?ar 我的ppp.conf文件内容如下:(注意set前要留空格)
?
=+WRjF e>7i_4(C default:
ml$o5&sN rrv%~giU set log Phase tun command
:Ux_qB 8~gLqh8^V set ifaddr 10.0.0.1/0 10.0.0.2/0
w%sT{(Vd`C @=kSo
-SX adsl: # 配置代号
%~S&AE- nFs(?Rv* set device PPPoE:vr0 # vr0 改成你连接ADSL modem的网卡名
W@!S%Y9 OZ!^ak set mru 1492
h)nG)|c Rws3V"{`[ set mtu 1492
N}YkMJy gPc=2 set authname username # username是拨号用户名
Wo,?+I %u5]>]M+ set authkey password # password是拨号密码
;jTN| i' 8-6L|#J# set dial
,6W>can /H+a0`/ set login
M&
CqSd g$o&Udgs add default HISADDR
RzusNS n?K (完)
6\S~P/PkE &]-DqK7 FU<Jp3<% S#[j )U- # vi /etc/rc.conf
:P=(k2 IdxzE_@ 我的rc.conf文件内容如下:(动态ip)
G<;*SYAb ji,kkipY?w # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
$,fX:x eQvg7aO; # Created: Tue Jul 15 21:20:28 1997
d8x;~RA ?@
$r # Enable network daemons for user convenience.
e64 ^ChCoV Lq!>kT<]! # Please make all changes to this file, not to /etc/defaults/rc.conf.
;P&OX5~V N$:8,9.z # This file now contains just the overrides from /etc/defaults/rc.conf.
w"&n?L eGbGw hostname="wwwx.3322.org" # 你的主机域名
FN) $0 b*Q&CL ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内网网卡ip地址,fxp0是网卡名
GNJj=1Lsd R_S.tT! inetd_enable="YES" # 开机加载inetd
]:/Q]n^ lCHO;7YHX kern_securelevel_enable="NO"
*siFj
CN< -+-_I*( linux_enable="YES"
ges J/I '(jG[ry&T nfs_reserved_port_only="NO"
tIS<U(N; QnX(V[ sendmail_enable="NO"
*EwR!L* 0S$N05 sshd_enable="YES"
=zs`#-^8 s=/v';5J2! usbd_enable="NO"
57'4ljvYi 2jCf T>`3 gateway_enable="YES"
7W.~ H~z`]5CN firewall_enable="YES" #启用防火墙
PRE|+=w$ 6Sn .I1Wy firewall_script="/etc/rc.firewall"
QUQ'3 0}dpK $. firewall_type="open"
Tc3yS(aq #
c^z&0B} firewall_quiet="YES"
WvZ8/T'x }|5Pr(I firewall_logging_enable="YES"
c_!cv":s 4#hSJ(~7S ppp_enable="YES" # 开机自动拨号
gt w Q- )B8$<sv ppp_mode="ddial"
r^ ZEImjc lBGQEP3; ppp_nat="YES" # 启用透明代理
K8Y=S12Ti uOdl*| T? ppp_profile="adsl" # 配置代号
c<$OA=n EI^C{$Y # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
G[q$QB+ CYYU7 (完)
Uq`'}Vo 2WYPO"q fvxu#m= :tv,]05t 这样重新启动后就可以拨号上网并实现透明代理了。客户端需要设置dns服务器为服务商提供的dns,网关设成代理服务器的内网卡ip地址,这里是192.168.0.1。并把IE中“internet选项”关于连接设置的所有复选框清除。
>`ZyG5 | (_ 如果解析不了域名,检查一下/etc/resolv.conf文件是否加入了正确的dns服务器地址。
HT1!5 A1zjPG&] Bo%NFB; "wh ,Ue 如果是静态ip方式,则只需要编辑/etc/rc.conf文件。
fPW@{~t "OnGE$ 我的/etc/rc.conf文件如下:(静态ip)
-_eLf#3 s.NGA.]$ # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
WaR`Kp+> %FI E\9 # Created: Tue Jul 15 21:20:28 1997
_b;{_g hTi$.y!k # Enable network daemons for user convenience.
#|PS&}6wU Z!X0U7&U # Please make all changes to this file, not to /etc/defaults/rc.conf.
