Hi friends,
This is a very peculiar problem I am facing.
I am using Fedora 10. I use my mobile phone Nokia 5300 as a modem for surfing the internet. I had edited the wvdial.conf file to have my mobile configured as a modem using data cable.
Now when I am dialing for internet access, my mobile phone shows that internet is connected. But when I am launching Firefox, it is showing "Firefox is offline". Again when I am trying a system update,it shows "No network connection". I even tried to install RPMFusion trough the terminal, yet the message was "Unable to connect".
Please help me connect to the internet.
Thanks in advance.

Check your firewall ... install Guarddog for GUI configuration of the same.

If your connection keeps fluctuating then
this may be due to the way Fedora 10 handles CPU scaling on some systems.

But the connection is all along steady, I am getting an "E" on my mobile showing edge connectivity all along. Firefox has not been able to connect for once.
And about the firewall, how can I disable it.

what is the output from
ifconfig
route -n

Is firefox in offline mode ... check?

First you need to stop SELinux with

#su
#setenforce 0

then you can configure your firewall (but usually it is not essential)

Try

#ping www.google.com

Post output of

#ifconfig -a

#netstat (relevant portion)

My machine is connected to the "Students Network" in my hostel through 100 Mbps LAN, so I have an ip 192.168.0.240, netmask 255.255.255.0 and a default gateway 1.1.1.1 .
But ethernet won't affect the dial up internet through mobile phone...will it? (Well I am new to this system, I am not sure).

disable the Lan interface
connect and give the output from
ifconfig and route -n

Output of ifconfig -a is as follows, I could not make a head or tail out of it...


[Nirmalya@Trinity ~]$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1B:38:92:E52
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:16 Base address:0xe000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:76 errors:0 dropped:0 overruns:0 frame:0
TX packets:76 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:5392 (5.2 KiB) TX bytes:5392 (5.2 KiB)

pan0 Link encap:Ethernet HWaddr 4E:42:EB:1D:5E:8F
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

ppp0 Link encap:Point-to-Point Protocol
inet addr:10.230.166.223 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:64 (64.0 b) TX bytes:94 (94.0 b)

wlan0 Link encap:Ethernet HWaddr 00:14:A5:CE:6D:27
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

wmaster0 Link encap:UNSPEC HWaddr 00-14-A5-CE-6D-27-F4-5F-00-00-00-00-00-00-00-00
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

[Nirmalya@Trinity ~]$

The output of route -n is as follwos. I dont know what this all signifies...


[root@Trinity Nirmalya]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.6.6.6 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0
[root@Trinity Nirmalya]#

And about pinging the www.google.com after stopping SELinux is


[root@Trinity Nirmalya]# ping www.google.com
ping: unknown host www.google.com
[root@Trinity Nirmalya]#

Some new developments I found out :

this command "curl http://74.125.77.103" provided me a html code.
the ip is of www.google.com.

When I gave this command "ping 74.125.77.103" pinging was successful.

When I put "http://74.125.77.103" in Firefox browser the google homepage opened up. But if I typed www.google.com in the firefox browser it shows "Address Not Found".

Please help me connect to the internet....

then you need to add the DNS from your provider in
/etc/resolv.conf

nameserver xxx.xxx.xxx

Ifyo don't know the DNS from your provider, you can use openDNS

nameserver 208.67.222.222
nameserver 208.67.220.220

Dear Repo I tried out the open DNS, it didn't work. Firefox says "Address Not Found"
I got the DNS of my service provider,but it didn't work either.
I am just providing the terminal results after I connected by wvdial. See if that contains any info.

[root@Trinity Nirmalya]# sudo wvdial DATA
--> WvDial: Internet dialer version 1.60
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Sending: AT+CGDCONT=1,"IP","www.e.pr"
AT+CGDCONT=1,"IP","www.e.pr"
OK
--> Modem initialized.
--> Idle Seconds = 3600, disabling automatic reconnect.
--> Sending: ATDT*99#
--> Waiting for carrier.
ATDT*99#
CONNECT
~[7f]}#@!}!} } }2}#}$@#}!}$}%\}"}&} }*} } g}%~
--> Carrier detected. Starting PPP immediately.
--> Starting pppd at Mon Apr 20 22:13:17 2009
--> Pid of pppd: 3375
--> Using interface ppp0
--> pppd: p[19]w
--> pppd: p[19]w
--> pppd: p[19]w
--> local IP address 10.230.241.179
--> pppd: p[19]w
--> remote IP address 10.6.6.6
--> pppd: p[19]w
--> primary DNS address 218.248.240.208
--> pppd: p[19]w
--> secondary DNS address 218.248.240.135
--> pppd: p[19]w

what is the output from

That thing gives "Connection timed out:No servers could be reached"