A router is a device that forwards data packets between computer networks, creating an overlay internetwork

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What are the risks of NOT using a firewall (home computer)?

Since a password is required to be a superuser (to install and modify programs), what are the risks to not use a firewall under Ubuntu ? More particularly if I am using a NAT router ?
12
votes
6answers
50k views

How do I access an external hard drive plugged into my router?

I am running Ubuntu 11.10 and I own a Netgear N600 Wireless Dual Band Router with a USB port built into it. Naturally, the router came with instructions on how to mount and view this drive with both ...
12
votes
1answer
25k views

How can I make VirtualBox guests share the host's VPN connection?

Question When I start my VPN on my ubuntu desktop computer which acts as a router, the attached subnet loses internet connectivity, but is still accessible (LAN). Ideally, I would like to know how to ...
8
votes
1answer
286 views

My ubuntu sony laptop connects to wifi but can't load any data

New Problem I am now able to access the internet but, when I connect to netgear router NO data is recieved and I can't also ping my router.This does not happen with any other router like DLINK or my ...
7
votes
1answer
2k views

Ubuntu Server 13.10 can't mount hard drive that is on my router

So I am working currently with my Ubuntu server which I have it on my laptop at the moment so I can test out how to work with the server OS. I have it up and running with samba, openSSH, webmin, and ...
6
votes
1answer
10k views

SSH into Ubuntu VM remotely

I dont have much experience on networking or linux, but I'm trying to ssh into an Ubuntu virtual machine from outside my home network. The Ubuntu virtual machine (VirtualBox) is running an a Debian ...
5
votes
4answers
1k views

How to show (just) the IP address of my router?

What command can I run to get just the IP address of my router? With this command I should have only IP of my router and not, for example, the whole routing table (as when I run route -n).
5
votes
1answer
1k views

While using internet on ubuntu, all other computers get bad internet connection

I am currently using Ubuntu 10.04 Precise (in dual boot with Windows 7). Whenever I log onto Ubuntu Internet, all other computers Internet speeds plummet. Usually we have 20 Mbps download and 2 ...
5
votes
2answers
6k views

Access Windows machines from Ubuntu on local network by hostname

[I've searched a LOT for a solution to this issue, but if someone wants to point me to a related question and/or answer, please do!] I have a local network over a broadband router with 3 Windows 7 ...
5
votes
1answer
7k views

how to connect to a remote desktop behind a router?

Here's my setup: I have a laptop that I roam around everywhere with, and I have a desktop computer at home that is connected to the web using a router with NAT. My objective here is to create an SSH ...
5
votes
1answer
2k views

Ubuntu routing table with 3 NICs

I want to configure Ubuntu 12.04 as a router. This Ubuntu PC has 3 network cards eth0:192.168.1.203 (LAN1) eth1:172.16.30.21 (Internet) eth2:10.216.1.107 (LAN2) and $ route -n Kernel IP routing ...
5
votes
2answers
1k views

Wifi connected but no internet

i hope someone can help me with this, it was the story of today for me: Everything was going ok and my internet worked perfectly for every device I had (computer, tablet, phone) except for my two ...
4
votes
5answers
931 views

Do I need an Ubuntu compatible router?

Im' thinking about formatting my HD and reinstalling with Ubuntu instead. However I'm concerned about losing internet access. I currently use XP and connect to the net via a router which I can access ...
4
votes
2answers
6k views

Problem Internet connection Ubuntu 12.04 Server (trough VirtualBox)

My final goal is to access my web projects trough external network. So, I have : Internet connection trough wireless router (ISP's IPs are internal, so and the IPs which the router sets to my ...
4
votes
1answer
8k views

Install Network Printer Manually (Router : TP-Link TL-WR842ND)

Router Model No. : TL-WR842ND After reading this article, I carry on the installation but it does not work. This is the properties page : I have attempted to print test page but the status shows ...
3
votes
2answers
15k views

Rsyslog filter for logging router events (syslog server)

I am trying to configure rsyslog (Ubuntu 12.04 Server) to log events from a router. I found this old ubuntu forum post which got me most of the way there. So far I am able to get the events logged ...
3
votes
3answers
2k views

SSH from external network refused

I've installed open-ssh-server on my home computer(running Lubuntu 12.04.1) in order to connect to it from school. This is how I've set up the sshd_config file: # Package generated configuration file ...
3
votes
1answer
16k views

