Fedora Networking :: Cisco VPN Connection - How To Force Browser
May 9, 2009
Just wanted to ask a small question... I've set up a VPN connection to my university and i installed and configured everything ok, cause I can connect without any problems...
Now that I'm connected I want my browser to run through the VPN tunnel created by the connection so i can access certain sites that are else inaccessible, but how do i force my browser (I'm using firefox atm) to do that?
When I'm on MAC of Windows OS, as soon as i connect with a VPN, all connection run through them. Fedora seems to ignore the VPN connection and just continues to use my home-network to connect to the internet.
So the basic question is: how do i use the VPN connection.
Iuse FC10, kernel 2.6.27.21-170.2.56.fc10.i686, fully updated system
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Jan 12, 2011
I am using ubuntu 10.10 and facing problem with cisco VPN connection. VPN connection is getting successful but not able to connect to destination servers.I also tried to add default gw to the the IP which is assigned to my VPN connection but still access to VPN machines not working.
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Dec 27, 2009
I have a very strange problem with Fedora 12 and my wireless Broadcom 4311 card.After the installation of Fedora 12 the wireless card was visible but not activated. I did an extensive search in Internet and finally I got everything done. The card was visible and activated. I found my home network; the strength of the signal was nearly 100%.The problem is that although the card is visible and activated my browser is not working well. I can say that it is not working at all. Even now I am using other computer to write this message because Firefox cannot load any web page at all.
The strange part of the problem comes with the fact that when I open terminal window and when I am using yum everything looks OK. The speed is very low though.Does anybody have some ideas about the problem and its solution?When I use Windows on the very same computer everything is fine, the Internet speed is close to the maximum limits of my provider's speed which is 10 mbps.
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Aug 23, 2010
I installed Cisco Anyconnect VPN client from the university website, to connect to the VNP. On Windows Vista everything worked fine without problem, while on Kubuntu 10.04 the installation has been OK, but when the client connects, my internet connection drops, so I'm not able to do anything!How should I fix this?I'm currently using an adsl, connecting through pppoeconf.
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May 29, 2010
is there a way to force a VPN connection so that non-encrypted traffic is blocked. the aim is to set up a box that will use only VPN connections and block any traffic that is not connected.
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Mar 11, 2009
Is using Cisco AnyConnect for ssl remote access, i loged on on my company vpn.abcd.com , using a username and a password, requested a certificate which was added to Firefox certificates, then installed the AnyConnect client. now i can just start the AnyConnect client to connect without the need to access to my company vpn.abcd.comWhat i want to do is to add a vpn connection to the network manager so its always connected once i powered my computer on, and dont need to start the AnyConnect client to get connected each time.
There were three options Password/SecurID, Certificate(TLS), Certificate(TLS) with TPM.I tried the first one, got a message "Unknown certificate from VPN server "vpn.abcd.com". Do you want to accept it?" , accepted entered my password ---> login failedThe other two options need a certificate files which i dont know how to get, is it the firefoxcertificate, or what ?.
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Jun 18, 2009
Probably there is bug in kernel used FC11 [url] This bug freeze computer after ping or other data sending over VPN connection.
Is there any chance to backport this patch to kernel in FC11?
More about this in topic:[url]
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Jun 30, 2010
cisco vpn client 4.8.5 I have no problem to connect it, but got disconnected every minute after I opened a terminal and ssh to company's server. Not sure what's causing the problem. There's no problem to connect to windows.
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Mar 7, 2011
Problem with fedora 13, I am no longer able set up a virtual private network using vpn. The following error message appers:
"/usr/sbin/vpnc: no response from target"
No problem when connecting with ubuntu or windows.
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Jun 1, 2010
I've been stalking the forums for the past few days trying various fixes to no avail. I'm sorry for more clutter of this issue.
Here's what I have:
emachines e725 laptop, dual core T4400 Pentium, 64bit, running Windows 7 and just installed Ubuntu 10.04.
My ethernet port works for cat internet but wireless does not. My wireless appears but when I open browser no connection.
Here is my ifconfig:
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Apr 20, 2009
I need to install a program by using the address http://255.255.255.255. However, when I type this address in my browser, I get the following error: "Failed to connect. Firefox can't establish a connection to the server at 255.255.255.255. Though the site seems valid, the browser was unable to establish a connection." Is there an easy way to put this site into the air?
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May 1, 2010
I want to force my IP address to 192.169.0.99but my router always allocates me 192.168.0.2I have attached a screen showing my settings.I'm using the broadcom wireless card to connect to the router?Any thoughts, I have tried to change the setting with and without the network manager.
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Feb 2, 2010
In fc10 & fc11 everything worked well with vpnc.
