Fedora Networking :: F13 VPN / Network Conflicts - Cannot Browse Internet
Sep 20, 2010
I'm using VPNC to connect to a remote cisco network, however I cannot browse the internet after the tunnel establishes. I know this is a DNS issue, as I can ping external address by IP (e.g. google). I can also communicate through the VPN tunnel without trouble.
/etc/resolv.conf gets updated by the VPNC with the remote networks DNS Servers, but I still cannot connect to the internet. I even manually tried to add my local nameserver to the /etc/resolv.conf file, without luck.
Also, just as a side note, I can only establish the tunnel via the command line "vpnc" command. I'm using Fedora 13 with KDE, but knetworkmanager / networkmanager will not establish the tunnel, however I haven't really dug very deep as to why. I've just setup some vpnc config files for loading the various connections manually, as needed.
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Aug 5, 2009
A few days ago my wireless windows vista computer internet was running slow so i reset the modem. Then I went on the internet on my ubuntu machine machine and went to www.google.com and couldn't connect to the server so i tried linuxquestions and i couldn't connect but i could ping sites. My wired and wireless windows computers worked fine. So I called Comcast (my ISP) and said it was a router issue. So I looked online and it said to disable IPv6 on firefox so I did but that still didn't work.
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Jan 31, 2010
I have recently installed Fedora 12 on my pc but I am not able to browse the internet although the network icon shows the computer is connected.
I tried the dig command and got the following message:global options +cmd; connection timed out; servers could not be reached;
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Feb 13, 2009
From today, I am unable browse internet using Fedora 10. Before this, I was using net in F10 with no problem, F10 was automatically configuring for net settings. But now I cannot connect to internet in F10, but I can connect to internet using windows xp. I have ADSL modem which automatically connects to internet when it is switched on. When I press any site name in Firefox it won't display any thing (in status it shows done).
And even following command not works.
Code:
ping www.google.com
But following command works fine ( I know yum search for software in repo using internet). I wonder how this commend works, while I cannot browse web.
Code:
yum search player
(I am completely dependent on linux). One more thing before occurrence of this problem I had installed xmms, xmms-mp2 and xmms-skins. I don't think this created problem.
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Jun 19, 2009
I'm using FC10 on my box at work. It is behind an anthenticated proxy for internet connection. In Gnome, I configured the Network Proxy through the GUI, as my browsers too.
So I can browse internet pages, install packages thru Add/Remove Software GUI, but I cant do it in the command line, using yum install, for example. Then trying to figure it out, I saw that it cant reach the package mirrors. It isnt a DNS problem, I set the /etc/resolv.conf correctly, as the host command works correclty. I can ping the local pcs on the network too. Firewall is disabled. Below some simple tests:
[rtovo@davinci ~]$ ping mirrors.fedoraproject.org
connect: Network is unreachable
[rtovo@davinci ~]$ host mirrors.fedoraproject.org
mirrors.fedoraproject.org is an alias for wildcard.fedoraproject.org.
[Code].....
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Nov 8, 2010
A couple of days ago I Obtained a spare computer and installed fedora 14 on it, just to try it out. I only have experience with microsoft windows so I'm new to this system. The OS seems to work fine but I can't browse the internet with firefox. I'm using a speedtouch 546 v6 modem with adsl(wired). The network manager indicates that the wired connection "auto eth1" is active. The previous OS was windows xp. I was able to browse the internet whit this OS. I removed it because it was crashing all the time (illegal version).
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Apr 5, 2011
my wvdial.conf file content is:
[Dialer Defaults]
Modem=/dev/ttyACM0
Baud=460800
[code]....
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Aug 16, 2009
I installed centos 5.3 x86 at vrtualbox on windows 7 x64 as host. The ping answers "network is unreachable", ifconfig has an ip "192,168,51,100". At control panel, I seleted intel PRO/1000MT Desktop Host only. Is this centos's problem?
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Mar 30, 2011
I'm not able to connect to my university's internet facilities under openSUSE 11.4. I have been able to connect in the past and I am still able to connect in Windows 7.When I try to connect to the university WiFi, a valid IP address is assigned to me and the gateway address appears to be correct, so I don't see a problem in the DHCP negotations. Same with my university's Ethernet: I get a valid IP address, but I can't connect to the internet.When I browse to any site with Chromium/Chrome/ Firefox/lynx/curl, the page is stuck at "Sending request". I have tried disabling my firewall - that didn't solve anything.I don't know what else I can try and the campus' network administrators are puzzled. How can I resolve my issue?
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Mar 24, 2011
After restoring from a hardware failure, I cannot get bridging to work again. I reinstalled the host version 5.5, and copied the .img file back onto the rebuilt machine. I also had the network scripts and iptables backed up. Through virt-manager I re-attached the virtual machine, and when I boot it, I get a MAC address conflict on the vm's eth0; "Device eth0 has a different MAC address than expected". The vm had a static ip address.
