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博狗集團bodoggroup:linux下adsl拔號與共享上網

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多臺電腦經由過程ADSL同時上網,假如有路由,那就太簡單了。然則,假如沒路由只有互換機怎么辦呢?一樣平常有兩種措施。

1、用雙網卡(一個接內網,一個接外網)的機械裝代理辦事器軟件(windows下有winGet等)來完成,博狗集團bodoggroup但這種措施要兩塊網卡(揮霍),同時還要裝代理軟件(煩,而且還會被打盜版)。

2、經由過程共享拔號連接來辦理,這種措施很簡單且不必要其它的軟件。

對付windows下的第二種措施的實現網上有很文章且很簡單,在此不作闡述。

下面就我在linux(在centOS4.4,rhel as 4,fc5下測試經由過程)下若何經由過程adsl拔號與共享上網作一個簡單的記錄,盼望對新手有所贊助。

1、拔號上網

1.1拔號軟件

linux下的拔號軟件很多,但對照好的是rp-pppoe,一樣平常linux系統會自帶拔號軟件,假如你沒裝,請自己到google去找一個來裝上。

1.2拔號設置

切換為root用戶,只有root才能設置設置設備擺設擺設。

$ su

Password:

# /sbin/adsl-setup

按提示設置用戶名、密碼、DNS、及其它相關信息,下面是我的參考設置設置設備擺設擺設:

Welcome to the ADSL client setup.First, I will run some checks on

your system to make sure the PPPoE client is installed properly...

The following DSL config was found on your system:

Device:Name:

ppp0DSLppp0

Please enter the device if you want to configure the present DSL config

(default ppp0) or enter 'n' if you want to create a new one:

LOGIN NAME

Enter your Login Name (default xyn0699647):

INTERFACE

Enter the Ethernet interface connected to the ADSL modem

For Solaris, this is likely to be something like /dev/hme0.

For Linux, it will be ethX, where 'X' is a number.

(default eth0):

Do you want the link to come up on demand, or stay up continuously?

If you want it to come up on demand, enter the idle time in seconds

after which the link should be dropped.If you want the link to

stay up permanently, enter 'no' (two letters, lower-case.)

NOTE: Demand-activated links do not interact well with dynamic IP

addresses.You may have some problems with demand-activated links.

Enter the demand value (default no):

DNS

Please enter the IP address of your ISP's primary DNS server.

If your ISP claims that 'the server will provide dynamic DNS addresses',

enter 'server' (all lower-case) here.

If you just press enter, I will assume you know what you are

doing and not modify your DNS setup.

Enter the DNS information here:

PASSWORD

Please enter your Password:

Please re-enter your Password:

USERCTRL

Please enter 'yes' (two letters, lower-case.) if you want to allow

normal user to start or stop DSL connection (default yes):

FIREWALLING

Please choose the firewall rules to use.Note that these rules are

very basic.You are strongly encouraged to use a more sophisticated

firewall setup; however, these will provide basic security.If you

are running any servers on your machine, you must choose 'NONE' and

set up firewalling yourself.Otherwise, the firewall rules will deny

access to all standard servers like Web, e-mail, ftp, etc.If you

are using SSH, the rules will block outgoing SSH connections which

allocate a privileged source port.

The firewall choices are:

0 - NONE: This script will not set any firewall rules.You are responsible

for ensuring the security of your machine.You are STRONGLY

recommended to use some kind of firewall rules.

1 - STANDALONE: Appropriate for a basic stand-alone web-surfing workstation

2 - MASQUERADE: Appropriate for a machine acting as an Internet gateway

for a LAN

Choose a type of firewall (0-2):

Please enter a number from 0 to 2

The firewall choices are:

0 - NONE: This script will not set any f博狗集團bodoggroupirewall rules.You are responsible

for ensuring the security of your machine.You are STRONGLY

recommended to use some kind of firewall rules.

1 - STANDALONE: Appropriate for a basic stand-alone web-surfing workstation

2 - MASQUERADE: Appropriate for a machine acting as an Internet gateway

for a LAN

Choose a type of firewall (0-2): 0

Start this connection at boot time

Do you want to start this connection at boot time?

Please enter no or yes (default no):

** Summary of what you entered **

Ethernet Interface: eth0

User name:xyn0699647

Activate-on-demand: No

DNS:Do not adjust

Firewalling:NONE

User Control:yes

Accept these settings and adjust configuration files (y/n)? y

Adjusting /etc/sysconfig/network-scripts/ifcfg-ppp0

Adjusting /etc/ppp/chap-secrets and /etc/ppp/pap-secrets

(But first backing it up to /etc/ppp/chap-secrets.bak)

(But first backing it up to /etc/ppp/pap-secrets.bak)

Congratulations, it should be all set up!

Type '/sbin/ifup ppp0' to bring up yo博狗集團bodoggroupur xDSL link and '/sbin/ifdown ppp0'

to bring it down.

Type '/sbin/adsl-status /etc/sysconfig/network-scripts/ifcfg-ppp0'

to see the link status.

1.3拔號連接與斷開

輸入 '/sbin/ifup ppp0' 進行拔號連接戓'/sbin/ifdown ppp0'斷開赴號連接。

至此,假如統統正常,你就可以正常網上沖浪!

2、共享上網

經由過程上面的設置,你只能自己上網,要想其它電腦共享linux的連接上網,必要作如下的設置。

LINUX收集設置:

內網IP:192.168.0.1

子網掩碼:255.255.255.0

網關:192.168.0.1

DNS:根據各地的收集辦事商不合,云南昆明的是 202.98.160.68

注:要使設置生效,請先竣事網卡,然后再激活。

其它的機械的設置只要包管與linux機械在一個網段并且網關設置為192.168.0.1就可以了,如:

192.168.0.2

255.255.255.0

192.168.0.1

DNS和博狗集團bodoggroup主機一樣。

用你愛好的編輯器(如vi,gedit等)打開LINUX主機的/etc/rc.d/rc.local

在著末補上如下內容:

echo "1" > /proc/sys/net/ipv4/ip_forward

/sbin/ modprobe ip_nat_ftp

/sbin/ modprobe ip_conntrack

/sbin/ modprobe ip_conntrack_ftp

/sbin/ modprobe ip_conntrack_irc

/sbin/iptables -t nat -A POSTROUTING -o ppp0 -s 192.168.0.1/24 -j MASQUERADE

運行一下rc.local

/etc/rc.d/rc博狗集團bodoggroup.local

從新拔號,這樣linux下的共享連接就設置OK了!

免責聲明:以上內容源自網絡,版權歸原作者所有,如有侵犯您的原創版權請告知,我們將盡快刪除相關內容。

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