Fedora Networking :: Deny Access To Wireless Routers?
Mar 26, 2009
Here's the issue: from time to time I have to take away my son's access to the internet, so I exclude his laptop from my wireless Linksys router. Works like a charm, or it did until he discovered that my neighbor also has a wireless router, and hasn't secured it.
So my son sits in the corner of the house closest to my neighbor and uses their internet.
Is there any way I can tell his laptop to NOT access a particular router? Or even better, to only access my router?
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Aug 4, 2009
Every time I start up my Samsung NC10 the wifi doesn't seem to find my wireless router at all and instead tries to connect to my printers network. To solve this I need to disable and re-enable wireless until it automatically connects. I know this isn't exactly a major problem, it's just getting pretty annoying. I'm using Fedora 11 btw.
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Jan 18, 2010
I'm setting up Ubuntu Karmic on my sister's old computer for my nephew, he's quite young so my sister asked to install some content filtering. I'll first setup an OpenDNS account and I've installed and managed to get dansguardian and squid working on a virtual machine to try it out. so far it's working pretty well, but I need to secure it form the inside out.
I was thinking of blocking specific outbound ports so he could not bypass the proxy. because by default the firefox configuration can be easily changed. so I have a couple of questions.
1. is it possible to block outgoing ports on Ubuntu?
2. is that the best method?
3. is there anything else I should be aware of to prevent subversion?
lastly, this question is probably unrelated to this board but I've set up a cron job to update a dynamic ip with OpenDNS, the problem is that the password is in clear text in the user's crontab, can I play with permissions? is it possible to run the job under a root account and deny read/write access to a normal user?
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Sep 2, 2010
I was going to buy a TP-link wireless router (802.11b/g/n) but while I was reading the consumer's reviews I saw some people were saying that they couldn't make it work with ubuntu. So, I'm starting wandering if there is somewhere any compatibility list? I mean if for instance TP-link or D-link would work with broadcom's chip. I would like to use my laptop's built-in wireless module which is HP Broadcom corp. BCM4306 802.11b/g. My laptop is a HP Pavilion zv6000.
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Mar 6, 2011
I have so many _wired_ devices that I can't get by with just 4 eth cable outlets anymore, so I thought I'd hook up an older router that I don't use as a way to get extra places to plug devices into.
Now it looks like:
Internet
then cable modem
then router1/wifi + (1 eth NAT storage)
then router2 + 4 eth0 computers:
(legacy FC5 box)
(legacy F11 box)
(updated F13 box)
(windoze)
All of the computers EXCEPT the FC5 box are fine (my def of "fine" is I can ssh to and from the other computers and to outside computers, and browse the web).
The FC5 box, however, can ssh to and from computers inside the network just fine, but can't get any kind of web browsing. Nor can it ping to the outside. I get a "Network is unreachable" error. I'm not using a proxy, not knowingly, and my firewall settings haven't changed...it certainly hasn't been blocking port 80 before.
what's the best way to go about adding more ethernet when you need about 7 cables. I'm not really excited to buy a router with 8 ports or anything like that, especially when this seems to _almost_ be working just fine.
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Mar 19, 2011
i have a Server, which has 2 nics installed. Each of those is connected to a router, which is connected to internet. On the server, i have apache, maillserver and im-server running. On the other hand, also squid, dansguardian and clam are running. so now: via eth0 i would like to have just the traffic, which is requested from outside (the big bad internet..) to my server (apache, mail, etc). via eth1 i would like to have all OUTGOING (also to the big bad internet) from the server, which is requested by a internal client. And of course all requests to my own server
both nics shall route their traffic to their own router. For better comprehension please consult the enclosed graph. Until now, i did not find a good solution, the default route is set to the traffic from eth0, if not, no external request will find back to a client do you have a idea how to handle this the easiest way?
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Apr 6, 2010
I want to deny access to my server by PC's from other sub LAN on my company, so I will add the lines ALL: xxx.xx.xx. to hosts.allow and ALL: ALL to hosts.deny?
VampirD
Microsoft Windows is like air conditioning
Stops working when you open a window.
-----BEGIN PGP SIGNATURE-----
[Code].....
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Mar 29, 2010
I am trying to setup a system that will only allow root access to the DVD drive and no other users.
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Dec 7, 2010
I would like to know if it is possible to deny the access to a file for root? Would ACL's be a possibility? I have "googled" around but haven't found anything interesting (except SELinux). I should secure a password file to an important database.
