This tutorial will explain How to redistribute routes in the configured OSPF area in Screenos (Juniper Firewall).

Procedure to follow

Configure an access list for the network to redistribute in OSPF:

WebUI:

Go to Network > Routing > Virtual Router > Access Lists.

CLI:

Set vr
set access-list
set access-list Permit ip
exit

Configure a Route Map and match the access-list to it:

WebUI:

Go to Network > Routing > Virtual Router > Route Maps.

CLI:

Set vr
set route-map name permit
set match ip
exit

Apply this Route-Map to the OSPF instance, in Redistribution rules, which is under the virtual router:

WebUI:

Go to Network > Routing > Virtual Router (OSPF)>Redistribution Rules and select the source protocol, from which the routes will be re-distributed to OSPF.

CLI:

Set vr
set protocol ospf
set redistribute route-map protocol exit

Example

Redistribute the 192.168.1.0/24 network to the 0 OSPF area. OSPF has to be correctly configured, prior to configuring the route export.

From the command line interface (CLI):

Define the access list to permit or deny specific network:

Lab->set vr untrust-vr [Enter]
Lab(untrust-vr)-> set access-list 10 permit ip 192.168.1.0/24 5 [Enter]

Define the route map to match the access list:

Lab(untrust-vr)-> set route-map name REDIS-TR-ROUTES permit 5 [Enter]
Lab(untrust-vr/Redis-tr-routes-5)-> set match ip 10 [Enter]
Lab(untrust-vr/Redis-tr-routes-5)->exit [Enter]
Lab(untrust-vr)->

Apply the route map to the OSPF instance:

Lab(untrust-vr)-> set protocol ospf redistribute route-map
REDIS-TR-ROUTES protocol import [Enter]

192.168.1.0/24 is the route import from the trust-vr; so, the protocol type is imported. Other protocol types include BGP, connected, and static.

The Essentials of IT Management Kit - 2012 Edition, brings together the latest in information, coverage of important developments, and expert commentary to help with your IT Management related decisions.

The following kit contents will help you get the most out of your IT Management research:

The iPass Mobile Enterprise Research Report
Best Practices for Successful Delivery of Email Through Your Web Application

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Login in to proxyav device

Now you need to click on Advanced from left side menu

Once it opens Advanced settings scree click on ARP table

In ARP table screen you can clear ARP table

This tutorial will explain How to Erase the Juniper firewallSystem Configuration Using the CLI.This solution applies to all Firewall ScreenOS versions.

Note: Only the configuration file is reset to the default status. All other aspects of the system remain, such as port modes, license keys, AV and DI databases, and attack databases.

Procedure to follow

• Connect to the device with a console connection.

• From the CLI, enter unset all; press ENTER.

• When prompted for Erase all system config, are you sure y/[n]; press y.

• Enter reset; press ENTER.

• When prompted for Configuration Modifies, save; press n.

• When prompted for System Reset, Are you sure; press y.

Note: Upon the system reboot, the configuration will be reverted to the factory default.

Note: The default IP address of the NetScreen device is 192.168.1.1, the admin name is netscreen and the password is netscreen.

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The Ubuntu team is very pleased to announce the release of Ubuntu 12.04 LTS (Long-Term Support) for Desktop, Server, Cloud, and Core products.

Codenamed “Precise Pangolin”, 12.04 continues Ubuntu’s proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. The team has been hard at work through this cycle, introducing a few new features and improving quality control.

Ubuntu 12.04 desktop installation screenshots Gallery

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MATE is a fork of Gnome 2.It provides an intuitive and attractive desktop to Linux users using traditional metaphors.

The name “MATE” comes from yerba maté, a species of holly native to subtropical South America. Its leaves contain caffeine and are used to make infusions and a beverage called mate.

MATE desktop environment screenshots gallery in ubuntu 12.04(precise)

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Window Switch is a tool which allows you to display running applications on other computers than the one you start them on. Once an application has been started via a winswitch server, it can be displayed on other machines running winswitch client, as required.
You no longer need to save and send documents to move them around, simply move the view of the application to the machine where you need to access it.

Key Features

Shadow an existing display or another session
Start sessions on remote (or local) machines using intuitive menus
Disconnect from those sessions and re-connect when you need them again
Send them to other machines with just one click
Stays out of the way using a single icon in your system tray

Install windows switch in debian squeeze

Open the terminal and run the following commands as root

Import the packager’s key:

curl https://winswitch.org/gpg.asc | apt-key add -

Debian Squeeze installation

echo “deb http://winswitch.org/ squeeze main” > /etc/apt/sources.list.d/winswitch.list;
apt-get update;
apt-get install winswitch

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Problem

When attempting to SSH to a ScreenOS device from a Cisco switch, the following error is reported in the logs:

Event Log on ScreenOS device (NetScreen):

system error 00528 SSH: Failed to negotiate host key algorithm with host x.x.x.x.

