OpenSUSE Network :: How Secure Is Default Opensuse 11.04 Machine Out Of Box
May 19, 2011
First off How do you disable IPV6 access on all connections used on the pc-is there a way to test for ipv6 connectivity?
Secondly how secure is a default opensuse 11.04 machine out of the box? should i be making some changes to the default configuration?
Thirdly what does the default firewall settings do? on my network i use my wpa2 psk aes connection via my local wireless network-in the event that some can hack into my wireless would the opensuse firewall prevent direct access to my pc from a attacker on the same wireless subnet?
Fourthly when does opensuse 11.04 go out of date? in a year from now?
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May 30, 2011
how to secure opensue? Or point me to some good articles etc?
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Mar 1, 2009
I can connect to unsecure routers, but not to any secure routers. NetworkManager doesn't seem to work and neither does anything else I try. I have tried with WPA supplicant but to be honest I have not a clue what to do. I have an Atheros ar5009 card and I'm currently using the ath9k module. Lan works just fine. But my wireless doesn't.
wlan0 IEEE 802.11abgn ESSID:""
Mode:Managed Frequency:2.462 GHz Access Point: Not-Associated
Bit Rate:1 Mb/s Tx-Power=23 dBm
Retry min limit:7 RTS thrff Fragment thr=2352 B
Encryption keyff
Power Managementff
Link Quality=92/100 Signal level:-36 dBm Noise level=-95 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
I have updated everything it seems like, but nothing I do seems to work. I have been at this for almost 3 weeks already hoping for a break and so far nothing.
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May 21, 2011
I've recently installed openSUSE 11.4 (64 bit) on my system and am experiencing severe performance issues with websites using https (any site using https). Page loads over https take anywhere between 30 seconds to 2 minutes. It's the same issue posted here Secure sites load slow or not at all -- there was no confirmed solution.
- My router/hardware configuration has not changed in a long time and I've run Ubuntu, Arch Linux, and Windows XP on the same machine within the last year and have not had any issues.
- I also have a laptop running Arch Linux (kernel 2.6.38) and this problem does not occur using Firefox 4 or Chrome. To add to the madness this problem occurs while running Firefox 4 inside a Windows 7 guest via virtual box, but NOT while running IE 8 inside the same guest.
- This issue occurs using Firefox 4, Chromium, Opera, Konqueror, and Arora.
- I've disabled ipv6 in Firefox via about:config.
- I've disabled ipv6 in yast and have attempted to use both the "ifup" and "networkmanager" options.
- I am not using a proxy server.
- I've attempted the fix posted in the Ubuntu forums for a similar problem [ubuntu] [SOLVED] Banking Site is very slow.
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Jan 12, 2010
I have three machines with the same configuration. ssh and SFTP enabled on all three and I can see all three from the network. I can also ping all three. Here is what I get with the ssh debug command on the problematic machine:
linux-csp7:/home/ines # ssh -vvv ines@192.168.2.19
OpenSSH_5.2p1, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
[Code].....
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Oct 22, 2010
I would like to setup a remote desktop for my Ubuntu computer so I can use my computer on a Windows computer that is on a different network. How can I do this?
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Jul 27, 2011
This is a thread I've moved over from the install forum and is hopefully more focused. Sorry if I have violated some protocol. Problem I have a new machine build configured to dual-boot Windows 7 and OPENSUSE 11.4. Network performance in Windows is very good but network performance in OPENSUSE is very poor.
[Code]...
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Sep 27, 2010
I installed OpenSuSE 11.3. The only "extra" package I put in after the install was VirtualBox-ose. The firewall is disabled. I gave the machine a static IP address. I can get to the Internet from the machine. I enabled sshd to start on boot with "chkconfig sshd on" and also verified the service is running on the machine. I can ssh user@localhost from the machine as well.