[root@trngvh ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
HWADDR=00:24:81:E4:FC:02
[code]....
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Oct 14, 2010
I have installed ubuntu a few times in the past but if I've had to get messy with the command line I bailed. So given that I wanted to set up a home server/media center, I tried win server, but given research had told me that it is easier to accomplish all the features I wanted with Linux I decided the time had come to really see what I'd been missing out on. So what I am looking to accomplish is a full lamp stack, xbmc, samba, mail server, VMWare server, rtorrent, ftp, an probably a few others I have forgot because I can't get to my check list right now. Settled on ubuntu 10.10, had installed it a couple of times while it was still in beta, just to get a feel for it and get everything working so that when it was released I could do a fresh install knowing how to configure everything.
So on Sunday the time came. Everything was going fine until last night, I was installing roundtable webmail and all I came to download something and FireFox can't display any web pages, postfix can't deliver mail. The server can ping local machines but not google.com or another internet site, I can ssh into it an get a remote desktop session via various methods, both either over the local network, or internet. The website is getting served both locally or internet. I just cant seem to make any outbound connections to the outside world.
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Sep 20, 2010
Running Ubuntu 9.10.
I'm connecting to a network via a Belkin F7D1101. The adapter appears to be working fine, as I can see various wireless networks available and I am able to connect to my personal wireless network. The problem is that even though I am connected and have a valid IP, I am unable to browse the Internet. I can't even ping the router!
I initially thought it may be an issue with WPA, but I have installed wpa-supplicant and as a means of testing, I turned off WPA on the router, and the issue still stands.
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Oct 20, 2010
I just installed a fresh copy of Ubuntu 10.10 on a HP DV2500 laptop. Everything installed as expected but I am having some wireless issues I was hoping somebody could assist me with. I am able to connect to my network via wireless with no issues. However, when I attempt to browse the internet it will not connect to any pages. Obviously when I connect it via CAT 5 all works as expected. Any ideas on how to solve my wireless issues?
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Sep 24, 2010
i have installed Linux i.e ubuntu 10.04 on my PC in which i have installed pptp client and able to connect it successfully but problem is that it unable to browse internet. in windows it works fine.
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Feb 13, 2009
When the dsl modem connected to net I cant browse pages through my fedora9 in my desktop. I never had the same prob before I used it a hour ago now it is not working. The connection established symbol comes and the ip addresses are assigned by dhcp and the connection is eth0 and I can use the same in windows xp so the router and internet connection have no prob. I cant ping through fedora and I can ping my own IP address, I can access my router only the browsing have problem my browser is firefox.
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Jun 14, 2010
i have the following ip assignments
fedora (iptables)
eth0 -private :192.168.1.1
eth1 -public : 186.117.50.6
squid proxy
192.168.1.10:3128
my clients range
192.168.2.0/24
how can i make my clients to browse internet only from proxy server my network is NAT 'ed. Please specify a iptable rule to allow internet access for my clients to browse ONLY if they come through proxy server.
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Mar 2, 2010
Ubuntu 9.10 now, before 9.04 was installed. On both versions I was unable to browse windows network - when I visit corresponding icon in nautilus, I see error message:
??????-???? -- ???????????? ??????.png
Looks like some service was missed at startup and not running.
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May 23, 2010
I cannot browse the network from Ubuntu, but I can see the ubuntu machines from the windows including file and printing.
Nautilus gives the following error:
Could not display "network:///".
Nautilus cannot handle "network" locations.
Workgroup names all set the same
Sharing allowed on all machines
I have read all of the postings on this I think and have not been able to implement a solution.
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Jan 21, 2010
I know this is not a win-doze forum but i always ask my questions here so here goes.I am having what appears to be a DNS problem on a friends laptop. He is running windows XP. I CAN connect to networks and even ping websites but i CANNOT browse in Internet Explorer or FIrefox.
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Jul 6, 2011
I hope someone can help me as I am new to Linux and Ubuntu. I am running Ubuntu 11.04 and am trying to get VPN working properly with the pptp protocol. It is connecting but I cant seem to view folders or start a RDP session. I have tried this out with a Windows and a Linux machine and both work. The Linux machine was running Mint 10, in the vpn configuration I had set the gateway, user and pass, then in advanced mschap and mschapv2 were selected as well as mppe, allow bsd, allow deflate, and use tcp header. These settings work fine with Mint but its not working for me using Ubuntu. I did try to ping, sometimes it works sometimes it wont.
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Dec 11, 2010
if I click on Network in the side bar I get Could not display "network:///" Nautilus cannot handle "network" locations.so how do I browse the "samba" network? why doesn't this work out of the box?
