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**oshunluvr** · Jan 08, 2011, 04:50 PM

Re: have internet access, but cant ping router.

Not really enough to go on here.

What's your network setup?
What have you done to configure samba?

**chagmaier** · Jan 08, 2011, 07:26 PM

Re: have internet access, but cant ping router.

network setup is modem -> wireless router -> wired kubuntu pc -> 2 wifi laptops (xp, mac os). modem and router both have firewalls, both active.
modem 192.168.1.1
router 192.168.2.1
kubuntu 192.168.2.2
xp 192.168.2.4
mac 192.168.2.3

samba is

Code:

[global]
  ; General server settings
  netbios name = chris-Dimension-4600i
  server string =
  workgroup = MSHOME
  announce version = 5.0
  socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE SO_RCVBUF=8192 SO_SNDBUF=8192

  passdb backend = tdbsam
  security = user
  null passwords = true
  username map = /etc/samba/smbusers
  name resolve order = hosts wins bcast

  wins support = 

  printing = CUPS
  printcap name = CUPS

  syslog = 1
  syslog only = yes


[print$]
  path = /var/lib/samba/printers
  browseable = yes
  guest ok = yes
  read only = yes
  write list = root
  create mask = 0664
  directory mask = 0775

[printers]
  path = /tmp
  printable = yes
  guest ok = yes
  browseable = no


[MyFiles]
  path = /home/chris
  browseable = yes
  read only = no
  guest ok = no
  create mask = 0644
  directory mask = 0755
  force user = chris
  force group = chris

installed samba from apt-get. no idea if samba is configured correctly, since i cant map to it via xp with \\192.168.2.2\MyFiles, or \\chris-Dimension-4600i\MyFiles

**chagmaier** · Jan 09, 2011, 05:46 AM

Re: have internet access, but cant ping router.

i HAD firestarter installed. the icon was not in the tray, so i assumed it wasnt running, but when i restarted networking it said it was starting firestarter. i thought maybe the firewall was blocking, so i uninstalled firestarter. i used adept to install/uninstall.

also, i installed wicd, via adept, and moved network manager to the bottom of the list in information sources in the system settings. obviously i put wicd to the top. i dont have a need for wireless networking on this box, but wicd seemed a better choice than network manager. stopped/started networking after these changes and nothing different. also, samba is stopped.

anywhere to look next?

also, i thought i should add...

after installing kubuntu and installing every update that was recommended (by kubuntu), installing/uninstalling various programs/games...kubuntu started acting poorly. programs would crash, not respond, not work correctly, etc. i never could get samba working on that install...i gave up. lol

i reinstalled kubuntu 10.10 2 days ago. opted not to install updates. i installed just the basics i needed to get along. (was i wrong in not installing updates? maybe a dumb question coming from a long time WINDOZE user) basics...firefox, shockwave, java, gimp, kde games, kde screensavers...

i cannot ping anything except for myself.

**oshunluvr** · Jan 09, 2011, 03:22 PM

Re: have internet access, but cant ping router.

Just so we're all clear on what you're trying to do:
The desktop will host files and printer(s) and you want to share them with XP and MAC.
The desktop is hard-wired to your router and the other 'puters will use wireless.

At this point you have multiple issues - linux box networking setup needs fixing first, THEN we can work on samba. If your linux box is not connecting to the other computers viz the router, they won;t be able to connect to samba.

First off - knetworkmanager conflicts with WICD and will screw with your network and needs to be removed/purged. Personally, unless you have a wireless connection, I wouldn't install WICD either. You really are better off manually configuring your network and leaving it be. You seem skilled enough to do that. I believe your interfaces file is fine, just un-install knetworkmanger (using purge option) and WICD and manually edit resolv.conf to point at your router. Of course - since you can't yet ping your router don't do it now!

I have had knetworkmanager fail to correctly route to my router. You can check your route by typing route -n in a terminal. You should see a line like this:

Code:

0.0.0.0     192.168.2.1   0.0.0.0     UG  100  0    0 eth0

If not, likely this is the source of this issue.

My next suspect is your double firewall setup. Not knowing your hardware - I'd start by disabling the router firewall so your internal network is freely available to all your computers. Once you're all configured and all your computers can talk to each other, you can re-enable your extra firewall if you wish and trouble shoot it then.

Other notes:
I see you have two NIC's in your desktop. I have had router/switch trouble if both cables are connected but not properly configured. Make sure eth1 is unplugged from the router for now.

