Ubuntu Networking :: Monitoring Accessed Websites In Home Network
May 11, 2011
I want to monitor the websites that people in my network are visiting.It's a home network with various devices (PCs, phones, Ipads), and a ubuntu headless server. I'd like to install some monitoring software on the server, which would ideally provide me a list of website the devices (attempted to) connected to.Does such a software exists?? Can I control it via Webmin. Would setting my NIC in promiscuous mode affect performance?
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Jul 13, 2010
I was wondering how do you slap a packet analyzer like Wireshark somewhere between all the computers in a house and the router, so you can tell what websites are being accessed? I mean websites, specifically. I'm not trying to monitor bittorrent, IRC or other things yet - I'll get to that later. I just want to break this insanely complex task into smaller bites for now.Also, since my ISP has bandwidth caps but does not have a means for consumers to monitor total network usage, I'd like to figure out how to use Wireshark to do that as well. This, I am assuming, is easier when wireshark is running on the pipeline going into the router.
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May 9, 2010
I was reading a magazine article today which was a discussion of internet detective work for tracking down ip addresses which attempt an ssh login to your machine. I have never really paid much attention to network security since I only run a small home network. I have WPA encryption and a firewall on my router. But while reading this article, I remembered that I myself has seen log files in the past that inidicated someone somewhere had attempted to log into my machine (attempts all failed). This had happened a few times, but I never really considered it a threat.
But, the more I read about home computers becoming "zombies" for criminals, I guess I am getting a little paranoid in my old age, particularly since my wife does quite a bit of business on the net with credit cards. I have four computers connected to the net and each other on this network, and would like to be able to easily detect attempted log ins and deal with them quickly.
So my reason for posting is to ask if someone could recommend a novice-friendly application for monitoring traffic to check this intermittently. I have read bodhi.zazen's excellent tutorial on snort, but I it appears to be written for large lan's or web servers and is over-kill for a small home network.
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Jan 22, 2011
I've just installed openSUSE 11.3 for the first time on a Dell E1505 notebook and am having problems connecting to my home wireless network. Using the Network Manager I've been able to find my home network and connect after entering the network password. After a minute or two the wireless network is still shown as active but their is no connection (websites will not load).
I'm completely new to Linux so I have almost no clue what could be causing this. I have tried connecting the notebook hardwired (Ethernet) to the router and get a perfect connection if that information helps any.
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Apr 4, 2011
I am currently stationed overseas in Japan, and I am happy to say that I have a 100 Mbit fiber line from my service provider... I am not so happy to say that they force me to use their "CTU", which is basically a Japanese router, which limits me from receiving external connections (such as would be required to host FTP, or administer my home machines via SSH or VNC). I have tried many methods of bypassing this piece of equipment, but so far none have worked (router setup for PPPoE, DHCP, Static IP, so on). I don't think the Japanese would mind me bypassing this device, as it's really there to 'protect' me, but there's such a language barrier that I can't figure out how to tell them what I want to do.
In order to troubleshoot the problem, I would like to setup a spare computer as a hub, dumbly (Is that a word? It is for this circumstance...) passing data from one device to the other, and allowing me to watch what is being passed via Wireshark. I am pretty linux savvy, but I'm completely useless with iptables.
Here is the final product I want:
After connecting eth0 to the fiber modem and eth1 to the CTU, I want the computer to duplicate eth0's distant end MAC to eth1 and vice versa (to simulate the computer not being on the network at all), then I just want the computer to pass any data coming in on eth0 to eth1, and any data coming in on eth1 to eth0. Finally, I need to be able to read the throughput with Wireshark, but I really think that will be very simple if I can get the rest of the setup complete.
One piece of info - there is no dhcp on this link of the network, and I have no way of knowing the MAC addresses of either end before connecting them.
As an added bonus, once I've captured the handshake between the CTU and modem, if someone knows how to retransmit those packets on demand (i.e. to replace the CTU with my computer), I would be quite happy to hear about it.
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May 6, 2010
I have a small office network with windows machines and a Linux Internet access server (CentOS 5.4). For Internet access I use masquerade, so everione can access every Internet service.
I periodicali have quite big traffic from one of the hosts, but I can't figure out which one is that?
Is there any linux command which will show me the bytes/packets (or any useful infos) going to specific hosts?