With fc12 vpnc starts allows me to connect to my work site then everything works fine til I try and start a remote desktop connections to a windows client use tsclient. All I get is a blackscreen and my laptop is hung.
At work without the vpnc it works fine if I start the vpnc from nm it performs the exact same way and I get the blackscreen.
I have disable selinux.I also disabled the firewall
there was another gentlemen on here with the same issue.
The only way out is a hard reboot and there are no messages in the logs that say there were any problems.
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Jun 14, 2010
Is there any setting to connect ssh server using default profile.
for example if I run
ssh user@ssh_server_ip '/bin/bash --norc --noprofile'
it will skip user's login profile(/etc/profile,/etc/bashrc,~/.bashrc,~/.bash_profile)
Can i do some settings in ssh server that deny profile skipping by client.
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Sep 14, 2010
How can we force an application which is using a direct Internet connection inherently to connect through a proxy server connection. Like redirecting the direct traffic generated to a proxy server.
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Jun 21, 2009
I have installed Fedora 11 recently. I want to share my Internet connection.
I have e LAN connection eth0 which is connected to internet.
I have a Wireless connection wlan0.
I want to share my internet connection with wireless connection.
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Feb 28, 2011
I use VPNC to connect to a Cisco VPN. I am able to connect, but some issues exist when I use SSH. For example, I login through SSH to a computer in the VPN and I execute ls => it works. If I execute ls -la => connection stalls. I think it stalls every time it is supposed to return more content (top, ls /etc).
If I do scp from my end to server => works. If I do scp from server to my end => connection stalls.
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May 7, 2011
I'm trying to install the Cisco VPN client on Ubuntu 11.04, kernel version 2.6.38-8 generic-pae. I need a step by step process since I am an absolute beginner with Ubuntu and this is my first install on the operating system. I have already tried the network manager but connection always fails. I have also tried the website [URL] but this always fails, seems this was made for earlier versions of Ubuntu and earlier kernel versions.
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Mar 31, 2010
I did a forum search and too much came up that was not the answer I was looking for. I have only Linux devices at work and I was wondering how do Linux Administrators connect to Cisco devices via serial console cable. Cisco recommends 'Hyper Terminal' which was a Windows add-on applications licensed to XP. I think Vista and 7 no longer have the license to use Hyper Terminal. Regardless I don't have any versions of Windows and would like to use a serial cable from Com port 1 to the console port on the device. I can't use SSH since some devices don't support SSH and or I have to do a password recovery.
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Feb 11, 2010
Put all Cisco drivers and firmware for wireless in a new ubuntu 10.04. I love ubuntu and I have a big problem with a mini pci wireless Cisco Airo MPI 350...
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Dec 3, 2010
When I try to connect to my company's VPN using the Cisco VPN client, I get a kernel panic. Please don't suggest I should Cisco's client, it only works with Kernels older than 2.6.24 (I have 2.6.35).
So I use vpnc. The error message is:
Quote:
$ sudo vpnc
[sudo] password for phirt:
Enter password for user@group@fubar.net:
received notice of type (ISAKMP_N_NO_PROPOSAL_CHOSEN)(14), giving up
vpnc: quick mode response rejected: (ISAKMP_N_INVALID_MESSAGE_ID)(9)
this means the concentrator did not like what we had to offer.
Possible reasons are:
[Code]...
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Jan 21, 2011
When I connect to my company's VPN (it's a Cisco), it connects just fine and displays the broadcast message, but once connected I can't ping anything or ssh anywhere. Not on the private network, not on the Internet [URL], nothing. I can still browse the web without difficulties when connected to the VPN, but no ssh or ping. With ping, it properly resolves the host name, but I get 100% packet loss.
Once I disconnect from the VPN, a ping of [URL] works exactly as expected.
I don't have any firewalls set up on this host that I'm aware of (unless something is installed and configured by default).
I'm using Ubuntu 10.10, amd64 build.
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Jun 2, 2011
I can't install/configure this router. I have my PC connected to it via ethernet cable, and Ubuntu sees the connection, but I can't connect to the internet and I can't access 192.168.1.1. I've searched the forum, and I know there are a lot of threads on this, but neither were helpful and since the CD has only win drivers, I couldn't install anything.
I can access the internet through a phone using WiFi though, so theoretically everything is working, I just can't use it with the PC.
