Fedora Networking :: Can't Access Internet With Web Addresses ?
Jul 7, 2010
I installed Fedora 13 on my laptop today after deleting a badly screwed up Windows XP partition. Everything installed smoothly even my Broadcom drivers but I can't seem to figure out how to get Firefox to access the web with a URL.
I can ping Google, and can get to it in Firefox if I use the IP address from the ping, but going to [url] in Firefox will give me an error message about not being able to find the server at the web address. I was also able to update from the terminal with yum update just fine. I've tried searching Google for some answers, and maybe I just can't phrase my query right, but I found nothing that I could use to try and fix my problem.
I've attached a HardInfo report which I hope could be useful if you need to know what my hardware is (an HP Pavilion zv5000 laptop).
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Feb 20, 2010
I have configured squid server and it is working fine. I want that only specific ip addresses in my LAN should be able to access internet and for that I have given these entries in access control lists in squid.conf file:
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443
acl Safe_ports port 80
acl Safe_ports port 21
acl Safe_ports port 443
acl Safe_ports port 70
acl Safe_ports port 210
acl Safe_ports port 1025-65535
acl Safe_ports port 280
acl Safe_ports port 488
acl Safe_ports port 591
acl Safe_ports port 777
acl CONNECT method CONNECT
acl QUERY urlpath_regex cgi-bin ?
acl apache rep_header Server ^Apache
acl our_networks src 192.168.0.181/255.255.255.0 192.168.0.182/255.255.255.0
And in http access I have given this:
http_access allow our_networks
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access deny all
In this I want that only 192.168.0.181 and .182 should be able to access internet but Now the problem is that all the IPs in the LAN like 192.168.0.20 are also able to access internet. What changes I need to do to allow access to specific IP addresses. I am not using any firewall or iptables entries and i am manually changing in the firefox at client side to access internet.
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Mar 8, 2010
My Linux gateway has multiple address to internet:
eth0 = 76.148.200.3
eth0:0 = 76.148.200.4
eth0:1 = 76.148.200.5
and it's own gateway which is 76.148.200.2 (probably not relevant) and I also have which is not internet, but local:
eth0:2 = 192.168.0.1 netmask 255.255.255.0
They all work fine and tested. Now I am sharing the internet through eth0 (76.148.200.3) to 192.168.0.1/24 and that's working fine. The script I use to do that is here...
Code:
#!/bin/sh
echo 1 >/proc/sys/net/ipv4/ip_forward
echo 1 >/proc/sys/net/ipv4/ip_dynaddr
iptables -t nat --flush
iptables -A FORWARD -i eth0 -d 192.168.0.1/24 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -s 192.168.0.1/24 -o eth0 -j ACCEPT
iptables -A FORWARD -j LOG
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
Now all I want to change in the script is to share it through 76.148.200.4 (eth0:1) instead of what is already sharing through 76.148.200.3 (eth0). I am sure this is easy but can't work it out and iptables doesn't accept 'aliases'. How I can do this by modifying this script?
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Oct 17, 2010
I usually start up my Internet service by typing ./rc.inet1. While its connecting I usually see my routers ip address then I connect and I start browsing and everything is fine. A few times I noticed that instead of seeing the routers address it showed some other address and I could not get online. I try ./rc.inet1 stop and renew but still cannot connect, I reboot and I then see the router and I can connect. I am using slackware13, and opera10 browser.
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Aug 5, 2009
I have two nagging problems on one network which I do not have on another elsewhere, both using uptodate Debian servers. The server is on the private subnet behind a router/adsl modem. The symptoms of the one which does not work
1) Users cannot access their web site from lan. If they try, they get to the router web interface, same as if they entered http:10.0.0.138 which is the router's lan address.
2) Users cannot access smtp or pop3 service using the domain name, they can access it only using the servers LAN address.
I fear that I might have not set up the router properly because appart from that the two servers are almost identical but I do not know where I might have made an error.
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Mar 7, 2009
I have an valid account,and I used pppoe-setup to set the dial correctly.After the configuration,I typed "ifup ppp0",nothing wrong happens(no news is good news?).Then I typed "pppoe-status",it said I've connected to the internet . I opened firefox,updated my system through yum ,they all said I haven't connected to the network!!!I've formated my harddisk and reinstall my system,but the problem is still.