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Feb 11, 2010
We need to only allow access to a web page only to some ips. We want to do this via Apache but it seems like the standard way of denying all and allowing some ips doesn't work because we mount a webapp using tomcat.
The sites-enabled file looks like this:
Code:
NameVirtualHost *:443
<VirtualHost *:443>
ServerName web.address.com:443
ErrorLog /var/log/apache2/app_ssl_error.log
[Code]....
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Jun 2, 2009
I recently built my second general-purpose server, and recently installed fedora core 10 on it. The first thing I attempted to set up after installation was the network - and that's where it's gone wrong When editing a network device using the graphical system-config-network utility, I find that the subnet mask is being automatically changed to match the default gateway address every time I attempt to modify any of its settings (or sometimes even when I cancel the changes). This also means that I cannot set the subnet mask, as it simply won't accept my setting for it. I seem to be able to get around this glitch by setting the subnet mask using the shell version of the same utility, but that doesn't solve my network issue.
Even when I use the shell utility to fix the subnet mask, I'm unable to ping other computers or routers on the network even when ifconfig indicates that the desired ip address has been taken, and other computers on the network are also unable to see the server. I'm using a wired connection and a static IP address on a network with no DHCP.
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Aug 6, 2011
I have upgraded Intel Core2 Duo (Macbook Pro laptop) system to Fedora 15. I believe I have the proper firmware driver installed for my wireless network adapter. In Gnome I can click on the network status icon and select my wireless network, however nothing happens after that. Fedora does not prompt for my wireless network password, and no network connectivity is established. What can I do that would get my system to connect to the wireless network?
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Mar 19, 2009
OK, what I want to do, I think is possible but I dont kno name of it or how 2 do it under even windows for that matter. I have my current PC connected via Ethernet directly to my house router. Now on this Motherboard, I also have a wireless nic that I have no plans on usin. Can I turn it in2 an access point/wifi for other devices like iPods, Wii, Labtops, ect?Also, how would I do it if not Wifi, use the other Ethernet port to plug up say a labtop. In which the labtop uses the net I am getting from the router?
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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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Jul 16, 2009
i ahve just installed fedora 11 kde edition and i used to use fedora 10 after finish installation i edit the connectons to connect to my network im in lan network but i connect my cable to an access point to free using my laptop anywhere after adding every thing (wep key ,static ip's,) as i used to do and i have the connected sign at the system tray.i open the browser but no internet connection pinging the gateway returns "Destination Host Unreachable".
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Dec 11, 2009
I am looking for help on how to create a wireless access point using fedora core 12.I have done some searching and have not found anything.
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Aug 23, 2011
I have a laptop with Fedora installed and an iPad.The only connection to internet in my house is wireless router. It has strong signal to catch it with laptop in every corner in my house, but not strong enough for an iPad..Since my iPad is mostly near my laptop, I'd like make my laptop to be turned to wireless repeater or that serves as access point so I can connect to network with an iPad.How can I do that from my Fedora machine?
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Dec 19, 2010
I made a Desktop User account. When I went on that account, it allowed me to execute sudo as if I was an administrator. I don't know what might be causing this. I do have ufw set up and blocking incoming connections. Do you guys know what might be at the root of this?Also, when I used sudo from the user account (which I shouldn't have been able to do), I provided the password for my admin account.
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Apr 5, 2009
I have fedora 10 and am having problems with the wireless access. My computer uses the Realtek Semiconductor Corp. RTL8187B Wireless Adapter. It connects to the network, it gets an ip address and a broadcast address, but it loses connection within 3 min. I'm also new dealing with linux and fedora.
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Jun 23, 2009
I'm trying to make my F10 Laptop a wireless Access point.
When I 'iwconfig wlan1 mode Master' I get:
SET failed on wlan1; Invalide argument.
wlan1 is a Netgear WG111v2 which worked as soon as I plugged it in after I installed F10.
I don't know is it not supported? What is? Is there a different driver I can put on that will work in master mode.
What should I do basically?
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Jun 23, 2010
I'm new to Linux and I have a problem with the Wireless connection.I've already searched for this problem but found so many threads it was impossible to sort it out.I've just installed Fedora 13 (Live CD - Install to Hard Drive) and apparently it's kinda... "empty". But my problem is with the wireless connection. There is a free network provided by my city for all the citizens. It is Open (authentication) for all. The problem is I can't "see" the network in Feodra. In Windows 7 I can "see" it just fine with 3 bars signal strength. It is great for surfing and emails. It is not intended for heavy downloading.