KRDmY+ q.`NtsW!\+ # This file now contains just the overrides from /etc/defaults/rc.conf.
k7A-J\ h2;F hostname="wwwx.3322.org" #主机域名
)U{Qj5W+F $[=%R`~w defaultrouter="218.10.104.1" #服务商提供的路由器地址
@@%.t|= QWHug:c ifconfig_vr0="inet 218.10.104.188 netmask 255.255.255.0" #服务商提供的静态ip
3"KCh\\b nt7.?$ ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内部网卡ip
"vE4E| C#Iybg inetd_enable="YES" #开机加载inetd
)gy!GK QbpFE)TYJ| kern_securelevel_enable="NO"
X1vd'> M{hg0/}sUW linux_enable="YES"
qR+!l( 54li^ nfs_reserved_port_only="NO"
+pn
N!:q cY. bO/&l sshd_enable="YES"
><HE;cVg? l}sjD[2 sendmail_enable="NO"
W'+:'_{ j: n3
r3"~i usbd_enable="NO"
j
Dv{/) G?/DrnK: gateway_enable="YES"
u.Tcg^ v v^iL5y! firewall_enable="YES"
yFlm[K5YD 9.B
KI/ firewall_script="/etc/rc.firewall"
Px`!A EFd[ Q9G;V]./ firewall_type="open"
xLH)P<^`C CooQ>f firewall_quiet="YES"
Y,t={HiclX ,0HRAmG
firewall_logging_enable="YES"
F,)%?<!I j*TYoH1 natd_enable="YES" # 启用透明代理
2Gaa(rJ5o 6]%sFy2 natd_interface="vr0" # natd接口,vr0为连接外网modem的网卡
*U=s\ ;&-k#PE]/H # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
;
_1
at rK]Cr9W M (完)
=CVB BuVy 'K{Z{[s{ :I^;jdL x-.?HS[ 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。
+<3XJ7D j@uOOhy e@*
EzvO ?\s+EE&- 使用Squid:
K':;%~I o@i#|kx, 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。
6 EC* yx&51G$ 安装方法:
;8{4!S&b C-6F]2: 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。
1rF]yi:X !*bMa8]* q}#6e]t xx9 g''Q 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:
$#pPZ KRMQtgahc # mkdir /home/ylf/app
OCaq3_#tZ TOXfWEU3> 将用户ylf设为/home/ylf/app目录及其子目录的所有者
e)#J1(j_ c*L\_Vx+ # chown –R ylf /home/ylf/app
8~z~_TD6m@ 6){]1h" 到
http://www.squid-cache.org/Versions/v2/2.5/ 下载squid 的最新稳定版本,现在是squid-2.5.STABLE3
e-#BDN(O nWYN Np?h 打开IE浏览器,在地址栏输入
ftp://192.168.0.1 ,出现ftp登陆对话框,输入用户名ylf及密码,登录成功后。将下载的squid-2.5.STABLE3复制到app目录中。
E`de7 n'kG] Q 执行如下命令:
=Bhe'.]QSx aa#Y=%^ # cd /home/ylf/app
=sJ7=39 EZ$>.iy{ # tar zxvf squid-2.5.STABLE3.tar.gz #解压缩安装包
"~7>\>UFh 22M1j5 # cd squid-2.5.STABLE3 #进入解开的目录
|\IN.W[EL K<Iv:5-2 # ./configure --prefix=/usr/local/squid #配制、将squid安装在/usr/local/squid目录
4\u1TYR "x*egI # make all #编译
PV\+P6aIb ]<rkxgMW> # make install #安装
oO|KEY( 0C
irfcs}Z 下面编辑squid的配置文件:
%r}{hq4 bITPQ7+ # cd /usr/local/squid/etc
KZ
;k)O.Ov yiC^aY=- 将原来的配置文件改名
+&( Mgbna wFsyD3 # mv squid.conf squid.conf.bak
J1I ;Jgql( ^N;.cY 编辑新的配置文件
dP<=BcH>f s ;oQS5Y # vi squid.conf
1o;J,dYu xLWwYK 我的squid.conf内容如下:
$oU*9}}Rn =JbRu|/ dq&yf7 vAh6+K.e #取消对代理阵列的支持
9c#+qH pU%n]]qF icp_port 0
#W'HR >
BY&,4r wq(7|!Eix (@<c6WS #对日志文件和pid文件位置进行设置
],FMwCI uU <=d cache_store_log none
_c*=4y s{S4J'VW cache_access_log /usr/local/squid/var/logs/access.log
>x+6{^}Q > o` ZQ d,3 cache_log /usr/local/squid/var/logs/cache.log
Avd
^ UU mTOJr emulate_httpd_log on
2w_W Adi 8I8
F/47x pid_filename /usr/local/squid/var/logs/squid.pid
O%(fx!c` kabnVVn~ uK$9Ll{lk mdmvT~` #设置运行时的用户和组权限
!tMuuK?IL= ^~@U] cache_effective_user squid
g -HN P+PR<ZoI{f cache_effective_group squid
Xti[[s J O[s{ Gk'> s'a/j)^ eg?<mKrZ #设置管理信息
Hl/
QnI! BuWHX>H visible_hostname wwwx.3322.org.