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Jul 8, 2011
I have just installed Ubuntu 11.04 and the Cisco VPN client with :
apt-get install network-manager-vpnc
I have imported the PCF provided by my employer into the GUI. The group password also seems ok, when I login to the VPN server, I am provided with the "VPN Login message". (On Windoze, I get an Ok/Cancel popup with the same message). In Ubuntu, I don't get to click "Ok" but it looks like I'm connected properly. The /var/log/syslog file contains numerous static routes added, 30 or so. After the Login Message, I see the couple of line:
Jul 8 12:40:51 ubuntu02 vpnc[1613]: can't open pidfile /var/run/vpnc/pid for writing
Jul 8 12:40:52 ubuntu02 NetworkManager[630]: <info> VPN connection 'VPN to my network' (IP Config Get) complete.
I get an IP from the external network correctly as well:
tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:172.16.10.170 P-t-P:172.16.10.170 Mask:255.255.255.0
However, I cannot ping any of the machine on the remote network. None of the network services seems to be accessible. Why the machines on the VPN are not accessible?
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Jul 20, 2011
I'm using Ubuntu 11.04. I'm trying to get a Cisco Valet Connector AM10 to work. It's one of those ZeroCD USB devices that is both storage and modem. Using this link:
[URL]
I filled out usb_modeswitch like this:
Code:
# Configuration for the usb_modeswitch package, a mode switching tool for
# USB devices providing multiple states or modes
#
[code]....
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Jul 27, 2011
I have router based on CentOS system with DHCP server. In one eth I have fiber converter attached in second one I have Cisco Catalyst switch connected. From the switch rest of ports are used to provide internet traffic to rest of network. I wanted to divide each segment of network (based on switch ports) that they don't see each other (it'll be good for me if someone will connect his wireless router to the network not to WAN by LAN port and start be a second DHCP server). So my network configuration:
CentOS:
DHCP with range 10.0.0.1/8 network
Switch ports
1 - CentOS DHCP
2 - second server
[code]....
Parts of networks I've assigned IPs 10.network_part.subnet_part.client_ip so I have addresses for clients: 10.1.1.2/8, 10.2.1.3/8, 10.3.0.4/8, etc ...
I've decided to give each port it's own VLAN like below:
Port / VLAN
1 / trunk
[code]....
I've configured switch ports by using:
(config)# interface Gi0/Port_Number
(config-if)# switchport access vlan VLAN_NUMBER
[code]....
And after doing that whole network stopped working. I think that cisco part of configuration is OK (at least customer ports, I don't know if there is any additional info needed for trunk port). On CentOS router I didn't setup anything regarding VLANs ...
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Mar 1, 2011
I was given a Cisco IP Phone (model 7962) and CyberGuard Firewall/VPN (model SG300) from my company. So that I can work from home. But I've been struggling for the past couple of days trying to get it to work. The phone successfully configures it's ip; but it hangs on "Registering".
The setup is such:Cisco phone plugs into the CyberGuard and gets assigned a private IP address; 192.168.48.34; from the CyberGuard.
CyberGuard plugs into my Slackware (12.1) box and gets assigned a private IP address; 10.0.0.191; from the dhcpd server on my Slackware box.
Slackware box then masquerades that 10.0.0.191 into my static public address on the internet.
Port 1723 (PPTP) is open in the iptables firewall on my Slackware box. I've also tried disabling the firewall (ie opening all ports) on my Slackware box.
On my Slackware box; via iptraf; I can see traffic between my Slackware box, the CyberGuard, and my company's server.
Traffic such as:
Code:
And on the company's server; the following is observed:
Code:
My company just keeps saying "open port 1723 + 47". But as I stated above; I have opened them. And Internet searches have revealed absolutely nothing. At this point; I am completely lost as to what may be wrong.
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Feb 4, 2010
I have got different clients with different SOHO routers on sites (Netgear , Linksys, SnapGear,etc.) All those clients use VPN IPSec . As you know that those routers has many entries :
Tunnel name
key lifetime
Preshared Secret
Phase 1 proposal
Phase 2 Proposal etc.
I am trying to familiarize myself to use different VPN clients (a piece of software ), that will be installed on clients, laptops to access their work network from home. I came across a problem with Cisco VPN client V5.0.06 I could not find all the above entries. I know Cisco devices are proprietary, does that mean cisco vpn client is not compatible with those router?
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May 31, 2011
I bought a Cisco 1841 to study for a cisco certs. In iptables terms filtered packets are -j REJECT instead of -j DROP. To make things worse telnet and ping replies are on by default.
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May 24, 2011
Before going to vlan topic I have basic question. I have a gateway as 10.209.108.1/22 if I am connecting gateway to cisco 3750 switch port 1 can I use remaining ports to connect via above gateway? I mean suppose I am connecting NIC to port 2 and IP 10.209.111.200 can i ping 10.209.108.1? Is this valid without configuring any vlan or anything on switch?
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