Networking :: How To Check If Iptables Is Currently Active

Jan 12, 2011

I'm new with linux, I just want to know how to check if iptables is currently active, and how to disable it ?? I'm using SUSE 10.

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Ubuntu Networking :: Check The Network Connection Applet, It Display Active Information Of Eth0?

Jun 7, 2010

I have a question regarding the configuration of Network Connection. My wired connection is fine right now and when I check the network connection applet, it display active information of eth0. However, when I click the Configure button, the Network Connection window appears but there's nothing in the Wired panel. Should there be a eth0 in that panel? I remember I had one before, but after I messed with some configuration of VPN, my network became unstable and I remove the Network Manager to try to solve the problem. Since then, there's nothing in my Network Connection window, though I can still connect to my router with eth0. Now even after I reinstalled the Network Manager, I still don't get anything.

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Ubuntu :: 10.0.4 - Iptables Script Loaded / Not Active

Nov 26, 2010

When i run my iptables script using fw builder (=installed on my router/server) everything works fine...until i reboot (nomather "test run" is active or not) to counter this problem i'm using the 'iptables-restore' in the "interfaces" file. upon reboot a "iptables -L" confirms me the correct rules are loaded.

However... tests (eg ping test from an ethx interface) to the outside indicate the script does not seem to be working. upon installing the script with fwbuilder this works again fine....i see no difference in the route table nor do i seen anything suspicious in the syslog. restarting the "network" does not solve anything either

I have seen posts about an you need to activate it by using "/etc/init.d/iptables save active" but theres no iptables in that location. only /sbin contains that program.

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Software :: Check If A Port Is Allowed In Iptables?

Aug 23, 2010

I want to check if a port is allowed in iptables. How to do this?

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Security :: Iptables: Verify Traffic On Port To Check If It Is Legitimate For That Port?

Apr 18, 2011

Is there any way to verify if packets being trafficked over a certain port are valid for the service you want to use this port for?

One obvious example that probably clarifies my question:
When I open port 443 (outgoing or incoming) for https/ssl traffic, I don't want this port to be used for say openvpn traffic.
Thus: when someone wants to surf to a website with https, it should be ok but if someone wants to connect to his home openvpn server over that same port, it should be blocked.

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Ubuntu Servers :: MySQL - Setup An Active / Active Load Balanced And High Available?

Mar 11, 2011

how to setup an Active/Active Load Balanced and High Available (If one of the nodes is down the system still runs) MySQL cluster. I have found quite a few howto's but I have some things unclear in my mind. I found a few solutions like this one: [URL] or this: [URK] Those are using two or four MySQL nodes, two Load Balancers to avoid a single point of failure but only one MySQL cluster management server. What happens if the MySQL cluster management fails?

I have also found a "MySQL Master-Master Circular Replication" technique but from what I read, with this option there is a chance that conflicts will arise if node A and node B both insert an auto-incrementing key on the same table.

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Networking :: IP Address Active But Not Seen?

Sep 20, 2010

I have a 2 node Oracle cluster running on RHEL 5.4. One server went down the other day, and then restarted. Virtual IP address switched to the other node as it should, but did not switch back where the failed node came up - problem is the ip address is still on node 2, but I cannot see it or down the interface as it does not show up with ifconfig -a. I would expect to see it on eth0:2 but only eth0:1 is showing up with the correct vip for the node. ifconfig -a on node 1 shows n vip configured. I can telnet to this ip address and login, so know it is still on node 2, so why can't ifconfig -a show it, which interface is it on, and how do I remove it so I can get it back on node 1

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Fedora Networking :: LAN Connection Is Not Active

Dec 24, 2009

First time I installed Fedora 12 and I am new to Linux OS completely. The LAN (ethernet) is coming by default and it's status is inactive. When I click on icon, it tries to connect and then shows status still as inactive. Where as my internet works in Win XP. What do I do for making it active. Second, when I try to install xDSL package for my BSNL broadband, the package is not available. Where do I get this package?

