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How to Disable or Enable the Password Recovery Procedure on Cisco Catalyst Switches. Enhance Your Catalyst Switch Security – Protect Configuration Files

Posted in Cisco Switches - Catalyst Switch Configuration

How to Disable or Enable the Password Recovery Procedure on Cisco Catalyst Switches. Enhance Your Catalyst Switch Security – Protect Configuration Files - 5.0 out of 5 based on 2 votes

disable or enable password recovery on Cisco Catalyst switchesOur previous article shows how to perform a password recovery on the Cisco Catalyst switches. This article will now explain how to disable or enable the Cisco password recovery service allowing network engineers and administrators to further secure their Cisco equipment.

The password recovery mechanism is enabled by default which means anyone with physical access to the switch is able to initiate the process and gain access to the switch or stack’s configuration. In some environments this might be a major security concern which is why Cisco provides the option to disable the password recovery mechanism.

In cases where the mechanism is disabled the only option available to gain access to the switch is to delete its startup configuration.

How to Disable or Enable the Password Recovery Service on Cisco Catalyst Switches

Disabling the password recovery mechanism is achieved by using the no service password-recovery command in global configuration mode as shown below:

Fix Cisco VPN Client Break After Windows 10 Anniversary Update 1607 – 'This App Can’t Run on This PC'

Posted in Cisco Services & Technologies

Fix Cisco VPN Client Break After Windows 10 Anniversary Update 1607 – 'This App Can’t Run on This PC' - 5.0 out of 5 based on 3 votes

Windows 10 latest update 1607 code named Anniversary update promises to introduce a number of significant enhancements including breaking your trustworthy Cisco IPSec VPN client. After installing the Anniversary update users will receive a familiar message from the Compatibility Assistant:

This app can’t run on this PC. Cisco VPN Client doesn’t work on this version of Windows

Figure 1. This app can’t run on this PC. Cisco VPN Client doesn’t work on this version of Windows

The good news is that what you’re reading is not true – While Windows 10 does in fact disable the application, getting it to work again is a very easy process and very similar to installing the client on the Windows 10 operating system.

The following steps will help rectify the problem and have your Cisco IPSec VPN client working in less than 5 minutes.

Windows 7 32bit & 64bit users can read our Cisco VPN Client Fix for Windows 7 Operating System.

Windows 8 32bit & 64bit users can read our Cisco VPN Client Fix for Windows 8 Operating System.

Windows 10 Anniversary users without the Cisco VPN Client should read our article How to Install and Fix Cisco VPN Client on Windows 10.

Step 1 – Download and Extract the Cisco VPN Client

Head to the Firewall.cx Cisco Tools & Applications download section to download and extract the Cisco IPSec VPN Client installation files on your computer. The Cisco VPN installation files will be required for the repair process that follows.

Note: The Cisco IPSec VPN Client is offered in a 32Bit and 64Bit version. Ensure you download the correct version for your operating system.

Step 2 – Repair The Cisco VPN Client Application

After the file extraction process is complete, go to the Windows Control Panel and select Programs and Features. Locate the Cisco Systems VPN Client, select it and click on Repair:

Initiating the Repair of the Cisco IPSec VPN Client

Figure 2. Initiating the Repair of the Cisco IPSec VPN Client

The repair process will ask for the location of the Cisco VPN installation files – simply point it to where the files were extracted previously e.g c:\temp\vpnclient.

At this point the Windows 10 User Account Control will prompt for confirmation to allow the Cisco VPN application to make changes to your device. Click Yes to continue:

Password Recovery / Password Reset Procedure for Catalyst 3750-X or 3560-X Switches - Single or Stack Member Configuration

Posted in Cisco Switches - Catalyst Switch Configuration

Password Recovery / Password Reset Procedure for Catalyst 3750-X or 3560-X Switches - Single or Stack Member Configuration - 5.0 out of 5 based on 3 votes

cisco-catalyst-3750-x-3560-x-password-recovery-1This article shows how to reset a password on a Cisco Catalyst 3750-X (stacked or single unit) and Cisco Catalyst 3560-x switch without losing its startup configuration. The Cisco password recovery procedure involves interrupting the switch’s normal boot procedure, renaming the flash:config.text (that’s the startup-config file for switches) to something else e.g flash:config.text.old so that the configuration file is skipped during bootup.

Once the switch has loaded its operating system we can enter privileged-exec mode, rename back the flash:config.text.old to flash:config.text (startup-config), copy the startup-config file to memory (DRAM), make the necessary password changes and save the configuration.

Password Recovery – Reset Procedure

The procedure described below assumes the password recovery mechanism is enabled (by default, it is) and there is physical access to the switch or stack (3750-X only).

Note: If this procedure is being performed on a 3750-X stack, it is important to understand that all switches participating in the stack should be powered off and only the Master switch is powered on when initiating the password recovery procedure. The Master switch can be easily identified by searching for the switch with the green “Master” LED on.