When I try to connect to SSH from another machine, I get a connection refused. I verify that the firewall is down. I also try to get to VNC -- same problem: Connection refused. I ping the machine for fun. If I try to SSH again, it sometimes gives me a logon? I would check the server logs for the connection refused, but I wouldn't know where to look. I started in /var/log/messages, but nothing seemed to jump out there. I also find it strange because I can RDP to a windows guest running under VirtualBox. The Windows guest uses Bridged Network and DHCP.
I also find it interesting that I sometimes type a "ping google.com" from the 11.3 box and it will just hang - no output. Then I open firefox and get to the internet. All of a sudden, ping starts to give output. Could this be a neetwork card issue? A configuration issue? I don't know where to start.
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Jun 7, 2011
I've not found how to configure more than one ip address with network manager.Nor with kde nor with plasmoid network manager.I need several virtual ip addresses for eth0 when the "default" of eth0 is connected i.e. "Connected to Auto eth0" should initialize the virtual interfaces.I have not found no even how to configure the ip address.I think this will be used from ifup config in yast or not?There I have the virtual interfaces but they are not taken from network manager.And last but no least: Is it possible that when using network manager the eth0 is enabled even no user has logged in?
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Jul 17, 2011
I installed openSUSE on one of my work system. The network port wasn't working when I was installing, but works fine now (checked in Windows). But for some reason, I am not able to configure the network. I used both Dynamic and Static IPs (both work fine in Windows) but still no go. I am using Yast Control Center for this purpose. I can't even ping the default gateway when I am using custom settings. When I use dynamic settings, it says Unreachable Network.
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Sep 28, 2010
Recently loaded 11.3 onto a virtual machine, however none of the network settings will allow me to connect to the internet. First time Ive had this happen, other distro's Ive experimented with connected with no problems. I recall seeing a similar topic some time ago (dont remember if it was here or another forum), but at the time, there had been no fix. Anyone know if this has been fixed?
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Jan 12, 2010
How to achieve such functionality:I have some server based on openSuSE 11.0 which have services as HTTP and FTP but also working as firewall-gateway.The default IP for this server is: 10.0.0.5 and with such IP working HTTP, FTP and Masqueraded computers in local area network.I did another alias in interface with IP: 10.0.0.10 and I want to change address for Masquerading computer to this IP. How I can do this with SuSEfirewall?
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Dec 2, 2010
I had an OS 11.3 machine running as an Nis server with Nfs, also providing dns, squid, samba shares and running apache
Internet connection provided by a netgear router at 192.168.0.1, server at 192.168.0.2, clients at 192.168.0.3, 192.168.0.4, etc. The clients all being configured to use the server for dns the squid running on it for their proxy, logging on with Nis using the exported server's Nfs /home share as /home on the clients
Everything was setup through Yast with some conf file editing being done later for samba and apache and all working brilliantly
Until ...
I added another network card to the server machine and set it up as a router, where they will be placed once ready the router providing the internet connection doesn't have gigabit ethernet
So I figured if I had gigabit cards in the clients and a gigabit card in the server set up for the internal zone and providing routing, then the clients using it as their router the local stuff would be more responsive, especially as they are using an nfs share for /home
I set the clients up to use the server at 192.168.1.1 for their router and changing their own local ip addresses to suit, i.e. 192.168.1.2, 192.168.1.3 etc and rebooted
Nis and nfs were no longer working, so I logged on as the local user, ecky, who's home directory isn't in the nfs share but at /ecky, the internet connection worked fine and so did everything else, dns, proxy, etc
I tried changing the nfs share and nis server to the internal card's ip, 192.168.1.1 and that didn't work either
Samba shares work at both 192.168.0.2 and 192.168.1.1, so my problem is that nis logons and nfs mounts don't work from either address
I've tried to give as much info as possible on what I've done without being too confusing ... don't know whether I succeeded
Darned annoying cos it took me a day and a half to get the gigabit card to detect properly in one of the machines...