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Fedora Networking :: Ethernet Will Not Become Active

Jan 5, 2011

Currently I am working at a college as a student worker, and one of the classes that needs to take place requires that Fedora 12 be installed. Now, this isn't greatly important, but so far on a few of the installs I cannot get the Ethernet device to actually become active. I've tried restarting the computer, reinstalling Fedora 12, and going into the actual network area to click on "Activate" but it is grayed out. So currently, a few machines cannot connect to the internet - including the professor station. I'm not entirely sure what to do here, since most other posts I have read reported that they were able to actually click on "Activate" and it would work.

Right now, the computers are connected to the internet. The jacks do work as they were tested with computers that are able to connect to the net themselves. These computers NICs do work too as we have separate hard-drives in them booting into XP, which do connect to the net without problem.Any help would be appreciated. If anymore information is required, please let me know. I'll do my best to provide you with this information.

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Ubuntu Networking :: Active Directory And PAM Set Up

Nov 16, 2010

I have set my Ubuntu 10.04 box with our Windows domain. I can see from "net ads info" that I am on the domain. I can also get the password and group info with getent.So far so good. But I have tried to configure pam basically by following this guide:http://www.ccs.neu.edu/home/battista...nbind/pam.html

Yet when I try to su or login as an AD user I just get and immediate "Unknown id: <userid>".I have had a look at /var/log/auth.log and there are no errors there.Can anyone provide some tips on debugging the pam configuration?

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Ubuntu Networking :: Driver Is Active But Not Currently In Use?

Dec 10, 2010

I have a Realtek nic in my laptop. When i look at additional drivers it says the driver is active but not in use. How do i make it use this driver and always use this driver?

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Networking :: Fedora 13 NIC Not Active At Boot

Jun 15, 2010

Most of my experience configuring network settings has been through various GUI tools available in GNOME and KDE. I have some older hardware that will not run KDE or GNOME and I am trying to configure the NIC. I have installed Webmin to try to configure the interface, and it does fine for setting a static address or DHCP address, but the interface (eth0) is not active at boot.

As soon as I run ifup eth0, it will use the assigned IP or pull DHCP based on settings, but I can't seem to get it to automatically activate at boot. And yes, /etc/sysconfig/network-scripts/ifcfg-eth0 does have ONBOOT=yes set. I need two things...

1 - are there any good cli tools, ncurses or such like netcfg I can install to manage the interface (I have tried the network manager cli tools, maybe I just don't get it, but that isn't working so good for me)

2 - how to make the interface activate at boot.

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Fedora Networking :: Keep Connection To Router Always Active?

Aug 20, 2010

Most of the time when I go back to my computer, eth0 has disconnected if left overnight or several hours, and takes around 30 secs to reconnect to my router, finding it a little annoying as the reason I leave the computer on is for quick access to the internet.My computer is connected to the router via an ethernet cable.Used Mandriva and Windows XP on this same hardware for awhile and never came across this.How do I keep the connection to the router active?

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Ubuntu Networking :: Active Directory And Wireless?

Feb 24, 2010

I am running the Ubuntu Netbook Remix and setting up our systems for Active Directory Domain Authentication. When I am hard wired in (ethernet), AD authentication works with no problems using the Likewise-Open software (installed through Ubuntu Software Center). What I want to be able to do is have people authenticate with AD with only a wireless connection. Has anybody done this before?

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Ubuntu Networking :: Broadcom STA Driver Active But Not In Use?

Oct 16, 2010

After trying to make audio output work on Lenovo b560 notebook I finally succeeded but the wireless stopped working. The driver was removed. I tried to follow the instructions from Broadcom http://www.broadcom.com/docs/linux_sta/README.txt and it started showing the driver in admin - drivers, it shows that it is activated but not in use, but once I get to this point

"modprobe wl"
it shows this:
install /sbin/modprobe --ignore-install wl
insmod /lib/modules/2.6.32-25-generic-pae/updates/dkms/wl.ko
FATAL: Error inserting wl (/lib/modules/2.6.32-25-generic-pae/updates/dkms/wl.ko): Unknown symbol in module, or unknown parameter (see dmesg)

[Code]...