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Aug 28, 2010
I am in the process of setting up my own Linux gateway/firewall using two nics eth0(external network) and eth1(internal network). The Linux gateway hands out ip addresses using dhcp3-server, and uses iptables to route the traffic correctly. Clients are able to connect and access the internet...everything is working great, HOWEVER I can't access my apache virtual hosts websites from the internal network? They work just fine if i access them from the outside world
I can type ip of the web server, 192.168.0.201 and it shows the first virtual host listed in my /sites-enables/000-default folder. but i can't use any DNS entries. I don't have any internal DNS servers running. This doesn't makes sense, because if i replace the linux firewall/router with my normal linksys wrt54G router it works just fine.
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Feb 17, 2011
I need to setup a box to monitor what websites users are accessing on a small network.I don't have a switch with a spam port, but I do have a machine with two nic cards. I would like to set it up between the router and cable modem so that users won't know it is there but it logs all the websites that are being accessed.
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Jun 27, 2011
Problem:Your company network has internal only hosts / websites with names that end in .local, e.g.Your freshly installed Ubuntu machine works fine on the network, has internet access, etc. but cannot connect to these particular systems.Testing DNS with tools like dig / nslookup works fine, but normal name resolution with ping / telnet / browsers does not work.Solution:1. Open a terminal window2. Enter the command sudo nano /etc/nsswitch.conf3. Change the following line:hosts: files mdns4_minimal [notfound=RETURN] dns mdns4to this:hosts: files dns4. Press Ctrl-X, Y, Enter to saveExplanation:Ubuntu ships configured to do name lookups for self-configuring networks, based on the AppleTalk / mDNS / Bonjour protocol. In the configuration shipped for the resolver, this protocol is considered the final aurhority for the ".local" top level domain, and DNS will not be checked. The above configuration change eliminates this and restricts lookups to (a) /etc/hosts file, followed by (b) DNS
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Jun 9, 2010
Network/IT teams often look for a monitoring tool in reaction to a problem they have on the network. They know they have a problem, but they dont know specifics. They cant see, for example, who is hogging bandwidth. So they seek a free or open source point solution to solve that one problem. But if they already know one problem is happening, it's possible theres a second or third problem which could be prevented if the IT staff knew about these issues. An alternative approach to reactive monitoring would be to implement a robust network monitoring system before a problem occurs. An NMS should enable IT staffs to identify potential problems early on and solve them before end users notice them. Is your organization using a network monitoring system? If no, why not?
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Jan 21, 2011
I have a home PC which connects through internet via a Zyxel ADSL router. I use Fedora 14 as my one and only operating system and sometimes I am seeing the LEDs of my modem blinking very fast which means that something is downloading. I want to know which application download what on my PC. Is there any tool in Fedora that can show which application uses my network?
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Feb 19, 2010
Any easy to install/configure network/server monitoring tool? PLease note I'm looking for something of little lightweight here (Not something like zenoss) But I'd still like to get performance graphs and event notifying alerts. Also note this is to monitor less than 50 servers and perhaps a firewall or 2.
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Dec 8, 2010
I have a third party program (tightvnc) which I want to monitor and detect if it loses a connection with a client. I don't care if the client has the program open but isn't doing anything with it, I only want to know if the actual TCP connection is lost.
Since TCP takes forever to die on it's own I was thinking the best way to detect if a connection is lost is by bandwidth the bandwidth on the tcp port allocated to the VNC connection. Are there any tools built in to redhat (RHEL 5.2) which I could use to do this? Since I don't have full control of the operating system I would prefer to use built in tools rather then trying to get a new tool installed.
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Jul 12, 2010
my wireless home network is not recognized by my network card (RealTek RTL8190 mini PCI). The post was as follows: "I am using a new computer with Windows 7 , Athlon quad core 2.60 64 bit, 8GB RAM. Internet conection works fine with ethernet but ubuntu does not see my wireless network. card (RealTek RTL 8190 ID: 10ec:8190). Have searched this forum but unable to come up with a fix. I was looking for windows XP drivers to use Ndiswrapper but could not find a list of .inf files. My network is OK and works perfectly in windows and with my 2 laptops. Can anyone point me in the right direction? Additional info: install was done within Windows using WUBI to a separate partition on my HDD. I am new to this and thouroughly confused as to the procedure for installing the drivers if they are in fact available."
I am very frustrated in that I would like to use Ubuntu 10.04 but it is useless without internet connectability. I am new to linux and do not understand where to get the appropriate drivers or how to install them. I wish someone would answer this post and either give me a clue what to do or just say "give up" and uninstall ubunutu.