C8e
!H V=qwwYz~ cache_mgr
yourname@yourdomain.com K[Kh&`T &7b|4a8B% TI#''XCB5 !\i\}feb #设置监听地址和端口
{7;8#.S72 UXugRk%d http_port 3128
V_RTI.3p E4W -hq~ udp_incoming_address 0.0.0.0
2FF4W54I 8:>1F, OjF_ %5 u7[ykyV #设置squid用户hot object的物理内存的大小以及设置cache目录
9:,\gw>F |e?64%l5P cache_mem 32 MB
3'qJ/*]9 g[Ib,la_a cache_dir ufs /usr/local/squid/cache 1024 16 256
ang~< Xr2ou5zAn .DR<Te %K`% *D #访问控制设置
pr#z=vqH WObvbaK acl mynet src 192.168.0.0/255.255.255.0
qg!|l7e ~j5x+yC acl all src 0.0.0.0/0.0.0.0
#iWSDy R_68-WO http_access allow mynet
wX[8A/JPD )V ;mwT!Q http_access deny all
vj\d A2!~ 2?,EzBeal 8`
@G; o W4e5Rb4~f" #透明代理设置
ryCI>vJz AvSM^ httpd_accel_host virtual
.J.-Mm`. I1\a[Xe8E httpd_accel_port 80
T ;vF( GXjfQ~<] httpd_accel_with_proxy on
C;`XlQG ` Bj}^\Pc;} httpd_accel_uses_host_header on
{>,V\J0p +
33@?fl. %Gj8F4{ '|*?*6q #swap 性能微调
;._7jFj. 8&~~j7p, half_closed_clients off
;D
s46M-s ,^ WJm?R cache_swap_high 100%
>O?U=OeD J?}WQLVP' cache_swap_low 80%
i|}[A psC
mbN maximum_object_size 1024 KB
!]fQ+ *X0g q7Dw_< o{EC&- iMFgmM| #控制对象的超时时间
E%v?t1>/ Wg0g/ refresh_pattern -i .html 1440 90% 129600 reload-into-ims
Ns0cgCrhX vRxM4O~" refresh_pattern -i .shtml 1440 90% 129600 reload-into-ims
(_*5oj- X*Dj[TD] refresh_pattern -i .hml 1440 90% 129600 reload-into-ims
W4U@%b do lGk{LO) refresh_pattern -i .gif 1440 90% 129600 reload-into-ims
/43-;"%> n?ctLbg refresh_pattern -i .swf 1440 90% 129600 reload-into-ims
|'+eMl #8bsxx!s refresh_pattern -i .jpg 1440 90% 129600 reload-into-ims
o fMY,~w U
uM$~qf/K refresh_pattern -i .png 1440 90% 129600 reload-into-ims
;)I'WQ]Q NeBsv= [- refresh_pattern -i .bmp 1440 90% 129600 reload-into-ims
Ppt2A6W <ggtjw S refresh_pattern -i .js 1440 90% 129600 reload-into-ims
!!V#v9{ #gaQaUjR (完)
^1x*lLf npyAJp nG,U>) >Clh] ;K 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。
XfE -fH1j `#QG6/0 如果不使用日志,将日志设置部分改成如下句子:
6XJ[h c8M2 ^{O,` cache_store_log none
aJe^Tp( ^eGNgE cache_access_log /dev/null
CWG6;NT6m NU\
5{N< cache_log /dev/null
#9fWAF
|R@~-Ht ~h=X8-D ',4x$qe 添加squid系统用户和组
ZBG}3Z
G633Lm`ri # pw groupadd squid
;HBCUe<_ #:|+XLL # pw useradd squid -g squid -s /sbin/nologin
9F-
)r' 'snn~{hG 建立cache目录
5,;`$'?a% G"59cv8z4R # mkdir /usr/local/squid/cache
KkMay CBKkBuKuk 改变cache目录和logs目录的所有者为squid用户和组
C"qU-&*v H:JLAK # chown –R squid /usr/local/squid/cache