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Networking :: Active Directory Connection And Configuration?

May 13, 2010

I have successfully connected (and authenticated the user) from linux (Ubuntu) to Active Directory (windows 2003) using "Likewise Open".

1. at the login screen I have to enter "example.localusername" to login. how can I simplify the login so that the user can choose (click)the domain and just enter the username and password (like the login in windows) or make the domain the default.

2. how can I configure the default user profile? meaning, when the user login for the first time, I want to configure his profile. does it use the "/etc/skel" directory like the regular local login?

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Networking :: Authentication Active Directory With Opensuse ?

Jan 11, 2011

What is the The easiest way to authentication Active Directory with opensuse.

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Networking :: Desktop 10.04 Can't Join Active Directory

Jun 1, 2010

But here is my problem... I have a windows 2003 server mini tower ATX running VMware workstation 7.0 that has a Ubuntu server 32-bit and a Ubuntu desktop; both versions are 10.04. Now, my ubuntu server edition joins active directory just fine, but my ubuntu desktop does not.

Here is my /etc/samba/smb.conf file:

[Global]
workgroup = XXXXDELIGHT
security = ads
realm = XXXXDELIGHT.BIZ
idmap backend = lwopen

[Code]....

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Networking :: Finding The PPTP Active Connections?

Sep 29, 2009

I've created VPN server(PoPToP version 1.3.3) using webmin and all clients are connected successfully. I want to check "current active connections" from CLI(command line interface). what is the command to list all active connections.

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Networking :: Openvpn - Newtorkmanager - No VPN Connection Was Active

Jul 12, 2011

I am having problems setting up openvpn with networkmanager. I am running fedora15 with the newest networkmanager. Okay here is some info...

openvpn runs at boot time no problem...

Here is a copy of the boot time message from /var/log/messages

Code:

Here is a copy of tun0 from the ifconfig, and also you can see that openvpn is running from the command "netstat -ntl"

Code:

Here is the options i am using for server.conf for openvpn.

Code:

Okay well when i try to add openvpn to network manager i select the openvpn option and it ask for the required fields.

For gateway i am using -> 10.0.0.0

ALL other options i am just using the defaults...

Now i am not sure if they options that i am using is correct... if anyone has any input i would love to hear some.

Now when i try to start New VPN Connection from network manager it fails to connect and here is what i am getting from /var/log/messages

Code:

If you want to recommend command line options instead of using the network manager gui i am okay with that...

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Networking :: Using Windows Active Directory Groups

Apr 21, 2010

The scenario is I have a Windows Server 2003 Domain Controller which runs ADUC. I have created some security groups which I would like to apply to my network shares. The problem is, the majority of my network shares are based on Open Suse machines which, although are part of the domain, when trying to configure the shares using SMB, do not allow me to select the Active Directory groups. Any solution which will allow me to use ADUC security groups?

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Networking :: VPN Active But No Remote Desktop Connection?

Feb 27, 2010

I am trying to connect to my Company network through VPN. I use a Lynksys router which is most likely not the problem, as I can get the VPN and Remote Desktop to work from a WinXP Pro laptop connected to the same router. I have tried several RDC clients, none of them establish a connection. The VPN connection is active, I can ping and Traceroute to it , but I cannot get the RDC to work. The RDC should connect to 189.0.0.10 on the company network.

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Fedora Networking :: Connection Eth0 Never Active On Boot

Jul 16, 2011

I am trying to sort out some issues following an upgrade from F12.

I have eth0 as the connection I want to use. Prior to the upgrade, this connection was enabled and active at boot.

Now, for some reason after the upgrade it has to be manually enabled at every boot - even though when I go the Network tool, Ethernet Device > General tab - "Activate device when computer starts" is checked.