I would like to make a Virtual Router on Ubuntu 12.04

I have recently installed Ubuntu 12.04 and would like to make a virtual router for my Android Device which only connects to infrastructure networks and not adhoc networks anyone who has any tips ...
3
votes
1answer
376 views

Install apt-cacher on a non-Ubuntu server (router)

Is there a way to install apt-cacher on a non-Ubuntu server? I'm using DD-WRT on my router and I thought it would be nice if the apt-cacher was there instead of on a PC which has to be powered on if ...
3
votes
0answers
31 views

HDD on a router [duplicate]

Possible Duplicate: How do I access an external hard drive plugged into my router? I am using ubuntu 12.04LTS. I am using a D-Link router for our wifi here and we have connected an HDD via ...
3
votes
1answer
1k views

How to set up Wi-Fi Hotspot for sharing using 2 wired and 1 Wi-Fi network cards?

I have 3 network cards installed in my ubuntu 10.04 server and I want to configure Internet sharing and file sharing on eth1 for wired users and wlan0 for wireless users. Static ip: eth0: 192.168.1.1 ...
2
votes
1answer
2k views

SSID of my wireless network is missing in Ubuntu 12.04 I can see other SSID's

I am unable to connect to the wireless network from Ubuntu 12.04 where as I can connect to the same wireless network via Windows 7, here is a snapshot of connected network in Windows 7 the SSID to ...
2
votes
1answer
1k views

One SSID, two routers. How can I force the connection to the correct MAC?

Basically, the header tells it all. I have two routers configured with the same SSID. The main router is upstairs, and the secondary router is downstairs. Where I work, normally, the portable sees ...
2
votes
1answer
4k views

How can we make our ubuntu server router as gateway mode to router mode?

based on this sample guide link: http://ubuntulinux.co.in/blog/ubuntu/nat-configuration-with-iptables-in-ubuntu/ with this code: iptables –append FORWARD –in-interface eth1 -j ACCEPT it ...
2
votes
1answer
159 views

Setup Linksys E900 Ubuntu 12.04

I just bought a Linksys E900 and I am unable to access the Admin Login page over http://192.168.1.1 Instead I see this page There is no way I could login ad Admin and Setup the router. Can ...
2
votes
0answers
99 views

Ubuntu router with 2 NICs, traffic stops and I don't understand why

I'm currently running a Beaglebone black with bone-ubuntu-14.04-console-armhf-2014-08-13-2gb.img (or a more recent version), which acts as a firewall / router. It has two network interface, one USB ...
2
votes
1answer
107 views

Local share access problem

since my last boot I've been having a weird issue: I can easily access the internet, and ping various websites, however I can't ping any address on my local network. I'm running Ubuntu 13.10 with ...
2
votes
0answers
2k views

How do I install a Livebox USB printer as network printer?

I hope someone has figured this out because I've spent days with google trying to track down the solution. I got fed up with microsoft Win XP and 7 and decided to try ubuntu 12.04 on a spare laptop ...
2
votes
0answers
276 views

Ubuntu router breaking internet radio streams

I have Ubuntu 12.04 up and running fine as a DHCP router with great throughput to my connected devices. two single nic's (one onboard and one PCI-e, both with Realtek 8111E chips) are used as WAN and ...
2
votes
1answer
801 views

My server does not forward packets between interfaces. What am I missing? [closed]

I'd like to get my Ubuntu 11.04 server to route packet between its two network interfaces. The two ethernet interfaces (eth0, eth1) work apparently well as such. Both have static IP addresses ...
2
votes
0answers
999 views

Laptop won't connect to Wi-Fi router

I have Ubuntu in one of the laptops I own. Since yesterday, and for no apparent reason, it is not able to connect anymore to my Wi-Fi router (I tried to forget the network and disabled security, ...
2
votes
1answer
508 views

Trouble communicating with router DHCP?

my home network is has problems regarding linux computers, two ubuntu and two mint. I have had a look at the log files and searched the internet regarding the solution. I cannot find a whisker of a ...
2
votes
0answers
184 views

Slow wireless about 1/3 bandwidth of wired from cable modem [duplicate]

HP DV6000 Wireless G Broadcom Netgear WNDR3400 router properly configured. Windows laptops using wireless G and N are considerably faster than mine. 12.04 LTS, all restricted drivers and all up to ...
1
vote
2answers
433 views

how many ethernet cards ?

