My Debian box can't connect Internet
 

Hi folks,

My Debian box can't connect Internet, Broadband connected.

# ifconfig
showed connecting ISP

I played around with following files without a solution;

# cat /etc/network/ifstate
lo=lo
eth0=eth0

# cat /etc/network/interfaces
# /etc/network/interfaces -- configuration
file for ifup(8), ifdown(8)
# The loopback interface
auto lo
iface lo inet loopback
# The first network card - this entry was created during the Debian
installationauto eth0
iface eth0 inet dhcp

# cat /etc/network/spoof-protect
LOCAL_IPS="127.0.0.1/8"
LOCAL_IFACES="eth0 eth1 ppp0"
(Remark: having tried;
#LOCAL_IPS="127.0.0.1/8"
#LOCAL_IFACES="eth0 eth1 ppp0"
LOCAL_IFACES="eth0 ppp0"

After each change made
# /etc/init.d/networking restart
Reconfiguring network interfaces: done)

# cat /etc/network/interfaces.dpkg-new
# (no output, an empty file)

# cat /etc/network/options
ip_forward=no
spoofprotect=yes
syncookies=no
(having tried;
ip_forward=yes
spoofprotect=no
syncookies=yes)

# ping -c 3 www.yahoo.com
ping: unknown host www.yahoo.com

# /etc/init.d/iptables stop
Aborting iptables load: unknown ruleset, "inactive".

iptables has not been configured yet

Kindly advise how to fix the problem.

Thanks in advance.

B.R.
satimis

netstat -rn

is the line that begins with:

0.0.0.0 pointing to the correct gateway?

Do you have entries in your /etc/resolv.conf file?

grep hosts /etc/nsswitch.conf

Do you have something looking like this:

hosts: files dns

These are 3 good starting points.

Usually, to make sure I'm connected to the net, I try to ping my default gateway first.

Hi,

Thanks for your advice.

netstat -rn

Destination Gateway Genmask Flags MSS Window irtt Iface
202.123.71.254 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
192.168.0.2 0.0.0.0 255.255.255.255 UH 0 0 0 sl0
192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 eth0
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 sl0

Following discoveries were found

1) # pppoe
pppoe: Timeout waiting for PADO packets
(pppoe could not start. It can be started at time of configuring network card after installation of Debian completed)

2) /etc/resolv.conf could not be edited even as ROOT (the file can be opened and its content can be edited. But saving is impossible)

# cat /etc/resolv.conf
search domain.com\000
nameserver 192.168.2.1

# ls -l /etc/resolv.conf
-rw-r--r-- 1 root root


B.R.
satimis

Hi satimis, if you never got this working yet, ive had a similar prob...

Check out my other post @ :
http://www.linuxquestions.org/questi...833#post647833

Hope this helps,
James

Hi James,

Thanks for your advice.

Steps taken by me as follows;
1) Download "fdhcpcd_1.3.22pl4-9_i386.deb" and kept in /tmp

2) apt-get --purge remove pump
Could not find package pump

3) dpkg -i /tmp/fdhcpcd_1.3.22pl4-9_i386.deb
Conflict with dhcp-client

4) apt-get --purge remove dhcp-client

5) dpkg -i /tmp/fdhcpcd_1.3.22pl4-9_i386.deb

6) ifdown eth0
ifup eth0

7) pon dsl-provider

8) ping -c 3 www.yahoo.com
host unknow

Rebooted PC. Result was the same, unable to connect Internet, ISP connected.

B.R.
satimis

I read a post on the Debian User mailing list in the last week with this same problem IIRC the solution was:
Just searched the thread in the archive http://lists.debian.org/debian-user/.../msg05484.html

Hi,

Thanks for your advice.

The main problem is Debian box cut-off from outside World unable to connect to Internet disregarding connection to ISP made.

That was my thread. It is very strange after executing

# chattr = /etc/resolv.conf

the file 'resolv.conf' can be edited. But it changed back to its original content before edition if issuing

# pon dsl-provider

I tried several days without solution.

B.R.
satimis