W85@v2b Dbaf0 # chgrp –R squid /usr/local/squid/cache
w[-Fm+A> e{9jn>\,a # chown –R squid /usr/local/squid/var/logs
j ! NO|&k -/dEsgO # chgrp –R squid /usr/local/squid/var/logs
C4#rA.nF| oM1
6C| 运行squid –z建立cache目录结构
Ei3zBS?J) ia{c # /usr/local/squid/sbin/squid –z
vNOH&ja-s b*mKei (9mM kU= lE
;jCN 测试squid运行情况
XC3Kh^ A+wv-~3 # /usr/local/squid/sbin/squid –NCd1
o1OBwPj
Gy Qm/I 出现下面显示证明squid安装成功
}Y1>(U w_4]xgS: 2003/06/21 18:01:09| Starting Squid Cache version 2.5.STABLE3 for i386-unknown-freebsd4.7...
=AEz9d ciS W"xP(7X 2003/06/21 18:01:09| Process ID 160
NOK/<_/ 6V+ qnUk 2003/06/21 18:01:09| With 957 file descriptors available
&>jAe_{", QIn/,Yd 2003/06/21 18:01:09| Performing DNS Tests...
V'2EPYB }T0K^Oe+eS 2003/06/21 18:01:09| Successful DNS name lookup tests...
"%QD{z_L y8bM<e2
U 2003/06/21 18:01:09| DNS Socket created at 0.0.0.0, port 1029, FD 4
aSYs_?&. '69ZdP/xX 2003/06/21 18:01:09| Adding nameserver 202.97.224.68 from /etc/resolv.conf
tNmy&
nsA !sA_?2$ 2003/06/21 18:01:09| Unlinkd pipe opened on FD 9
LDy<k=;o @TA9V@?) 2003/06/21 18:01:09| Swap maxSize 1048576 KB, estimated 80659 objects
+|%Sx kDYN>``biP 2003/06/21 18:01:09| Target number of buckets: 4032
W;Jx<-#1 `wTlyS3[ 2003/06/21 18:01:09| Using 8192 Store buckets
&Rz,
J] npu6E;'l* 2003/06/21 18:01:09| Max Mem size: 32768 KB
V5GkP1L z&$/EP- 2003/06/21 18:01:09| Max Swap size: 1048576 KB
&yz&LNn' i!dv0|_ 2003/06/21 18:01:09| Store logging disabled
\H5Jk$* y466A]| 2003/06/21 18:01:09| Rebuilding storage in /usr/local/squid/cache (DIRTY)
i(wgB\9i4 dow^*{fqZ 2003/06/21 18:01:09| Using Least Load store dir selection
} i)$n(A)K qturd7 2003/06/21 18:01:09| Current Directory is /usr/local/squid/etc
Y
ZaP 7/X"z=Q^| 2003/06/21 18:01:09| Loaded Icons.
Zq ot{s Cw,D{ 2003/06/21 18:01:09| Accepting HTTP connections at 0.0.0.0, port 3128, FD 8.
h:Ndzp{ ;<G<1+ 2003/06/21 18:01:09| WCCP Disabled.
;+I4&VieK TQ1WVq
}* 2003/06/21 18:01:09| Ready to serve requests.
Lg`Jp&Kg ,
Ut Hc] 2003/06/21 18:01:16| Done scanning /usr/local/squid/cache swaplog (0 entries)
cf[vf!vi r<L#q)] 2003/06/21 18:01:16| Finished rebuilding storage from disk.
22KI]$D#f jV7&Y.$zF] 2003/06/21 18:01:16| 0 Entries scanned
>n7["7HHk YirC* 2003/06/21 18:01:16| 0 Invalid entries.
eE/%6g {rkn q_;0 2003/06/21 18:01:16| 0 With invalid flags.
