Ubuntu Security :: Unable To Access Internet Utilizing Laptop
Mar 12, 2010
To start off I do not have the ability to post in the Networking/Wireless thread. I attend DeVry university and in my school they recently rolled out "Bluesocket." Now that they have done this I am not able to access the internet utilizing my ubuntu laptop.I am able to connect to the network. When I open my web browser I am redirected to the "bluesocket" login page where I am able to successfully log in. The next step to accessing DeVry's internet service is to allow Bluesocket to do a scan using a Java applet. That scan is successful.
The results of the scan inform me that I am not being allowed to access the network resources because I don't have an antivirus or firewall program installed on my computer. I do not wish to have an antivirus or firewall program installed on my laptop to utilize DeVry's network resources. My question is what steps do I need to take to bypass/trick bluesocket?
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
I have my desktop and laptop connected using an "Cross Over Cable" to transfer files. Each PC also has a wireless card which is used to connect to the internet. Today, the card in the desktop went bad, so I want to access the internet from my desktop through my laptop. Here is the specs running Ubuntu 9.10
I have a Centos5.4 64bit laptop, having an eth0 and a wlan0. I connect this wired eth0 to a wall socket to access Internet via DHCP (eg the assigned address is like 192.168.192.xx). I do not have access to the ADSL router. How can I turn this laptop into a Wifi access point to allow, say my Ipad or any wireless-only client, to access the Internet thru this laptop ?
That is, communication between iPad to laptop is wifi(ad-hoc connection ??), laptop to the ADSL router is wired LAN. The laptop need to have some bridging build in ? If you can refer me some concepts, then I can follow up from there.
I decided to install Karmic on an old desktop system with the intent of using it as a backup system for my data. Having installed this as a fresh install I again followed the earlier advice only to find that when I attempted to connect to the BBC I was asked to load flash. This happened no matter which station I attempted to listen or view.
As far as I can see everything has been installed exactly as on my laptop and therefore should naturally work as before. The only difference is the laptop is using 64 bit and the desktop 32. Since I now see that the desktop is also capable of 64 bit processing should installing the 64 bit Karmic help?
Using sysinfo does not give too much information. I am told that the CPU is an AMD Athlon 64x2 Dual Core processor 4400+, 1000.000 MHz & L2 cache 512. The graphic card is shown as VGA Compatible Controller and the Sound Card as a multimedia Audio Controller.
I am at a loss why I am being asked for flash on the desktop and not being able to have the same benefits as I have on my laptop running the same OS.
I do not have access in my laptop with ubuntu 10.10 maverick 64bit installed. I deleted network manager when trying to set up a static I.P follow the guid on this page www.liberiangeek.net/2010/09/setup-permanent-static-ip-add I've googled around. The methods suggested to solve it have not been useful in my case. I tried to the method by a user on this forum
Quote: Originally Posted by lswb
Method 1) Start synaptic, click on Settings/repositories follow instructions to install from live CD. After installation click "reload" in synaptic and install upgrades if applicable. Method 2, if you have a wired ethernet connection, interface name is eth0, using dhcp, which is the most common scenario, open a terminal and type these commands:
sudo ifconfig eth0 up sudo dhclient eth0
If you have wireless it's a little more complicated, but if you have an unsecured network (no WEP or WPA) and your wireless interface name is say eth1, and your wifi network essid (name) is "mynetwork" it wo uld be something like this:
sudo ifconfig eth1 down sudo iwconfig eth1 mode managed essid "mynetwork" sudo ifconfig eth1 up sudo dhclient eth1
i installed many security programs as a switching from windows guy and decided to get rid of them last night. I uninstalledgufw, clamav(and all based packages), firestarterusing synapticbefore i rebooted the system the internet was well and working. but after i rebooted i had no internet access;firefox couldn't retrieve, update manager and apt-get couldn't connect.the computer knows it's connected to the router i see the connection established sign but I can't even connect to the router by typing "192.168.2.1".the computer can ping itself(127.0.0.1) but can't ping itself in the network (the dhcp address is 192.168.2.3) and replies "operation denied" or something like that.I rebooted using live-cd and connected with no problems; the my internet connection is fineany thoughts will be appreciated P.S.: I did a fast check on the forums and couldn't find anything related; i didn't check thoroughly though.