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Sep 20, 2010
Currently my office use a Cisco Firewall which will only allow the ANYCONNECT utility to do the vpn connection. I found a Linux utility (OpenConnect) which will do the same thing, but allow me more flexibility with my networking needs.What I ultimately would like to have is to have a switch that I can connect any network device into it and be connected to the office. IE (my IP Work Phone and Computer) Currently I have is a computer with fedora 13 and two network cards eth0 (home network - connected to a router) and eth1 which I would like to connect a switch to. OpenConnect communicates fine and I can see the work network from the Fedora machine. It creates a vpn0 tun/tap device and I don't know how to pass communication to/from the eth1 device.
Do I try to iptables the ports for the phone and services I need on the computer? Or do I build bridge; and If I do what am I bridging. I have tried making a bridge from eth1 to vpn0 which reply's with unsupported device or something like that.Unfortunately my network skills are bit limited and my office says "it can't be done". Their solution is for me to buy a ASA5505 (or something device) and have a static IP. I would have to make it work as my router and even then it will only DHCP 10 ip addresses; which will cause a shortage of IP addresses in the house.
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Jun 9, 2011
Does anyone know how to go about setting up a secure IMAP email server that is able to be accessed from outside the network? Similar to how you can access your google email account from your computer using Thunderbird.
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Feb 14, 2010
I just got connected to Charter Cable Internet service a few days ago and I'm having a weird problem with my home network. Prior to this my network worked fine. On my network I have a desktop running Ubuntu 9.10/64 and Virtualbox with WinXP installed, an HTPC with Ubuntu 9.10/32 installed and a laptop dual booted with Ubuntu 9.10/32 and WinXP. The desktop and HTPC are hard wired to a wireless router and the laptop is wireless. The cable modem is hard wired to the router. I have samba installed and UFW is disabled. The problem is: with the cable modem turned off or on standby, all machines connect to each other and can transfer files, etc just fine but when I activate the cable modem all of the machines can connect to the Internet but the machines running Ubuntu can't connect to each other on the home network. If I boot the laptop into Windows, it can connect to the Linux machines just fine but if I boot it into Linux, it won't connect to the Linux machines but it can connect to the Internet and as far as the desktop, Ubuntu won't connect to the network but Windows running in the Virtualbox with bridged networking can connect to all of the machines.
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Jun 26, 2011
I have configured web server in my home. it is working in LAN. but every one should be accessed from out site from LAN. how is possible ? i would like to access as http://123.123.123.123 Then i dont need the host name? My public IP http://123.123.123.123. My LAN IP [URL]... i did the port forwarding in my router. when i access the web from outside automatically logging into my ADSL router.
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Jan 31, 2010
I am new to Ubuntu, and I have just installed version 9.10 on my desktop PC. I need to connect my computer to my home network. Right now, I have no connection and cannot detect any of the hardware when running Ubuntu. When I switch over to my Windows XP partition, everything works fine.
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Jan 6, 2011
As a user who is comfortable setting up a peer to peer network in Windows, how do I set up a simple peer to peer network with shares, on a standard network infrastructure (ethernet and basic dlink router), using Linux? I have two computers with Ubuntu 10.04, and would like to share files between them.Do I need to set static IP's? Why is only Windows network showing in Places/Networks?
Question two: I have 3 Windows computers (2 = XP, 1 = Win7) on my network, all with shares. When I try to access the windows shares from an Ubuntu machine, I can connect to some shares on some computers without being asked for credentials, however on other shares I am asked for credentials, but the credentials aren't accepted.I am assuming that domain = workgroup, so I enter in the workgroup name, but the dialogue refuses to let me in.
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Feb 19, 2011
I'm having some difficulties setting up my ubuntu home server. I have vsftpd installed on my server, and I am able to use it perfectly when I am outside of my home. However, whenever I attempt to access my server through FTP from my desktop, it does not work. The file in question will load VERY SLOWLY to about 8% then the connection will drop out.My desktop and server are connected to the same router, and I feel as though this may be the issue.or vsftpd in a special way to access it through LAN?What I am trying to do specifically is use Comicpress (a Wordpress plugin) to upload comics to my server, with no luck.
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Apr 6, 2011
what's the command to check who is currently on my home network?