8R69q: /k"hH\Pp 2003/06/21 18:01:16| 0 Objects loaded.
K{}4zuZ L]2<&%N2 2003/06/21 18:01:16| 0 Objects expired.
R+$8w2# GG'Sp53GE 2003/06/21 18:01:16| 0 Objects cancelled.
*"G 8 N^elVu4 K 2003/06/21 18:01:16| 0 Duplicate URLs purged.
^4`&EF _&
4its 2003/06/21 18:01:16| 0 Swapfile clashes avoided.
t&814Uf&\ D)&o8D` 2003/06/21 18:01:16| Took 7.3 seconds ( 0.0 objects/sec).
f@:CyB GQ
A@$fb}CF 2003/06/21 18:01:16| Beginning Validation Procedure
iIU(
C.I Gbd?%{Xc- 2003/06/21 18:01:16| Completed Validation Procedure
3BMS_,P VVrwOoCN 2003/06/21 18:01:16| Validated 0 Entries
e.6Dl_ `h;}3r#R{ 2003/06/21 18:01:16| store_swap_size = 0k
Bx X$5u hZNEv| 2003/06/21 18:01:17| storeLateRelease: released 0 object
Plz-7fy33 qCJ=Z 否则根据提示检查配制文件。
~Y/z=^ TIRHT`"i .~dEUt/|) :+kUkb-/ 为了使squid的透明代理起作用,需要设置端口转发。方法如下:
U
%:c],Fk S[@6Lp3q_ 编辑/etc/rc.firewall文件,添加下面一句
9 |K*G~J ':;LrTc'K ipfw add 00500 fwd 127.0.0.1,3128 tcp from 192.168.0.0/24 to any 80
Ww87 iAz UaF y=o=1( JY4_v>Aob 下面建立squid的启动脚本squid.sh:
*=^[VV! 2uo8j F.h 首先建立/usr/local/etc/rc.d目录
YbvX$/zGu 5|WOBOh>`& # mkdir /usr/local/etc
owMuT^x? /;UTC)cJ # mkdir /usr/local/etc/rc.d
Ry%YM,K3
l/ V&s< # cd /usr/local/etc/rc.d
fJ :jk6@ Nz]aaoO4 # vi squid.sh
q lY\*{x4 M5+W$W 文件内容如下:
-g2{681`r l Z~+u #!/bin/sh
t61'LCEis Rk[8Bd?
iH _"W+dq *7vue"I*Z #if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
^X;JT=r U3q5^{0d/ # echo "$0: Cannot determine the PREFIX" >&2
M]s[ "0O ],V
kp # exit 1
ag/u8 OX,F09.C #fi
&@'V\5G cJ4S! )K.R\]XR er\:U0fr#@ case "$1" in
=w ,(M :A$wX$H01 start)
>#i $Tw # 8qyg<F if [ -x /usr/local/squid/sbin/squid -a -f /usr/local/squid/etc/squid.conf ]; then
?xHtn2(q wR1K8b".DC (cd /usr/local/squid/var/logs; /usr/local/squid/sbin/squid >/dev/null 2>&1 &) ; echo -n ' squid'
wG6FS "w1(g=n fi
XkoW L xf UhSt ;;
o(SuUGW 6Wu*.53 stop)
9_`3IJ :,=Fx</H /usr/local/squid/sbin/squid -k shutdown 2>&1
'!j(u@&! >?Qxpqf2 # Uncomment this if you'd like the system to (attempt to
:dbV2'vIQ B(EtXB9 # wait for) squid to shut down cleanly
v7$9QVze ^AH-+#5 #echo "Sleeping for 45 seconds to allow squid to shutdown.."
Dpp@*xX> @>9A$w$H|a #sleep 45
v*gLNB,ZH H.;yLL= ;;
?ZM^%]/+ Kk56/(_S *)
kBUufV~ jM[f[ echo "Usage: `basename $0` {start|stop}" >&2
qSCTFJ0 6g5]=Q@U: ;;
*kV#)j v @_?iC"` esac
]LY^9eK)>{ YmA) @1@U zXDd,ltm [@s=J)H exit 0
)da:&F - t)`+d=P (完)
=z']s4 Fj48quW1\P FRD<0o /` fzOMX
z 这样每次启动后,squid就会自动运行。
*@=fq|6l 2 A<