I'm running Natty and have made two logins on the system. One for myself and family and one for the kids (teens 14-15yr) to play in without Internet access via Admin "Users and Groups". I have hidden the Internet software icons on their screen amongst others i don't want them to see on the menus. On our screen I use a Firefox addon called "Web Of Trust" that can be configured easily for the kids and another addon called 'Blocksite' that I can selectively use for them and myself etc.
I have found out that they have still been able to get on to the net somehow under their login. Will have to observe again!! In the users settings for the kids the tick box for 'Internet'and 'use modem' access is un-ticked so I presumed that would be enough! Not so!!
I was wondering if there is any way in Linux in general and Fedora 13 in particular to configure system so that any service that needs access to internet will have to ask for password/permission to do so. So that I can
I wanted to know if there was a firewall program out there that can open specific ports when a program/process is run and disable the ports again when the program is closed.
There is this active connection in firestarter: ec2-174-129-193-12.compute-1.amazonaws.com (Port 443 - Service HTTPS - program python)After doing ps aux | grep PID it shows: /usr/bin/python /usr/lib/ubuntuone-client/ubuntuone-syncdaemon...This comes up in the firewall in each login, how do I get rid of it and how did it get there in the first place? Another question is if there is a way to limit a program's access to the internet. For example KCalender.. The things I type up in there may be stored somewhere. How can I disable complete access to the internet for that program and any other program so they can't backup, share, check etc. ?
I just installed Ubuntu 10.10 today on my laptop (I installed it alongside Windows 7).
My problem is that I'm unable to access the internet; actually, I'm unable to access any wireless connection at all.
I'm using a Linksys Wireless-G Notebook Adapter (2.4 GHz) in my laptop.
From what I've read, normally, many wireless cards are detected by Ubuntu automatically when you install it. However, this did not happen with my card.
...So, I'm not really sure what to do in order to gain access to the internet.
I am a beginner to ubuntu. I have installed ubuntu 10.04 on my laptop using wubi.When I am trying to edit the IP address using network editor,apply button is not highlighted.I managed to give IP as well as netmask through command prompt.But I am not able to give gateway and dns IP.Please help me configuring this.
I am using Ubuntu 10.04. My problem is that I am unable to access my internet using Ubuntu. My internet is running fine on Windows 7 installed on same system. I am a bit unfamiliar with Linux. I tried to configure my network settings but it didn't help. I have my system connected to my dsl router via LAN.
after installing some updates while on linux I am now unable to access the Internet when using vista. I m trying to solve this without success. Internet is still accessible from linux, and vista canl connect to the local network.
I have recently installed ubuntu 9.10. Earlier I had ubuntu 9.04. On that my internet was running perfectly well.After installation I created new connection as I had done for 9.04 version using "Network connections , Edit connections". However, after configuring connection(uname , password etc.) I wasn't able to access Internet.So I tried using "pppoeconf" utility. After using this now whenever I click on network connections applet on top panel , it shows in menu "device not managed".Can somebody point out what went wrong and what to do so as to be able to acess Internet in ubuntu?
I am trying to configure my Linux router to restrict Internet access for one computer on my LAN. It needs to be restrictive based on the time of day and the days of the week. I am using the MAC address of the computer to single out the one computer that needs to be blocked. However, this is my first attempt at making any rules with iptables, and I am not sure if I am doing this right. If some one can take a look at this I would greatly appreciate it. This is what I have done so far.
Here is my thinking. Create a new target. Check the MAC address, if it is NOT the offending computer return to the default chain. If it is the offending computer check that we are between the allowed hours and dates and ACCEPT. If we are not within the time/date range then drop the packet.
Code:
Here I am trying to route all packets regardless of the computer on the LAN into the blocked_access chain for checking.
Code:
Is it a good idea to route all traffic through the blocked_access chain? I do run other servers that are accessible from the Internet, so I am not sure how this setup will affect that. I also use shorewall on the router to setup iptables for me. How would I integrate this with shorewall?