Cisco Switch Log:

SSH2 CLIENT 0: hostkey algo not supported: client ssh-rsa, server ssh-dss

Solution

Cisco client is using SSH-RSA , and ScreenOS device is using SSH-DSA (same as DSS).

ScreenOS supports SSH-RSA in SSHv1, and it supports SSH-DSA in SSHv2.

To find the version of the SSH and see the algorithm being used, run the following commands:

Example 1 DSA key:

get ssh

SSH V2 is active
SSH is NOT enabled
SSH is NOT ready for connections
Maximum sessions: 24
Active sessions: 0

get ssh host-key

DSA fingerprint:
finger_print = 37:23:74:ba:4c:a5:91:d1:ea:4e:a2:a8:46:58:4e:b1

Example 2 RSA Key:

get ssh

SSH V1 is active
SSH is enabled
SSH is ready for connections
Key regeneration time: 60 minutes
Maximum sessions: 24
Active sessions: 0

get ssh host-key

Length: 1024
Exponent: 65537
Modulus:

Key ID: 0F96C0C2EE54B93A1BB6

RSA1 key fingerprint:
15:07:33:d4:16:39:2b:cb:90:3b:4d:1d:b3:ef:67:22

In order to resolve this issue, the algorithm has to match. Therefore either set the firewall to SSHv1 or SSHv2 to match the Cisco unit, or you set the Cisco unit to match the firewall.

To change to SSHv1 you run the following commands:

delete ssh device all
set ssh version v1
set ssh enable

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Currently the following types of Administrator Levels available on NetScreen Firewalls

Root Administrator:

Can perform all executable commands on the NetScreen device.
Can create, edit, and delete other administrative accounts.

Read/Write Administrator:

Can perform read and write commands on the NetScreen device.
Cannot create, edit, or delete other administrative accounts.

Read-Only Administrator:

Can perform read only commands on the NetScreen device.
Cannot create, edit, or delete other administrative accounts.

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We can configure password complexity on the firewall, for admin users configured on the firewall, i.e. such as all admin users created should have minimum length of 8 and complexity such as 2 Uppercase 2 lowercase 2 alphanumeric and 2 non-alphanumeric

Password complexity means passwords must include at least two uppercase letters, two lowercase letters, and two

alphanumeric and two non-alphanumeric characters; for example: AAbb12@#. To require that passwords contain complexity,

you set complexity to 1. To unset the complexity requirement, set complexity to 0.

Run the following commands from the firewall terminal

set password-policy user-type admin minimum-length <length>
set password-policy user-type admin complexity 1
set password-policy user-type auth minimum-length <length>
set password-policy user-type auth complexity 1

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Windows 8 Consumer Preview is a pre-release version of Windows 8 that focuses on people and apps and gives you powerful new ways to use social technologies to connect with the people who are important to you. It’s Windows reimagined. Windows 8 Consumer Preview is built on the rock-solid foundation of Windows 7 and has the security and reliability features you expect from Windows, but we’ve made it even better. It’s fast, and it’s made to work on a variety of form factors—especially the new generation of touch devices.

Here’s your chance to be one of the first to try it out. We’ll be using information from preview users to make the final product even better.

Windows 8 Consumer Preview installation and desktop screenshot

You can download windows consumer preview from here

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The Lubuntu developers are moving quickly to bring you the absolute latest and greatest software the Open Source community has to offer. The Precise Pangolin Beta 2 release of lubuntu 12.04 gives a preview of the next version of Lubuntu.

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Lubuntu 12.04 (Precise Pangolin) Beta 2 Screenshots Gallery

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You can set up the BIG-IP® system to load balance passive mode FTP traffic. To do this, you perform the following tasks:

Create a custom FTP health monitor.

Create a pool for load balancing FTP traffic.

Create a virtual server for processing FTP traffic.

When you create the virtual server, you can configure it to use the default FTP profile. An FTP profile determines the way that the BIG-IP system processes FTP traffic.
This chapter describes how to create the objects listed above, using the default FTP profile.

Creating a custom FTP monitor

You can create a custom FTP monitor to monitor files on your FTP server.
To create a custom FTP monitor

1.On the Main tab of the navigation pane, expand Local Traffic, and click Monitors.This displays a list of existing health and performance monitors.

2.On the upper-right corner of the screen, click Create.This opens the New Monitor screen.

3.In the Name box, type a name for the custom monitor, such as my_ftp_monitor.

4.From the Type list, select FTP.This displays additional FTP monitor settings.

5.In the User Name box, type the logon name for the FTP server.

6.In the Password box, type the password for the logon name.

7.In the Path/Filename box, type the path and name for the file you want to monitor.

8.Verify that the Mode setting is set to Passive.

9.For all other settings, retain the default values.

10.Click Finished.

After you have created a custom FTP monitor, you can create a load balancing pool for your FTP traffic.