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Jul 1, 2010
My wireless is working well enough for me to post this, but does go down from time to time (still troubleshooting the cause.. may be a Cisco Anyconnect VPN client, or Amarok). From time to time the connection will just drop out, and I will have to reboot to get it to reconnect. In these times, dhcpcd eth1 ends up timing out, and if I look at the networkmanager log, that also shows a timeout. wllist scan will show the nearby APs, though, and iwlist will show the card as "connected" to an ap (ssid and all), but no pings will work and dhcpcd will continue to say it times out.Anyhow, I noticed that most of the time when I do a scan in Knetworkmanager, the attached screen appears - I am concerned, because I know that these are open APs, and also that it is showing quite a few too many. If I completely wipe Knetworkmanager and reinstall, are there any gotchas that might be worth knowing about?
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Feb 15, 2010
I am setting up a LAMP server for the first time and ran into an install problem for my application. Several directories for my app need write permission for the web server. The instructions say:"In linux, recommend changing owners of these directories to the web server. For example, in many linux OS's the web server user is apache', 'nobody' or 'www-data.' So, if apache were the web server user name, could use the command 'chown -R apache:apache directory_name' command.
I've tried all three, but with no luck. I haven't yet changed any server default settings. So, my question: what is the default server name in opensuse 11.2?
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Jan 8, 2010
I have had a notebook with an ethernet plugged in cable before, sent a signal through the cable by resetting my router, and it switched my notebook on from cold. My question is, is there a way of doing this using a remote desktop client. Ideally, I would like a machine switched off at home running suse linux/windows, then have a client computer sent the remote request, this in turn activates the machine, which boots and then gives the rmote client control.
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Feb 24, 2010
So here is what I am trying to do. I want to connect my Open Suse 11 machine to the internet. I am almost there.
1. I configured my network card and eth0 is up.
2. I configured my DSL with user name and password and I am authenticated.
3. An IP address is assigned to me and the DNS servers are retrieved.
However I cannot ping or visit any website I use the YAST automatic configuration and kinternet to connect. Here are the gritty details
[Code]...
I do see that kinternet has trouble reading /etc/resolv.conf. It says 'permission denied' although read permissions are set on both /sbin/route and the path that it links to. This should not matter however since the existing entries are already there and valid. I also tried to turn off the firewall suspecting it could be a problem.
So I am being authenticated successfully ( verified with the logs ); assigned an IP; the route seems ok; firewall seems ok. But I cannot browse or do internet things I have been tweaking settings for 3 days now and all seems in vain. Do enlighten me on what I am doing wrong. I bet its something silly that I overlooked. I have had success configuring the same thing in red hat linux and browsing the internet without trouble. Is there something OpenSuse specific that I am missing ?
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Mar 11, 2010
I am starting a MCSE course and part of it is to create and configure a domain etc etc I have done this and all my windows XP and 7 machines on my LAN are now functioning as part of the domain just great.
Unfortuntely, I have several Open suse machines which are currently not part of the domain yet (they are in a basic Workgroup).
get these computers onto the domain so that a user can log on using their domain credentials and I can apply security policies and what not?
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Mar 30, 2010
regarding a remote connection from my workplace to my home system. On my home a have a connection to the ISP and the provider is allocating a dynamic IP to my router. How can I connect from my work computer to the home computer? There are other application or other stuff for making this possible?
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Apr 23, 2010
I have been working on this for about 4 hours so I am extremely frustrated. I am trying to access windows shares from my linux box. I will worry about getting my own data shared afterwards.
I was having the authentication problem described by swerdna's sticky, and it was solved by the upgrade. However apparently that is not the main problem. samba is trying to use my ISP's DNS to resolve the internal network names. I have a vague conceptual understanding of WINS and NetBIOS - but Windows does this without any extra steps. Do I need to configure my machine to also act as a WINS? how do I do that? In my searches I found a thread about "why do windows to linux users give up?" this is why.