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Sep 4, 2009
I have installed fedora 11 64 bit on a new computer. I have no problems accessing the computers on my local network, but can not get past the gateway. The gateway is running windows XP with IP address 192.168.0.1 and is named "internet". When I boot the new computer in windows, there is no problem. Here is the output of some commands I saw in other posts with similar problems:
$ /sbin/ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:24:8C:7F:10:0C
inet addr:192.168.0.245 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::224:8cff:fe7f:100c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[Code]....
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Aug 14, 2010
I've installed Fedora 13 on a Toshiba Satellite A40 laptop, and am trying to get the wired ethernet connection to work. Network Manager says it is connected, and the connection details (DHCP assigned IP, gateway, dns servers) all seem correct. However, I cannot browse the internet. Checking for updates fails also. I have tried pinging various sites and the results are inconsistent - sometimes it works, sometimes it times out with "unknown host". [URL]... I've searched around for similar issues and tried disbaling ipv6 both in Fedora and Firefox, but this doesn't help either.
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Apr 29, 2011
After upgrading to F14 from F10, we seem to have access to the internet from our console, and no one is able to connect to server as well. We have static IP from comcast. And all the configurations on the eth0 looks fine. We are able to browse, if we set the server to dynamic ip. Also, we are able to connect another PC (laptop) with the static ip configuration, and browse fine. Read through many messages on this forum, cant get any clues,
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May 31, 2011
I have a work network of about 20 boxes most of which are running Windows 7 and one of them is a file server using linux and another is Windows server 2003. Now the local IP is distributed by the router, and no regulation of internet access is done by any of the servers.What I need to do is restrict internet access to select domains, which would probably need DHCP through linux(I think, not really sure), and I need something simple like a 'blabla.conf' file with the allowed websites that I can edit. need to know how to regulate IP addresses through the linux box (all details if possible, I never tried to do that before), and how to restrict internet access also through linux.
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Mar 12, 2009
when I try to connect to internet SELinux give my a preventing NetworkManager here is what its say:
Code:
Summary:
SELinux is preventing NetworkManager (NetworkManager_t) "getattr" to /dev/ppp
(ppp_device_t).
[Code]....
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Mar 16, 2009
I see from the netspeed applet that my computer is downloading stuff almost constantly. Not a whole lot, 8b - 700b per second while apparently doing nothing. Some of this is just responding to broadcasts from the router, but surely not all. I would like to be able to determine which programs are accessing the internet over that wireless card, with a view to cutting down on my bandwidth usage. Is there a program that can tell me which ones are doing what at a given time?
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May 8, 2009
I am building a CarPC which I'd like to have wireless internet access on. I have Verizon phone service so if there is a Verizon air card (not wireless card, an air card so I can have constant access without having to search for hot spots) that would work with Fedora 10 I would be very happy. I don't really know where to start and I can't find too much on Google, so I'm just looking for what options are available.
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Jun 16, 2009
Fedora 11 is completely unable to access the internet for some reason, and after some troubleshooting, I've determined the problem to my Motorola 2210 DSL modem. I know my connection is working fine, as it works perfectly in both Vista and 7. I've tried things such as grep 'Ethernet' /var/log/dmesg, filling in the information into the network settings manually, to no avail.
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Aug 7, 2010
Bridged successfully but cannot access the Internet.I installed VMware in my Fc13,and installed XP sp3 in the VMware.I can access the Internet in XP,I set the network as Bridged with Fc13,but Fc cannot open a page,but I ping google.com,it can display: Code: Pinging google.com [64.233.183.104] with 32 bytes of data:
then nothing.I still cannot access the Internet in my Fc13.
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Oct 4, 2010
I tried to preupgrade to f14 and cancel it after some time. Now, I am facing a problem that I cannot access internet from mobile broadband; but I can access net while i am connected via ethernet or wireless. I have cleared preupgrade files with
Quote: yum clean all; yum remove @preupgrade
$ uname -rs Linux 2.6.34.7-56.fc13.i686.PAE
It can detect my HUawei modem and creating an IP as well. But no Internet. Can you tell me the reason?
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Jul 30, 2011
I followed the instructions mentioned in this thread carefully [url] Despite this, I am unable to connect to the internet. It just says connecting and connecting, but it doesn't connect at all.