Creating a pool

To load balance passive mode FTP traffic, you create a load balancing pool. When you create the pool, you assign the custom FTP monitor that you created in the previous task.After creating the pool, you assign it to the virtual server that you create.

To create a pool for load balancing FTP traffic

1.On the Main tab of the navigation pane, expand Local Traffic, and click Pools.The Pools screen opens.

2.In the upper-right corner of the screen, click Create.

The New Pool screen opens.

Note: If the Create button is unavailable, this indicates that your user role does not grant you permission to create a pool.

3.In the Name box, type a name for the pool, such as ftp_pool.

4.For the Health Monitors setting, from the Available box select the name of the custom FTP monitor, such as my_ftp_monitor, and click the Move button (<<) to move the monitor name to the Active box.

5.Ensure that Priority Group Activation is set to Disabled.

6.For the New Members setting, add the pool members:

a)Click the New Address option.
b)In the Address box, type the IP address of a server in the pool.
c)From the Service Port list, select FTP.
d)Click Add.
e)Repeat steps b, c, and d for each server in the pool.

7.Click Finished.

Creating a virtual server

The next task in a basic configuration is to define a virtual server that references the FTP profile and the FTP pool.

To create a virtual server for FTP traffic

1.On the Main tab of the navigation pane, expand Local Traffic, and click Virtual Servers.The Virtual Servers screen opens.

2.In the upper-right corner of the screen, click Create.The New Virtual Server screen opens.

Note: If the Create button is unavailable, this indicates that your user role does not grant you permission to create a virtual server.

3.In the Name box, type a name for the virtual server, such as vs_ftp.

4.In the Destination box, verify that the type of virtual server is Host, and in the Address box, type an IP address for the virtual server.

5.From the Service Port list, select FTP.

6.From the FTP Profile list, select ftp.

This assigns the default FTP profile to the virtual server.

7.In the Resources area of the screen, locate the Default Pool setting and select the name of the FTP pool you created in the previous task (for example, ftp_pool).

8.From the Default Persistence Profile setting, select source_addr.

This implements simple persistence, using the default source address affinity profile.

9.Click Finished.

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This tutorial is a reference to understand which devices and versions can be managed by the latest NSM versions.

The table below is only for general NSM compatability information.

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Problem

We have installed two Juniper NSM 3000 devices in HA cluster with NSM 2011.1 S2 and everything is working fine.The only problem we have is this NSM configuration is not detected through https://nsmserverip/administartion/   .You can see this in the following screen

The reason for this issue is we didn’t use nsm_setup to install NSM central manager or regional server.

Solution

Run the following command from your terminal after logging in as root

#vi /usr/share/nsm-install-scripts/.mode

Change from

RS-unconfig

to

RS

Save and exit the file.

Now you need to close your administration page and relogin in to administration page now you should see similar to the following screen marked with red

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The Ubuntu team is pleased to announce the first beta release of Ubuntu 12.04 LTS (Long-Term Support) Desktop, Server, Cloud, and Core products.

Codenamed “Precise Pangolin”, 12.04 continues Ubuntu’s proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. The team has been hard at work throughout this cycle, introducing new features and fixing bugs.

This release introduces a new set of images for the ARMv7 “hard float” ABI, denoted as armhf. There are still some armel images around, as we finish the migration, but 12.04 for ARM will be based on armhf.

The technology that allows GPUs to go into a very low power consumption state when the GPU is idle (RC6) is now enabled by default for Sandy Bridge systems, which should result in considerable power savings when this stage is activated.

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This cheat sheet lists useful keyboard shortcuts for working on GIMP.

GIMP (GNU Image Manipulation Program) is a free image editing and manipulation tool editor which is often tagged as a free Photoshop alternative. It can handle essential image editing tasks like image resizing, editing, cropping, photomontages, and converting images between different image file formats. GIMP is freely available for most popular operating systems including Microsoft Windows, Apple Mac OS X, and Linux. Also with this free cheat sheet you will receive daily updates on new cool websites and programs in your email for free, courtesy of MakeUseOf.

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In this cheat sheet you will find a bunch of the most common Linux commands that you’re likely to use on a regular basis.

On most systems you can lookup detailed information about any command by typing man command_name. You will need to be root user in order to use some of these commands. Be extremely careful as root if you’re not 100% sure about what you’re doing. You can make your system unusable. Even if you have a dual boot setup you may not be able to access any of your installed operating systems. Also with this free cheat sheet you will receive daily updates on new cool websites and programs in your email for free, courtesy of MakeUseOf.

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Ubuntu is a free, open-source computer operating system with 20 million users worldwide.

This 30 page guide was written for beginners and will tell you everything you need to know about the Ubuntu experience. You will learn how to install and setup Ubuntu on your computer, find technical support in your community, understand the Ubuntu philosophy, navigate the Unity desktop interface and use Ubuntu compatible software programs. Also with this free guide you will receive daily updates on new cool websites and programs in your email for free courtesy of MakeUseOf.

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