At every boot time it is inactive.

In all the ifcft-eth0 files, the ONBOOT parameter is set to "yes".

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Ubuntu Networking :: Asus USB-N13 Not Showing As Active But Is Detected

Apr 30, 2010

I recently purchased an Asus USB-N13 and am having some trouble getting it setup. I have followed this post [URL] including downloading the driver version, but I am now a little stuck. This is a laptop which used to have a Netgear Wg111v2 wireless USB adapter (laptop does not have internal wireless). That adapter died so I purchased the Asus. The day I purchased the Asus adapter they were both plugged in at the same time for a short period - not sure if that is relevant or not but just thought I should let you know. Here is some output from various commands:

lspci

Code:

ron@ron-laptop:~$ lspci
00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O Controller (rev 21)
00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP Controller (rev 21)

[code]....

I have restarted a couple of times with it plugged in and with it not plugged. At no time does it show in the Network Manager aplet.

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Ubuntu Networking :: Eth0 Active But Can't Connect To Internet In 10.04?

Jul 16, 2010

i was using ubuntu 9.10 till recently when i decided to upgrade to ubuntu lucid 10.04. turns out the internet icon shows connected after fresh installation but when i try to use firefox , after an long wait it shows server not found. i did a research of my own and found that i am not able to ping even my router.using sudo dhclient eth0 doesn't recieve offers , but surprisingly when i tried dhclient eth0 in root shell with networking internet got configured very quickly and i can ping the router and any website.i forgot to mention i have a wired connection which i am trying to connect and the net is working fine with windows 7 on the same PC.

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Ubuntu Networking :: Active FTP With Nautilus / Connect To Server?

Jul 16, 2010

I need to connect to an FTP server that only accepts active FTP connections. (In Windows, I have to uncheck the "use passive FTP" option in Folder Options in order to connect) Is there a way to do this with Ubuntu's Connect to Server system/Nautilus? I would like to be able to interact with the files as if they were local, as I can on other FTPs and on Windows.

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Ubuntu Networking :: Asus Pce-n13, RaLink/RT2860 Not Active?

Feb 5, 2011

Just built a new computer and I think I somehow need to activate my wireless card to get it working.The hardware seems to show up. I get "Wireless Networks" in my network manager but it is grayed out and says disconnected. I think it is an easy fix I just cannot find it.

[Code]...

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Ubuntu Networking :: Linksys DHCP Active IP Table?

Apr 3, 2011

I recently acquired a Linksys BEFW11S4 v.4 router which I am using for my wired home network (wireless is turned off). Yesterday I was checking my router settings and I noticed under "Status>DHCP Clients Table>DHCP Active IP table" there was a weird looking Client name. I deleted it and when I checked back this morning it was there again. I checked my devices (PC, router, Xbox) and none have this MAC. How can someone connect to my wired network when wireless is disabled and I have changed my SSID and created a very strong password? Wouldn't someone need to know my SSID/ password? I do not have a WEP passphrase currently, but I felt it was not necessary since my network is wired.

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Ubuntu Networking :: SSH Drops Active Connections But Still Pingable?

Jul 24, 2011

On every machine that SSHes in, the connection gets dropped randomly between immediately, and 30 minutes into the session, while the user is actively using the remote system (typing, etc). Before, during and after the disconnection, the system responds to pings regularly (0% packet loss).It takes about 5-10 minutes before I can make an SSH connection again.I have tried restarting SSH on the server and rebooting the server. I even removed and reinstalled sshd and it is still happening.What might be causing these random disconnects and how might I solve this?

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Networking :: Active FTP Using Raw FTP Commands / Turn Off Passive Mode Using It?

Apr 1, 2009

Can anybody have an idea of an ftp client code using raw ftp commands.

OR
Can anybody tell me how to turn off passive mode using raw ftp commands.
PASV is the command which turns on passive mode but there is no such alternative of active mode.
I have already tried using pasv_enable=NO in vsftpd.conf but that is not working.

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