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May 23, 2011
I have 4 computers at home: 1 XP, 1 Laptop w/ Win7, 1 Mac, and 1 Ubuntu (hey, I like to try most everything). Anyway, I'm wanting to set up a home server to save everything on so that I don't have 3-4 copies of one file floating around. I was planning on using Ubuntu because I've always heard that Linux is a good system for a server and that Ubuntu is one of the easiest to work with.
Anyway, I just installed the Ubuntu OS, and the only software that I installed with it was Samba (I don't have a printer hooked up to this computer). Is samba the best software to use for this, or is there any other option that would be easier to use? I've heard that with samba there are a lot of things you have to change using the CLI (something about chmod, whatever that is, and others like it), which doesn't bother me, I've used CLI since the years before Windows, good ol' DOS.
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Nov 30, 2010
I have a teenage daughter that understands Ubuntu, but not so much the terminal, and she does not know the superuser password. Unfortunately, she regularly goes on the Internet during the nighttime and in the early morning. What I am attempting to do is prevent anyone from going onto the Internet during the night (11 PM - 5:30 AM) unless they know the superuser password or a fair bit about the terminal.
I have already tried some commands, however all of them can be bypassed by restarting the computer. ex. sudo ifconfig eth0 down
For additional information on my Internet:
My Internet connection is relatively slow, so I would prefer if the solution does not hinder it any further. It is slow because there is no high-speed in my area, and I am forced to use Xplorenet -> "Fixed Wireless". I do not have a router.
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Jan 28, 2011
In order to get internet access at my school I have to log into a vpn. No other addresses can be accessed before login. With XP the login is authenticated through the browser (IE and Firefox supported) and run by a juniper network connect applet.
Now when I try to do this in firefox in Ubuntu it tells me that I'm not allowed to login. So I started doing a little research and found out that I should be able to authenticate with VPNC. Trouble is I can't get internet to install anything. Which means I have to download the packages in XP and reboot into Ubuntu. And every time I hit a snag I have to reboot into XP to look up what I need to do. So what I'm wondering is if there is some work around that will get me logged in (maybe through the browser authentication?) so that I can work through issues in one os instead of two?
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Mar 2, 2010
I am looking to set up a home network server on an old PC. I want to be able to access files on the network hard drive in the PC, stream video or music from the "server", and use the computer as a regular desktop connected to TV as a monitor. I tried setting up an FTP server and that worked for transferring files but failed to get a good connection for streaming or fast transfers.
Was less then 1MB a second. I tried setting up a shared folder but ran into several permission errors between the host PC and the laptop that that connected to the shared folder. which way to go with this to get what I want out of it. I know if can be done just not sure how to do it.
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Apr 16, 2010
Just installed 10.04 LTS beta on 3 computers in home. At first, two of them showed up under the network window using places. The third never did and would not find the shared printer. After all rebooted, none show up. All three can access the internet and can display a valid internal network ip address using ifconfig.
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Jun 20, 2010
I recently installed Xubuntu 10.04 on my desktop computer that had a USB wireless adapter DLink DWA-140. I didn't have to install any additional drivers to get it to work. I put in the network SSID and the password and was connected immediately. However, when I try starting firefox it doesn't load any sites. Can anyone help me in approaching this problem. I have a DLink DIR-655 router. If I should gather more information to get this problem solved then please let me know and I will do so.
Edit: Now I am unable to connect to the network. When I click the network icon in the taskbar, my home network is not visible while it is visible under another ubuntu computer I'm running.
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Jul 4, 2010
I have a beefy Win Box desktop that i'm using as a media server and i have a home network setup already using windows xp. I had everything running fine and the PC connects flawlessly to my Bravia TV and both my ps3's so i know the network and sharing settings are setup just fine. Anyways i got tired of all the Windows 7 BS and decided i would once again use Ubuntu on my Toshiba netbook. So the question is how in the heck do i get my Ubuntu netbook to connect to the Desktop? I've tried browsing the fourms but either i'm missing something of just a little slow. What "extensions" would i need to get and how would i go about implementing it from there?
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Jul 28, 2010
For the first time networking my home computers I'm not interested in getting Ubuntu boxes to to talk to Windows and we now have Ubuntu on all machines.
I'm trying to use the "Personal Files Sharing Preferences" but there is a message telling me I require some packages. Most unlike Ubuntu but it doesn't tell me what packages I do need.
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What I would really like to do is have access to sertain directory's on other computers and have full access to read/write within the home directory.
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