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Most ISPs provide dial-up connections supporting PPP because it is a fast and efficient protocol for using TCP/IP over serial lines. PPP is designed for two-way networking; TCP/IP provides the transport protocol for data.
PPP (Point to Point Protocol) uses several components on your system. The first is a daemon called pppd, which controls the use of PPP. The second is a driver called the high-level data link control (HDLC), which controls the flow of information between two machines. A third component of PPP is a routine called chat that dials the other end of the connection for you when you want it to.
Configuring a Dial-Up Connection in Ubuntu
Ubuntu includes some useful utilities to get your dial-up connection up and running.Here is the following ways you can connect to your dialup connection
1)Using your networking option in Ubuntu
2)using gnome-ppp
3)using kppp (For Kubuntu)
4)using wvdialconf & wvdial
5)using pppconfig & pon/poff
first thing you need to make sure your modem drivers are installed or not.If you want more details about modem drivers in ubuntu and installation check here
Now we will see 3 ways how to configure dialup connection in ubuntu
Before Starting
Before configuring Dial-up connection you need to have the following information from your ISP
1)Username
2)Password
3)Dail-in number
Configuring a Dial-Up Connection using Networking option
you can go to System—>Administration —>Networking
Once it open the application you should see the following screen
In the above screen select modem connection option and click on properties you should see the following screen
The first thing you will need to do is to enable the connection by ticking the Enable this connection box,now you need enter your ISP’s phone number as well as your username and password
Next, click on the modem tab to specify details about your modem and also configure the speaker volume. Most telephone systems use tone dialling nowadays, so make sure this is selected . I have selected the speaker volume on medium.
Now you need to click on options tab If you are using a laptop, then you will probably want to uncheck Set modem as default route to the Internet whilst you are on a LAN, otherwise you may struggle to see anything! Tick it when you are expecting to use your dial-up connection though, and Ubuntu will use this connection to get out onto the Internet.You need to select other two options checked.
Now You can use the Gnome Modem Monitor and Network Monitor panel if you want to stop, start and monitor modem connections.
Configuring a Dial-Up Connection using pppconfig
configure a connection using pppconfig, a command line utility to help you to configure specific dial-up connection settings.This is a command line based option to manage dialup connections.
Open a terminal from Applications > System Tools > Terminal and type
sudo pppconfig
Now you should see the following screen here you need to select “Create Create a connection” select ok and press enter
Here you need to enter provider name and you can leave default one and in this example i am giving “comcast” select ok and press enter
Next screen you need to select “Dynamic Use dynamic DNS” select ok and press enter
You need to select Authentication method here i am selecting “chat :Use chat for login/password :Authentication” select ok and press enter
Select login prompt option leave default select ok and press enter
Select password prompt option leave default select ok and press enter
Enter the username given to you by your ISP in this example i am using “ruchiw” select ok and press enter
Enter the password given to you by your ISP in this example i am using “myfirstpassword” select ok and press enter
Enter the modem speed as “115200″ select ok and press enter
Select method of dialing as “Tone” select ok and press enter
Enter the number to dial select ok and press enter
Choose your modem configuration method if you want to detect your modem automatically select yes otherwise select no in this example i am selecting no select ok and press enter
Select the modem port and i leave the default option select ok and press enter
Here is the complete details you have choosen for your provider connection in this example comcast
Finished the connection settings select ok and press enter
Select “Quit Exit this utility”
Exit the terminal window using the following command
exit
Connecting to your ISP
Before you connect for the first time you need to add yourself to both the dip and dialout groups by using the commands
sudo adduser YOURNAMEHERE dip
sudo adduser YOURNAMEHERE dialout
# connect to the ISP configured as “comcast”
pon comcast
# disconnect the ISP configured as “comcast”
poff comcast
If you are trying to connect as default “provider” you need to use the following commands to connect and disconnect
pon
poff
You can check the last messages generated by these commands with
# shows the (status) messages generated by pon and poff
plog
Configuring a Dial-Up Connection using gnome-ppp
GNOME PPP is an easy to use graphical dialup connection configuring and dialing tool with system tray icon support.It uses GNOME/GTK+ for its graphical interface and integrates well in GNOME desktop environment, but it can be used in other environments.
It also uses WvDial dialer as its backend, providing simple configuration via config files. You can also use plain wvdial if you don’t have X running.
Install gnome-ppp Ubuntu
sudo apt-get install gnome-ppp
This will complete the installation.
If you want to open the application go to Application—>Internet—>GNOME PPP
Once application opens you should see the following screen
In the above screen you need to click on setup to configure your settings you should see the following screen configre the modem settings
Next click on networking tab to configure network settings
Next click on options tab to configure general options
Once you have all the details enter the details you can see the following screen
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December 17th, 2006 at 12:47 pm
I’m trying to setup Ubuntu for the first time, and get dialup working to my
ISP.