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Aug 15, 2010
I am coming from Windows XP Pro, on the same machine (and where I am writing this post from) so the internet clearly works on XP. On F13, the eth0 connection is activated and the drivers for the NIC chip were installed with the OS. The NIC is Intel Pro/100 VE. The problem that occurs is that the system updater (in GNOME) can access the internet, and installed a bunch of updates after installing the OS. I know it can get to the internet because the updates worked and in the System Monitor, I can see both uploading and downloading occurring during the updates. Now the problem is that when I open FF, I can't seem to get to pages, and I get the usual FF error (pic -- [URL]). However, I CAN get to [URL] as well as [URL] , but I cannot access several other subdomains on fedoraproject.org . I also cannot get to any other page online, ([URL] for example).
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Dec 25, 2010
I am using MTS datacard. I have usb_modeswitch installed and have configured the wvdial.conf file. When I do sudo wvdial cdma, the IPs and DNS addresses are also allocated but I still cant access internet.
Code:
dmesg | grep -e 'tty' -e 'modem'
is:
Code:
[ 0.000000] console [tty0] enabled
[ 11.098238] USB Serial support registered for GSM modem (1-port)
[ 11.098352] option 6-1:1.0: GSM modem (1-port) converter detected
[code]....
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Mar 1, 2009
I have a fedora 10 box with two network card on eth0 I have a pppoe connection to the internet, on second card eth1 I share my internet connection end I set up a samba server but I don't know if the settings are good. How to do this settings right to work fine, the ip are assigned by dhcp I don't use any static ip .When I try to browse the internet from the other computers some site's like {.com ; .org ; .info} are block, other site from {.ro} are working. Someone tell me something about turn off all my filters, but I don't know where to find this filter to turn it off. And when I use samba I can't have and internet access or vice versa. My network look like that:
Code:
eth0
|<--pppoe connection
|
MyComputer
(fedora 10)
|
eth1
|
switch
|
comp.1 comp.2
Win OS MacOS
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Dec 30, 2009
I have a wired lan at home with 2 XP boxes connecting to a router to a DSL modem. I want to network my laptop, running only fedora os, for file sharing, printing and internet access. I will be using the laptop probably exclusively for creating/maintaining a Drupal-based (LAMP) e-commerce site to replace our old one for our small family business.
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Dec 31, 2010
I managed to configure my W890i phone to get access to internet through an ubuntu-based computer. It's very easy to use the phone to give internet access to the computer, but the opposite is quite more tricky. For that I've done the following
----On the phone---
-Set the USB network option to "through computer", so that the phone uses the computer's internet connection and not the opposite.
-Decide and set "Shared Network" parameters: user, pasword and workgroup.
-In "conectivity-> internet connection" set "allow local network" to "yes"
----On Ubuntu 10.04---
-Install samba, samba-client, smbfs, smbclient, firestarter and dhcp3-server
-Configure Samba (System-> Administration-> Shared folders): same workgroup as in the phone, add new user (the phone), passwd this new user. In my case the user was called "w890i" and the password given was the same.
-Once the phone is connected to the computer through USB (then select "phone mode"), a new connection appears in NetworkManager: usb0.The aim is to create a shared network that gives internet access to this device. Edit the IPv4 parameters of this new connection, set them to Manual and give an IP adress (192.168.0.1) and a subnet mask (255.255.255.0); the rest of the fields are left empty.Connect this network.
-Set firestarter to use dhcp3: sudo ln -sf /etc/init.d/dhcp3-server /etc/init.d/dhcpd
-Launch firestarter and follow the wizard. Set "allow internet shared connection", choose the device for the primary internet access, and then the device for the shared network (usb0). Then change the settings for firestarter: activate DHCP for local network, set IP to the one we gave before (192.168.0.1).
-Open dhcp3-server config file sudo gedit /etc/default/dhcp3-server And set INTERFACES="usb0"
-Set the policies of firestarter: in incoming connections, allow connections from the IP adress given to the phone (192.168.0.1). Then add rules for the ports that need to be open for this connection. I opened HTTP, HTTPS, SMB, SMTP, POP3, IMAP, IMAPS, DHCP for all the connections in the local network.
-Apply policies and start the firewall.
------------
After all this, the phone can access the internet through the computer. Two problems appeared:
1. I couldn't get access to https sites, like webmails. The phone gave a "communication error". But then I tried with Opera instead of the browser built in the phone's firmware, and I could finally get to https sites.