Why can't I "See" this network? There is another weird thing. The neighbor above me has a Wireless access point closed of course but I get 44% signal strength in Fedora and Full bars in Windows. Does it have to do anything? Maybe the low signal of the free network is the problem and Fedora makes it disappear completely?
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Jan 2, 2011
I'm trying to get wireless access on a laptop with freshly installed Fedora 14 32-bit, but I'm having some issues. I ran the diagnostics advised in this thread: [URL]..Here are the results:
Code:
[root@localhost]# lsmod | grep iwl
iwl3945 97265 0
iwlcore 160590 1 iwl3945
mac80211 188648 2 iwl3945,iwlcore
cfg80211 110951 3 iwl3945,iwlcore,mac80211
[Code]...
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Aug 25, 2011
This is my first time here and I'm very much a beginner to Linux. I installed Fedora 14 and found out I didn't have wireless. I found this beautiful guide online posted by Stoat:
[URL]
but unfortunately, I live in an apartment and can only get access to wireless internet. I hope I'm posting in the correct place. Anyways, this is my setup:
$ uname -r
2.6.35.14-95.fc14.x86_64
$lspci
Network Controller: Broadcom Corporation BCM43225 802.11b/g/n
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Oct 18, 2010
Is there a list of wireless routers and wireless usb adapters floating around here? I want to find a router and usb adapters that are ready to go right out of the box to set up wireless at my house.
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Dec 29, 2010
I am unable to access wireless network from my notebook. My configuration is Dell i5, 4GB RAM and 1397 W-LAN and I have F13. I can still access Internet through Ethernet using a LAN cable but the network monitor doesn't show list of Wireless networks which my room mate's windows 7 machine easily detects.
If anyone needs more info please provide me the steps to perform to find that out
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Apr 30, 2010
one of these "WiFi works in Gnome, not in KDE" threads, but I have been all over google and hundreds of threads across different sites and can't figure this one out.As mentioned, wireless is peachy in Gnome, unfortunately I like KDE and I'm more productive using it (when I have internet). Wired network works fine in KDE, and my network card
Code:
03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
Subsystem: Intel Corporation Device 1201
[code]....
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Sep 1, 2010
I have 2 routers both with 5 network cards (both different subnets). On both machines I have the following configuration: Eth0 is the internet conection, Eth1 is the conection to the other router and the other network cards are for the subnets.My current Ip tables script allows all the subnets of one router to see each other but not the subnets of the other router.
In the new situation I want not all but specific subnets to see each other (no problem here)The issue is that some of theese subnets are subnets of the other router. For example the subnet of eth2 router1 should be able to connect to eth 3 on router2. This is were eth1 comes in play. My plan was to configure iptables so that in above example eht2 would be forwarded to eth1, which will forward to eth1 on router2.Then the iptables configuration on router2 will forward it to the network card of the correct subnet.
eth2 (router1) -> eth1 (router1)
eth1 (router1) -> eth1 (router2)
eth1 (router2 -> eth3 (router2)
[code]....
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May 9, 2011
I just want to allow only some udp ports and deny all tcp access as my script below:
Code:
# Generated by iptables-save v1.3.5 on Sun May 8 17:33:16 2011
*filter
[code]....
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May 20, 2011
My boss gave me the task (on a very tiny budget) of wanting to connect our remote offices to our network. Solution I came up with is Site-to-Site VPN.
I want to use OpenVPN on the Linksys Routers (again very tiny budget) and have them connect to our Cisco ASA5505 Firewall, but I am running into major problems.
Question is, even though they both use IPSec SSL are they compatible? If not, is there a work sround?
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Jun 14, 2010
So I have 3 home routers, 1 belkin and 2 netgear. I have my ISP internet connection coming into my belkin, which I then have the 2 netgear routers (from their WAN) plugged into Belkins LAN ports. Now the Ubuntu computers I have on Netgear LAN 1 and Netgear LAN2 can get to Belkin just fine (at 192.168.1.1), but I am unable to access a computer on LAN1 from a computer on LAN2 and vice-versa. My Belkin is 192.168.1.1, my Netgear1 WAN is 192.168.1.100 and Netgear2 WAN is 192.168.1.200. I have the netgears both assigning DHCP IP's from range of 192.168.0.100 to 192.168.0.150 on their LAN ports.
Now, I have set Netgear LAN1 port 80 NAT'd to go to one of my computers on it. I try to access 192.168.1.100:80 from a computer on Netgear LAN2 network and it say host unreachable.What am I doing wrong?
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