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[ale] Internet Connection



ALE, 03-12-02 1407
Ok, I have tried the following 10 things (per advice from this list), and my 
Internet connection still does not work. Is there a way that I can remove 
-everything- related to networking and internet connection and reinstall the 
rpms from the CD? Normally, when I have a problem like this I do a re-install 
of the entire OS, but I am hoping that if I learn to fix this problem, then I 
will have to do less re-installs in the future and save time on computer 
upkeep. 

1. [root at tb1200 root]# ipchains -F 
ipchains: Incompatible with this kernel

2. [root at tb10 root]# netstat -nr
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
192.168.123.254 0.0.0.0         255.255.255.255 UH       40 0          0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U        40 0          0 eth0
127.0.0.0       0.0.0.0         255.0.0.0       U        40 0          0 lo
0.0.0.0         192.168.123.254 0.0.0.0         UG       40 0          0 eth0

3. [root at tb10 root]# ping 216.239.51.101
PING 216.239.51.101 (216.239.51.101) from 192.168.1.130 : 56(84) bytes of 
data.
--- 216.239.51.101 ping statistics ---
9 packets transmitted, 0 packets received, 100% packet loss
You have new mail in /var/spool/mail/root
[root at tb1200 root]# 

4. Check and see what your /etc/resolv.conf looks like to make sure it isn't 
looking for a nameserver that isn't there.
resolv.conf contained no text

5. [root at tb10 root]# rpm -qa ipch*
ipchains-1.3.10-10

6. [root at tb10 root]# rpm -e ipchains-1.3.10-10
error: removing these packages would break dependencies:
	ipchains is needed by lokkit-0.50-6
	ipchains is needed by firewall-config-0.95-4
	ipchains is needed by gnome-lokkit-0.50-6

7. [root at tb10 root]# rpm -e ipchains-1.3.10-10 lokkit-0.50-6 
firewall-config.0.95
-4 gnome-lokkit-.50-6
error: package lokkit-0.50-6 is not installed
error: package firewall-config.0.95-4 is not installed
error: package gnome-lokkit-.50-6 is not installed

8. [root at tb10 root]# /etc/rc.d/init.d/network stop && 
/etc/rc.d/init.d/ipchains stop \
> && modprobe -r ipchains && /etc/rc.d/init.d/iptables start && iptables -L -n
Shutting down interface eth0:                              [  OK  ]
bash: /etc/rc.d/init.d/ipchains: No such file or directory
[root at tb1200 root]# 

9.[root at tb10 root]# /etc/rc.d/init.d/network start
Setting network parameters:                                [  OK  ]
Bringing up interface lo:                                  [  OK  ]
Bringing up interface eth0:                                [  OK  ]
[root at tb1200 root]# ping 216.239.51.101
PING 216.239.51.101 (216.239.51.101) from 192.168.1.130 : 56(84) bytes of 
data.

--- 216.239.51.101 ping statistics ---
23 packets transmitted, 0 packets received, 100% packet loss
[root at tb1200 root]# 

10. Added the following to /etc/resolv.conf I decided to make the file like 
the computer that works, however, this didn't work either after starting and 
stopping /init.d/network and even rebooting.
/etc/resolv.conf file:
domain home.here
nameserver 66.56.65.7
nameserver 66.56.65.8
search home.here



RE: [ale] Installfest Success / Internet Connection
From: "Adrin" <haswes at mindspring.com>
To: <x3 at changinglinks.com>
Date: Tue, 12 Mar 2002 08:13:45 -0500
 
I am an amateur, but I think you last 2 ipchain rules are
stopping the Internet surfing.    I think you can do a
ipchains -F  and clear those rules.  Which is almost as good
as it being removed.   Personally I have been using
Iptables.

Adrin

RE: [ale] Installfest Success / Internet Connection
From: "Adrin" <haswes at mindspring.com>
To: <x3 at changinglinks.com>
Date: Tue, 12 Mar 2002 08:15:51 -0500
 
Opps forgot something

Before you say that your internet connection doesn't work.
Try pinging a known address.   Also try nslookup or dig.

If you do    and ip route show you can see
your default gateway.

Adrin

Re: [ale] Installfest Success / Internet Connection
From: Mike Still <StillWaxin at Yahoo.com>
 To: x3 at ChangingLINKS.com
 Date: 12 Mar 2002 08:15:19 -0500
 
You sure this isn't a name service problem?  Can you ping an IP address
out on the internet?  Check and see what your /etc/resolv.conf looks
like to make sure it isn't looking for a nameserver that isn't there.