If you're using cups to print with, the MAC can access the printer via the cups interface without samba.

There's a good samba walk though on this forum somewhere. I use a dedicated 10.04 ubuntu server and I attached my smb.conf file for your viewing pleasure.

Attached Files

smb.conf.txt (1.5 KB, 67 views)

**chagmaier** · Jan 09, 2011, 04:38 PM

Re: have internet access, but cant ping router.

thanks a bunch oshunluvr. i will try these suggestions as soon as i can.

Code:

chris@chris-Dimension-4600i:~$ route -n
Kernel IP routing table
Destination   Gateway     Genmask     Flags Metric Ref  Use Iface
192.168.2.0   0.0.0.0     255.255.255.0  U   0   0    0 eth0
169.254.0.0   0.0.0.0     255.255.0.0   U   1000  0    0 eth0
0.0.0.0     192.168.2.1   0.0.0.0     UG  100  0    0 eth0

the last line proves that resolv.conf is fine?

**oshunluvr** · Jan 09, 2011, 08:27 PM

Re: have internet access, but cant ping router.

It shows your route is fine. You should be able to ping the router since it's listed so I'm leaning toward your firewall.

You can see if your other computers are visible try

nmap -v -sP 192.168.2.0/24

You should get a list of active IP's on your network. You might need to install nmap...

**chagmaier** · Jan 10, 2011, 05:35 AM

Re: have internet access, but cant ping router.

the routers firewall has been disabled, and nmap shows all current hosts correctly. xp laptop can ping the router, but this wired linux box still cannot.

have to go to work now, nothing else to report.

**chagmaier** · Jan 10, 2011, 05:22 PM

Re: have internet access, but cant ping router.

i uninstalled/purged network manager, and got rid of wicd. the ping works...with the firewall up. looks like im good to go.

thanks so much for the help! i may be back with samba questions...lol cross your fingers!

**oshunluvr** · Jan 10, 2011, 06:21 PM

Re: have internet access, but cant ping router.

Kool, that was easy... 8)

**GreyGeek** · Jan 11, 2011, 12:15 PM

Re: have internet access, but cant ping router.

I used to be able to use ping from my account but after I turned off ICMP echo in my router, to make my box unresponsive to pings and totally stealth, I discovered that to use ping I had to issue
sudo ping whatever.com

**Ole Juul** · Jan 12, 2011, 01:36 AM

Re: have internet access, but cant ping router.

Originally posted by GreyGeek

I used to be able to use ping from my account but after I turned off ICMP echo in my router, to make my box unresponsive to pings and totally stealth, I discovered that to use ping I had to issue
sudo ping whatever.com

I'm no expert, but wouldn't it make your presence more obvious if you dropped the pings rather than blend with the crowd by sending a "Destination Host Unreachable" response?

**kubicle** · Jan 12, 2011, 03:20 AM

Re: have internet access, but cant ping router.

Originally posted by GreyGeek

I used to be able to use ping from my account but after I turned off ICMP echo in my router, to make my box unresponsive to pings and totally stealth, I discovered that to use ping I had to issue
sudo ping whatever.com

That sounds rather strange..."sudoing" ping shouldn't affect the router?

Did you block ECHO Requests and/or ECHO Replies? From WAN and/or LAN?

I'm still baffled why sudoing ping would work and normal ping would not, and how the router would know the difference?

**Ole Juul** · Jan 12, 2011, 03:50 AM

Re: have internet access, but cant ping router.

I've come across systems where some commands didn't work as user. Ifconfig for sure, but I seem to recall ping as well. I guess that could make sense in some environments but that is on the computer end. Indeed how the router would interact with that is a mystery to me too. Anyway, we'll just have to wait for the big G to get back to us.

**kubicle** · Jan 12, 2011, 04:21 AM

Re: have internet access, but cant ping router.

Originally posted by Ole Juul

I've come across systems where some commands didn't work as user. Ifconfig for sure, but I seem to recall ping as well. I guess that could make sense in some environments but that is on the computer end.

That's certainly possible, for example, if ping does not have set-uid bit set (and therefore not running as root when called from a user account).

ls -la /bin/ping
-rwsr-xr-x 1 root root 34716 2010-11-15 10:08 /bin/ping

I was just mystified by how a change in the router settings would bring that about?

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have internet access, but cant ping router.

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