The help info for modem drivers is hidden from me on a “secure webpage”
https://help.ubuntu.com/community/DialupModemHowto/ScanModem
I don’t understand why a help page is “secured”.
I have a partially neutered winblowze without any Java and other web scripting
components so…HTPPS is unreachable.
Thanks, Bill
December 23rd, 2006 at 10:26 am
I have successfully set up a dialup internet connection in Ubuntu 6.06 many times. I have also successfully set up a dialup internet connection in Fedora, each version of Windows, and other programs, many times. However, I have been unable to set up a dialup internet connection in Ubuntu 6.10. What could I be overlooking? Are other people having the same problem?
January 1st, 2007 at 7:52 pm
i am a new user to ubuntu 6.06. i have succesfully set up dailup internet connection using bluetooth modem with gprs in my nokia6600 phone in various version of windows.but idont know how to connect internet usng bletooth modem.please someone asist me how to pair my bluetooth with my phone or kindly recomended me with some links my email id is coolhafeez@yahoo.com
January 7th, 2007 at 9:38 pm
HI, im also a new user of ubuntu 6.06, I have used many isp’s in my country availabe supporting “all MS windows” everyone tested on windows, but all aboove mentioned methods get fail in ubuntu when i try, i get errors (used Networking, Gnome-ppp, and ppp-config). sometimes I get error 16 in pon , even i have used pap, chat and chap explicitly for many connections in ppp-config. I get connected to by GnomePPP but for 30 seconds and with no “IP”
. I called My ISP, they told me that there is not a single attempt made by me to connect to them, No nno diled there 
. Can anyone help me finding the potential problem im facing? Any Support will be gratly appriciated!
Usman
usman911@gmail.com
January 16th, 2007 at 5:59 am
I am having the same problem as HAFAAZ.That’s I need to know how to set up the BLUETOOTH connection.my email is….. fineguy@operamail.com.I’ll appreciate any help I can get.
January 16th, 2007 at 8:26 pm
I have the same problem like Guy, I’m using linux since 7 years and beeing not able to reach a working dial-up connection with ubuntu 6.10! Can’t understand why and need help!
February 3rd, 2007 at 3:46 am
I’m a Ubuntu/Linux newbie and am having similar problems to Guy and Tiller. I have finally found a dialup modem that is recognized and can dial out but I appear to have problems at the authentication stage. I have tried the #auth suggestion that apear in various posts with no success. Any help or advice will be greatly appreciated. I’m about to return to the open arms of Bill and the gang in Redmond!
February 25th, 2007 at 5:17 pm
Obviously the network menu format is confusing, been playing with Linux since 1997 and have to agree, kind of a catch 22, need to go to internet to download gnome PPP, but can’t because can’t dialup. Since millions of folks still use dialup, odd it isn’t simpler perhaps there isn’t room on a single CD, but this is indeed a problem.
April 9th, 2007 at 11:42 am
Good!
Nice tutorial. I was also fed with this problem. thanks for a solution. I will try it now. Let me start.
thanks
April 21st, 2007 at 2:34 pm
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Baru-baru ini gw baru coba pakai Ubuntu, sebuah distro Linux yang (katanya sih) cukup bagus. Ubuntu itu sebuah distro yang “serius”, terbukti dari adanya dana buat kirim-kirim CD gratis dan support bertahun-tahun. Orang-orang di forum juga banyak y…
September 30th, 2007 at 3:31 am
I tried the first two, I didn’t have the third program, and I still can’t connect on that computer. Oh, and you can’t exactly download something to a computer that can’t get on the net, so that one is kinda pointless.
December 13th, 2007 at 1:18 am
Wow,,,,most excellent,,,,WAY better than the Ubuntu forums. Had to sift thru soooooo much stuff in the forums and still not get good instruction.
Many,,many thanks. I’ll definitely utilize this service
April 24th, 2008 at 11:54 am
Very good detailed help. Thanks a lot.
I also got “Cannot open /dev/modem: No such file or directory” errors initially, when trying to connect using “GNOME PPP”.
But my problem solved as follows:
1. enable “Software modem driver” via System->Administration->Restricted Device Manager (you need an internet connection)
2. once the step 1 is over, replaced “/dev/modem” occurrences by “/dev/ttySL0″
a. System->Administration->Network->Modem Connection->Properties->Modem->Modem port
b. Applications->Internet->GNOME PPP->Setup->Device
Please note that I’m using Ubuntu 7.10 (installed using downloaded ISO image) on hp Compaq nx6120 laptop computer. Also I was not in a position to dial to a real PPP server, but I could get a phone call on my mobile, but I hope it’ll work.
- Amil