I am using squid to block access when he is using the web browser. However, he is still able to play games(World of Warcraft) and the like.
I am using Debian sid, iptable(1.4.6), shorewall(4.4.6), kernel 2.6.32-trunk-686.
When powering up with Linux, I get the message "THERE WAS AN ERROR CREATING THE CHILD PROCESS FOR THIS TERMINAL".I posted this on Newbies several months ago but received no replies. I hope this is the correct forum.I am using Windows XP Pro at the present.
On my Centos 5 box my internet won't work. I am unable to get update and I can't download any native programs. But I have Samba running and I am able to access all my files for my other computers.
I am using ubuntu (11.04) here, when i connect Bsnl broadband link(wired connection). Internet is connect automatically But unable to instal, upgrad and access Internet pages ..
I accidentally removed my network manager (gnome) from my system (via synaptic) and hence have not been able to have access to the internet to reinstall the packages. I have experimented with many commands (with help from others) in terminal with little success.
What I now did was downloaded a 'NetworkManager-0.8.0.999.tar.gz' file and a 'NetworkManager-0.8.1.tar.bz2' file (from a different comp) and have placed them onto my desktop. I have read the INSTALL instructions within and it is a tad complex for me as I am new to Linux. I understand I have to extract the files and compile them into a new folder (I think I would choose a file in the /home directory)- how would I go about doing this? Following this, I need to './configure' or 'make' or 'make install' the files
can't access internet. The up and down icon appears by the network connection (upper right hand corner). When I review connection properties, I see that the computer has a valid address, subnet, gatway, dns, etc... But it still can't connect to the internet. I can't ping external addresses either. But I can access internal addresses (local router).
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.
I've installed centos 5 on an old computer with success and it works great.I can access the web server hosted on the centos server from any computer on the wireless and wired local network. I can also use ssh (putty) and nx client from any computer on the local network (wired and wireless) to access the centos server.On the wireless router I've configured a port forwarding to the wireless network interface on the centos server. I can access the centos server from the outside (internet) through this port forwarding both through http and ssh or nx client.MY problem is that I can't access the centos server from the internet through the wired network interface. Any attempt to view a web page or login with ssh or the nx client will timeout.
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.
Installing from Live USB: Installing from USB on my desktop (used this method for laptop install) goes without a hitch. EXCEPT, I notice there is no support for my wireless card chipset (Atheros 7413, used /bin/lspci to find). I download the drivers for Linux, but I need Make to build the drivers...ok. I download the Make files from my laptop, make coffee, slap the makefiles onto a flash drive and run the configure file on my desktop version of SUSE. Whoops, need a c compiler (odd that openSUSE did not come with gcc? bit confused on that). If you can't tell by now, I've been using linux for less than a month so I am what you would call a noob? After the lack of c compiler, I drove to my office to snag some DVDs to download the DVD iso image, hoping it would have some form of c compiler/make packaged, since the description does say the DVD has more software (can't find any prebuilt versions of either...?)
Installing from DVD: This was my next step. I wrote the iso image to a DVD and proceeded to boot from DVD. The installer fails at the system analysis, saying it cannot "create a repository". writing the iso to a second DVD produces the same result. Googling has not yielded a solution. tl;dr can't use openSUSE on my desktop because my wireless chipset is not suported by SUSE. I need Make to build the drivers, but I need a c compiler to compile Make, and I need the internet to get both for my machine.
we are trying to install this NIC Rosewill RC-400 Chipset RTL8169S-32 in Ubuntu 9.04 we downloaded the drivers from Rosewill website (For kernel 2.4.x and 2.6.x V 3.1) but when we follow the instruction in the readme file and do make clean modules and error comes out
So I went do realteak downloaded latest available drivers that seems to be were release yesterday did same command and same error So I made only make and it went fine did then make clean modules and went fine so made make install, depmod -a and modprobe r8169 verify int was up and getting correct ip from router but I'm not able to access the internet or ping any IP address
Code: xxx@xxx-desktop:~$ uname -a Linux xxx-desktop 2.6.28-18-generic #60-Ubuntu SMP Fri Mar 12 04:40:52 UTC 2010 i686 GNU/Linux xxx@xxx-desktop:~$