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Jul 4, 2011
I just installed FC15 from scratch, and everything seems to be working OK, except that I cannot view other computers on my local network. I didn't have any problems when I was running FC13.I am able to get on the internet, and view the website I configured on this machine, but anything "network" related I cannot see.But now when I open Network, I am presented with MYGROUP, WORKGROUP, and my domain name (which is my actual "workgroup" as I don't have a domain). I cannot get to any of them - get the same timeout error as above.
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Mar 29, 2010
I noticed tonight when I go to Places, Network, it will bring up an icon for Windows Network, and I can drill down to my Windows box. But I can't see the other Linux box (a laptop running Kubuntu), and the same behavior occurs on the laptop when trying to view the Linux desktop. The laptop is connected wirelessly, if that makes a difference. Each box can ping the others, but I don't yet know how to browse one Linux box from the other Linux box.
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Dec 17, 2010
I have been using Hardy for about 3yrs now and using dialup to connect to the internet. I have a 64bit ASUS with a nVidia ethernet interface........I have just recently switched to cable broadband with a wired connection direct to the eth0 port. I have another computer running puppy linux in which the broadband works. hence this is how I am typing this now. I have connected my ubuntu machine to the cable and the network admin shows a wired connection but will not let me browse on the net with any browser. Not really sure how I got puppy to find it, but it did.
I have used the network manager on both machines with one connecting and the other not. I know there a newer ubuntu's out but I really do like Hardy and want to keep it, but without internet connection other than dialup it seems a bit lame. I am not above using command line options as I use wodim and wget all the time, so my question is.
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Dec 30, 2010
I have a home network with Ubuntu (3 PC) Windows (XP 3, 7 1 vista 1) and Lacie networked drive. I have successfully edited fstab to mount the lacie drive at startup on my main ubuntu PC and it works a treat. My problem is setting up the Unbutu PCs to browse the workgroup. This was working but now (since my last update of Unbutu I think) I get prompted for a password and no matter what I do it does not let me browse.
Now I have read a few things on Samba and do not have the time or ability to become a network engineer. All I want to do is is have on my Ubuntu the same browsing ability that seems to come out of the box in Windows.
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Jun 15, 2009
I've worked with Fedora 10 for quite a time, with no problems regarding network or internet.Now that I've upgraded to Fedora 11, nothing regarding networking works. I have a dual LAN nVidia controlled network card. I've tried every possible network setting (dhcp, local only, etc...) and also tried to connect 2 pc's via direct connection, all without a result.
When I activate dhcp (as I normally would do/did), fedora tries to connect (with this blue balls spinning next to the clock), but then after a while, I just says that the network doesn't connect (the little red cross over the network connection).If I try to enter the ip, gateway, etc... manually, it says that I'm connected, but I can't ping0find any other computer or router.
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Oct 16, 2009
2 days ago I did a fresh install of Fedora on my computer to be dual-booted with Linux Mint. The first time I did this install a few weeks ago, I did all of the updates, rebooted (internet still fine) and when I rebooted again, Fedora could no longer connect to the internet (but could still see the networks and ostensibly connect to them). I fixed it then by manually setting the BSSID/IP/DNS/etc.
And this happened again on the new install! This time it took out the internet connection in Mint too. I tried manually setting the connection settings, but that didn't even work for a while. So, last night, thinking that the install might be the problem, I reinstalled Fedora. This morning I finally got my internet to connect on Mint, but I'm concerned that if I do all of the updates on Fedora I'm just going to end up back at square one with zero internet connection.
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Sep 25, 2010
I just installed Fedora 13 64bit Gnome, but I can't connect to the internet for some odd reason.
If you look at the image below:
I have marked the network icon, but on my desktop I don't have that icon for some reason...
Since I'm new @ Linux(Picking it up again) I went to the services and checked 2 services:
The network manager service was running but the status said: This service is dead.
And the network service was also running but status was: The status of this service is unknown.
I also went to the Administration menu and checked Network, the first tab showed no devices, but when I went to the hardware tab it did show my card.
I also don't believe that this is hardware problem since the card worked just fine under Fedora 9 or 10(Don't remember).
So if anyone got some solutions for me it would be great...
Some related hardware info:
lsusb
Code:
Code:
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Jan 31, 2011
How to make my fedora 8 be able to connect to the internet by using wireless network ?
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May 14, 2011
I am new with IP tables stuff and i have a problem....i have a pc Contain a fedora OS and i want to make a small network (4 PCs Contain XP OS) and using the pc of fedora OS as a firewall i want to Prevent the ping (i think it called(ICMP)) in the privat network and prevent one of the PCs from Browsing internet(prevent port 80 and 81 as i think) and i still don't know how to make the internet go Through the firewall to the private network...
Note: WAN = eth0
LAN = eth1
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