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Oct 22, 2010
I'm in the situation where I'm trying to create 2 private networks using ESX server, all behind a NAT router (static ips are used). I used an openSuse11 vm as a router and was able to configure it so that a machine on one private network was able to access the public network. The problem I have now it that I need to be able to access a machine on the private network from the public network using a different set of IP's.
So if a machine in the private network has an IP of 10.1.0.222 I should be able to ping it using 10.99.0.222 or some other IP. I have never done this before and after reading up on iptables and linux routing I feel more confused than before. Is it possible to add IPs to eth0 (public) and have them mapped to machines on a private network eth1 or eth
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Nov 4, 2010
I have created a small network using Win7 (not a home network, it's a workplace network), but cannot see the Win7 machine from my Linux box (openSUSE 11.3 32 bit). I am getting the error message "Empfangen der Speicherliste vom Server ist gescheitert" ("couldn't receive storage list from server" or so), wenn I try to connect via "Locations -> Server -> Windows Network -> 172.168.178.2 (which is the Win7 machines local IP address).
Disabling the firewall doesn't help.
My setup is a DSL router to which all my computers are connected.
Despite searching the inet for hours I couldn't find a solution.
Another problem is that from the Win7 machine I can only access the public folders on the Linux machine using the root login (not the user I used to make the folders public).
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Jun 21, 2011
i'm a very long time opensuse user (from suse 9.0)
i have two opensuse machine in the university network, both running 11.4,
i want to transfer some big files from one machine to another,
my firsy instinct was to install giver on both machine, but nothing shows up on both machine?
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Dec 5, 2009
I've been seeing a bunch of issues with the /etc/resolv.conf not picking up the nameservers for 3g connections, and managed to fix that issue using tips found here.. the one thing I m having a problwm with is my 3G USB modem not picking up a default route/gateway. I can connect using KNetworkManager, get an IP and nameservers, but.
[Code]..
And to top it all off, I cannot figure out what the default gateway should be from verizon to just write a script out myself that'll do it automatically.
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Jul 15, 2010
Okay something i find very odd. When booting the livecd network manager is there, i select my wireless net and connect. Yet i install and it doesn't appear, i click the network bit under the status tab of the computer menu and by default it's using ifup and not network manager...anyone else get that? Or is it supposed to be that way...seems rather unfriendly though.
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Dec 6, 2010
What is the default rsize and wsize for NFS v3 on openSusu 11.2?Or can someone tell me how to find the current rsize and wsize being used when they are not provided as an option when mounting the NFS.
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Apr 15, 2010
I set up a Samba server on my openSuSE 11.2 machine and I can connect to it locally with the local ip and with my actuall ip. My friend however cannot. I tried to have him ping my ip and that wouldn't even work. I'm confused and wondering why it doesn't work. We share a lot of files and this would make both of our lives much easier.
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May 18, 2010
It took me a while..But I finally got samba to be a pdc. I was able to join a test xp machine to the new domain samba made. That part worked well. In my Swat I added a samba new user and password. restarted samba etc.. Then tried to log in from the xp with the new user name as the password. As I hit enter im waiting for it to log in..the XP machine reboots. It seems to do that ever time I try. Im sure theres something not qit right in samba.conf or is it something else.
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May 24, 2010
I have one machine (out of a couple dozen) that continues to refuse to allow "vncserver :1" to start. It is perfectly happy with :2 - :9 but tells me :1 is already running - yet ps tells me that there is no running
Xvnc instance.
What have I done here and how do I get that session back? I've cleared the /tmp/.X11-unix entries but that did no good. Could I have checked something in Yast that is launching an invisible session?
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Apr 5, 2011
i have a suse 11.3 machine and i cannot set it to be a NFS server that is i cannot mount a directory of this machine on another one running as well a 11.3 while i can mount without problem a directory from 10.0.i do not know where to start as the NFS server option seems to have vanished from YAST.
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