2. I couldn't retrieve mail, neither POP nor IMAP nor IMAPS. I thought it was a firmware problem again, and I tried out several mobile phone email clients written in java, but none of them worked.
So this is at the moment the problem. If I connect from the phone to the internet directly through 3G, the email clients work for all my accounts. I don't think it's a firewall problem, because the ports are opened for this connection
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Jul 6, 2011
I connected my laptop running with Ubuntu 11 in the LAN but I couldn't access internet.But I could ping to the other computers connected in the LAN. I tried the same thing with windows 7 in the same laptop and I could access internet.
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Jul 29, 2009
I have connected my computer to network. Computers in network have dynamic ip address which is assigned by ADSL modem's DHCP. Besides this I want to have static IP address for same NIC. So is it possible to have both static and dynamic IP address for single NIC? If so how can I assign it using command and also in GUI?
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Jan 23, 2011
So what is the term used when your web site is getting spammed from many different ip addresses, hits are minutes apart?
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Aug 26, 2010
I have a linux box (fedora) with two ethernet cards eth1 and eth2. On eth1 I successfully configured a PPPOE internet connection. Such that from the server I can browse the internet. On eth2 I wired it to a wireless router essentially to provide the wireless cloud. On eth2 I also configured dhcp, such that the Linux box is both PPPOE and DHCP server.However my clients on the LAN cannot access the Internet.
On passing the routing command I get
Destination Gateway Iface
196.44.x.y 0.0.0.0 ppp0
192.168.1.0 0.0.0.0 eth2 (my subnet)
0.0.0.0 0.0.0.0 ppp0.
The router (functioning as a wireless access point mainly) has a fixed IP address of 192.168.1.2 and eth2 has IP address 192.168.1.1. The dhcp file running on Linux has been set with option router (Gateway) 192.168.1.1. I cannot figure out how to correctly set the routing table such that my clients on wireless can access the internet cloud. I googled and googled but no solid solution. Any suggestions?
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May 28, 2010
I am having an issue on my server where I can't access certain ip's erratically. These addresses could previously connect to us.I think it may be related to getting rootkitted. I know the risks in not reinstalling but we are not able to install yet at this point. I cleaned out shv4 and shv5 from the os and setup tripwire. The client can't ping the server and likewise back.From my personal computer they both respond to pings.The server is running denyhosts but that is about it in-terms of security.I can't find anyhting anywhere... No ipchains present, nothing in host.deny, subnet is 255.255.255.0.I'm really at a loss so I'm looking for some direction
I know someone is going to tell me that I have to assume all my files are compromised and i should reinstall; I did md5 checks on alot of files and there is no data on here that shouldnt get out and I check for stuff running that shouldn't be daily.The server is 10.04 server. Latest updates.Here is a list of installed packages
Code:
adduserinstall
anacroninstall
[code]...
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Sep 10, 2009
I installed fedora lastnight, but any addresses I type in the field is returning server error, but if I type the IP address it will work, I reinstalled Fedora 11 about 3 times, samething.
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Aug 25, 2011
I am trying to configure my IPv6 network. My computers are behind a Fedora gateway IPv6-configured, which is working great. But for computers inside my network, it seems I am getting only internal addresses from DHCP. Here is my ifconfig for an internal computer:
Quote: em1 Link encap:Ethernet HWaddr F4:6D:04:34:92:2B inet addr:192.168.0.184 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::f66d:4ff:fe34:922b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:744250 errors:0 dropped:0 overruns:0 frame:0 TX packets:548987 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:841392242 (802.4 MiB) TX ytes:60384500 (57.5 MiB) Interrupt:18 Memory:f7100000-f7120000
he-ipv6 Link encap:IPv6-in-IPv4 inet6 addr: 2001:470:1c:611::3/64 Scope:Global inet6 addr: fe80::cea7:b778/128 Scope:Link UP POINTOPOINT RUNNING NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:61 dropped:0 overruns:0 carrier:61 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
[Code]....
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Nov 29, 2009
I've just set up a webserver and forwarded ports 80, and 22, and I cannot access the inernet on that machine but I can connect via ssh and visit a page on the server when on a different network.When I put the router in dmz mode I can connect to the internet properly.
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