An IP address to try and ping would be www.google.com (216.239.51.101).

RE: [ale] Installfest Success / Internet Connection
From: "Chris Farris" <chrisf at primeharbor.com>
 To: <x3 at ChangingLINKS.com>
 Date: Tue, 12 Mar 2002 08:15:03 -0500
 
Each one of those lines that begins w/ ACCEPT or REJECT is a firewall
rule.

Dump them with "ipchains -F" and see if your network works.....

Then go out and get a book on firewalls and reimplement it correctly, or
do without a firewall, but I don't recommend that.

Chris

--
Chris Farris
Sr. Consultant
PrimeHarbor Technologies 
http://www.primeharbor.com
chrisf at primeharbor.com


Re: [ale] Installfest Success / Internet Connection
From: Keith Hopkins <hne at hopnet.net>
To: x3 at changinglinks.com
Cc: ale at ale.org
Date: Tue, 12 Mar 2002 18:45:59 +0900

I think you'll have to actually reboot (gasp!) to make the kernel quit using 
ipchains.  make sure your startup scripts don't try to initialize ipchains 
again on boot.

does the rpm -e actually remove anything?


shm is a shared memory device
proc is ... proc ... reports live info from the kernel about different parts 
of your computer
pts is for ttys

huh? What does DVD have to do with MIDI?
proc probably gets involved in both.  shm might get involved in DVD.  I don't 
think pts would involve either.
-- 
Lost in Tokyo,
   Keith
     Jack of All Trades, Anarchist

[ale] Installfest Success / Internet Connection
From: "ChangingLINKS.com" <ChangingLINKS.com at bigfoot.com>
To: ale at ale.org
Date: Fri, 12 Mar 2010 03:33:13 -0500
 
I ran this:
/etc/rc.d/init.d/network stop && /etc/rc.d/init.d/ipchains stop \
&& modprobe -r ipchains && /etc/rc.d/init.d/iptables start && iptables -L -n

rpm -e ipchains

and now I get this:

[root at tb1200 root]# ipchains -L -n
Chain input (policy ACCEPT):
target     prot opt     source                destination           ports
ACCEPT     tcp  -y----  0.0.0.0/0            0.0.0.0/0             * ->   22
ACCEPT     udp  ------  0.0.0.0/0            0.0.0.0/0             67:68 ->   
67
:68
ACCEPT     udp  ------  0.0.0.0/0            0.0.0.0/0             67:68 ->   
67
:68
ACCEPT     all  ------  0.0.0.0/0            0.0.0.0/0             n/a
REJECT     tcp  -y----  0.0.0.0/0            0.0.0.0/0             * ->   *
REJECT     udp  ------  0.0.0.0/0            0.0.0.0/0             * ->   *
Chain forward (policy ACCEPT):
Chain output (policy ACCEPT):

but my Internet connection still doesn't work. Lan card still pings itself 
okay, and the router but not anything else. Please help. Thanks in advance. 
By the way, I also noticed that I have three new directories mounted under 
disk managment.

/dev/shm        /proc   /dev/pts

/proc would not "unmount" either. Does anyone have a clue as to why there are 
new folders and such? Do these have to do with DVD playing of midi sequencers?
-- 

Re: [ale] Installfest Success / Internet Connection
From: "Jerry Z. Yu" <z.yu at ptek.com>
 To: <x3 at changinglinks.com>
 Cc: "'Atlanta Linux User Group (E-mail)'" <ale at ale.org>
 Date: Mon, 11 Mar 2002 16:46:16 -0500 (EST)
 
        conflicts with ipchains which is active by default?
        "ipchains -L -n"
        /etc/rc.d/init.d/network stop && /etc/rc.d/init.d/ipchains stop \
&& modprobe -r ipchains && /etc/rc.d/init.d/iptables start && iptables -L
-n
        if it works now, `rpm -e ipchains`

On Thu, 11 Mar 2010, ChangingLINKS.com wrote:

#I ran iptables -L -n as root on my daily use machine (that works) and my test
#drive, and got the exact same error message. I usually select "high" as the
#firewall setting during install because I found that if I don't my networked
#games (D3 UT) will not work right. (Thanx for your help the other day Chris,
#and your help now.)
-- 
Wishing you Happiness, Joy and Laughter,
Drew
http://www.ChangingLINKS.com

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