Step 1

On a 3750-X switch, Power off the entire stack or standalone switch. On a Catalyst 3560-X switch, power off the switch. Connect your console cable to the switch – 3750-X Master or the standalone switch.

Step 2

Reconnect the power to the switch (standalone 3750-X or 3750-X) or stack master (3750-X stack only). Within 10 seconds, press and hold the Mode button while the System LED is flashing green. After the System LED turns amber and then solid green, release the Mode button.

If the process has been followed correctly, the following message should be displayed:
The system has been interrupted prior to initializing the flash file system. The following commands will initialize the flash file system and finish loading the operating system software:
 
flash_init
load_helper
boot

Step 3

Now initialize the flash file system, rename the startup configuration file (config.text) and boot the IOS:

Differences between Network & Web Application Security. Comparing Network Security with Web Security

Posted in Web Application Vulnerability Scanners

Differences between Network & Web Application Security. Comparing Network Security with Web Security - 4.7 out of 5 based on 3 votes

netsparker-network-security-vs-web-security-1According to Wikipedia, security is defined as the degree of resistance to, or protection from, harm. It applies to any vulnerable and valuable asset which in almost all cases, will include an organizations’ website, web service and IT infrastructure.

At the same time, it is important to realize that security is a very broad term. Many people mistakenly associate network security with web application security. While there are some similarities, there are also many distinct differences that necessitate a unique approach to each. The assumption that a secure network results in a secure web application and vice versa is a critical mistake.

In this article, we are going to look at what makes web application security different from network security and why an approach that addresses both is the only way forward when it comes to maintaining an effective overall IT security posture.

What is Network Security?

Network security can be either hardware based (routers with a built-in firewalls, network intrusion and detection systems) or software based. Because network security has been around for a very long time, it’s often the first thing that comes to mind when people think about security. Web application security on the other hand, is a relatively new challenge.

Much like a moat, curtain wall and portcullis protect a castle, network security plays the important but restrictive and limited role of keeping the bad guys (hackers) out and allowing the “good guys” to enter. In the DMZ environment there’s an overall focus on protecting the perimeter that surrounds the website, web application or web service with the help of a Firewall security appliance. Although this works well in some instances, Firewall security appliances are no longer considered an adequate solution because they are unable to protect organizations from their own vulnerable web services or web application servers.

Minimise Internet Security Threats, Scan & Block Malicious Content, Application Visibility and Internet Usage Reporting for Businesses

Posted in GFI WebMonitor: Web Security & Monitoring

Minimise Internet Security Threats, Scan & Block Malicious Content, Application Visibility and Internet Usage Reporting for Businesses - 5.0 out of 5 based on 2 votes

gfi-webmonitor-internet-usage-reporting-block-malicious-content-1aFor every business, established or emerging, the Internet is an essential tool which has proved to be indispensable. The usefulness of the internet can be counteracted by abuse of it, by a business’s employees or guests. Activities such as downloading or sharing illegal content, visiting high risk websites and accessing malicious content are serious security risks for any business.

There is a very easy way of monitoring, managing and implementing effective Internet usage. GFI WebMonitor can not only provide the aforementioned, but also provide real – time web usage. This allows for tracking bandwidth utilisation and traffic patterns. All this information can then be presented on an interactive dashboard. It is also an effective management tool, providing a business with the internet usage records of its employees.

Such reports can be highly customised to provide usage information based on the following criteria/categories:

  • Most visited sites
  • Most commonly searched phrases
  • Where most bandwidth is being consumed
  • Web application visibility

Some of the sources for web abuse that can be a time sink for employees are social media and instant messaging (unless the business operates at a level where these things are deemed necessary). Such web sites can be blocked.

GFI WebMonitor can also achieve other protective layers for the business by providing the ability to scan and block malicious content. WebMonitor helps the business keep a close eye on its employees’ internet usage and browsing habits, and provides an additional layer of security.

On its main dashboard, as shown below, the different elements help in managing usage and traffic source and targets:

WebMonitor’s Dashboard provides in-depth internet usage and reporting

Figure 1. WebMonitor’s Dashboard provides in-depth internet usage and reporting

WebMonitor’s main dashboard contains a healthy amount of information allowing administrators and IT managers to obtain important information such as:

  • See how many Malicious Sites were blocked and how many infected files detected.
  • View the Top 5 Users by bandwidth
  • Obtain Bandwidth Trends such as Download/Upload, Throughput and Latency
  • Number of currently active web sessions.
  • Top 5 internet categories of sites visited by the users
  • Top 5 Web Applications used to access the internet

Knowing which applications are used to access the internet is very important to any business. Web applications like YouTube, Bittorrent, etc. can be clearly identified and blocked, providing IT managers and administrators a ringside view of web utilisation.

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