I want to use my computer as a router. So I checked how many ethernet card I have running : lspci | grep -i net. I got a single line ? Does it mean that I have only one "eth0" ethernet card ?
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vote
2answers
1k views

Facebook and Hotmail site don't work [closed]

In Facebook website, when I enter my username and password and "log in", it doesn't allow me to get through. In Hotmail, the page doesn't open up at all. In other sites, I don't have any problem at ...
1
vote
3answers
601 views

How to avoid trying to connect to a stranger's network with known SSID?

My Laptop knows an access point of my uncle's place. He is using a standard one given by the ISP, e.g. FRITZ!Box 6360 Cable. Alas, at my home there is also an access point with the same SSID. Ubuntu ...
1
vote
1answer
290 views

Ubuntu 14.04 Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0) can't connect

Why can't I connect to my router via simple LAN cable? I just want to access my router and configure it, but my Ubuntu keeps attempting to make a wired connection and it can't. I tried switching my ...
1
vote
3answers
422 views

how do i make my website accessible to the internet without a static ip and from a virtual machine?

I have windows 8 host and i have installed ubuntu 14.10 server as a virtual machine in vmware. i have installed LAMP server and i am trying to host a website from it. i have created a virtual host. my ...
1
vote
2answers
153 views

Setting up NAT for internet access on a connected router

I'm setting up a NAT for a connected router to my laptop using the following command (IP forwarding is enabled): sudo iptables -t nat -A POSTROUTING -s 192.168.47.0/24 -o eth0 -j MASQUERADE So ...
1
vote
2answers
938 views

How to set-up Linksys e4200 router on Ubuntu 13.04?

How do I set up my router (Linksys e4200)? I have the software that came with it but it is for Windows. My computer has Internet access but when I click on Internet connection information I get error: ...
1
vote
1answer
16 views

Accessing router with Ubuntu client from remote

Is it possible to use my router Dlink-655 as a (gate)way to watch Netflix when travelling abroad? In other words, can I connect to the internet abroad and from there to my router and use my router's ...
1
vote
1answer
40 views

Can I use IPv6 connectivity through openVPN if my router does not support it?

Can I use IPv6 connectivity through openVPN if my router and my ISP does not support it but my openVPN server does?
1
vote
1answer
42 views

Firewall rules not working for network

I have configured my ubuntu server to be a router and firewall. It has dhcp functionalities and it gives ip addresses to my other two computers. There is an implicit deny in the network. However the ...
1
vote
2answers
87 views

Questions about building a native IPv6 router/firewall

My ISP has kindly handed me a /64 prefix, and I'm building an Ubuntu router, as most of my existing equipment is too old to support IPv6. Using various articles, I've managed to get it mostly ...
1
vote
1answer
217 views

ISC DHCP Different DNS Server For Different Client OS

Is it possible to configure isc-dhcp in a way that it can send different DNS server addresses to different clients in the network? Let say I have some Macs, PCs with Linux and Windows in the ...
1
vote
1answer
865 views

How to setup Ubuntu router with 2 WAN interfaces

I have an ubuntu router with Ubuntu server 14.04 installed. Physical network interfaces are: eth0 - local LAN eth3 - WAN (internet) wlan2 - local wireless LAN (AP) This is my ...
1
vote
1answer
602 views

Ubuntu server routing table

i've a ubuntu server (13.04) with 3 NICs. This is my routing table: Destination Gateway Genmask Flags Metric Ref Use Iface default vodafone.statio 0.0.0.0 UG ...
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vote
1answer
1k views

Ubuntu server 12.04 can't connect home wireless network

I have installed Ubuntu 12.04 (server) without GUI. I have Netgear wireless card ( model:wg311v3 ) that i have installed it through ndiswrapper driver wrapper to work with windows driver. I don't ...
1
vote
1answer
7k views

How to route between 2 connections (different network) in 1 PC (wired & wireless card)?

I have a problem to make a routing table for my PC. I have 1 pc running on Ubuntu, and i have 2 connection card (eth0 & wlan0). eth0 IP : 192.168.1.1/24 wlan0 IP: 10.10.10.1/24 with dhcp-server ...
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vote
0answers
28 views

How to set custom DNS for all users using Ubuntu as Wifi Hotspot?

I use my laptop as wifi hotspot with an "ad-hoc network" instead of a normal wifi router. The question is: how can i set custom dns for all the hotspot's user so i can create new domains that will ...