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Showing posts from May, 2009

Check Accessibility Of a Website In Every Countries

If you are a webmaster, it is important to make sure your site is accessible in all countries. Some countries are notorious to filter websites which they believe to have content against their national interests. This tutorial introduces a handful of online tools which test the availability of a domain in various countries. Most of these tools are free to use. These tools also help you to find out the domain status like whether the website is up or down in case if you are facing issues to load it on your computer. Now let us check the tools.

Watch Mouse

Just Ping

Website Pulse
Let us examine the working of them with examples.

 Watch Mouse

Watch Mouse is a free online tool which connects with different workstations located in the major countries. Watch Mouse is working on the basis of ping reply from a website, send from workstations in various countries. Watch Mouse cannot tell the exact status of a website which disabled the ping reply feature. The output of the ping operation done by Wa…
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Access Blocked Website Even If Domain and IP Are Blacklisted

If you are working behind a corporate firewall, most of your favorite websites might be blocked. It is true for offices, schools or colleges where even the domain name and IP address are blacklisted to prevent students and staff from going to certain websites like Facebook, Twitter, Naukri, PayPal etc. Another genuine need to access blocked websites is when a domain name is blacklisted by Internet Service Provider without user permission and the technical support is unable to unlock the ban. For a normal user, proxy software is enough to bypass the firewall block but think of a situation where you cannot use a proxy because either you do not have enough privilege to install a proxy application or all available web-based proxy servers are banned. It is really a frustrating situation. You do not need to worry even if proxy fails, there is another method to bypass the restriction even if the desired domain name and website IP address are blocked.

Steps to Access blocked Domain Use Tor

This…
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How to Access Blocked Websites Through Mowser

There are so many restrictions to access the Internet in schools, colleges, workplaces, etc.. as the part of their Internet security policies. It is not rare, they may even stop us from accessing very important websites due to configuration mistakes or stringent policies. We can access blocked websites through proxies but this article tells a different method to bypass the firewall restriction. Most firewall products do not block the mobile version of websites and we can use this advantage to access blocked websites at workplaces. One online service which lets us load any website in a mobile format is Mowser.


We can use Mowser without knowing any technical knowledge. All you have to do is access the Mowser and type the website URL you want to convert to the mobile version. The link to access Mowser is:

http://mowser.com
The mobile version of a website via Mowser looks like:



To use the proxy tools to bypass the restriction, click on the links below.
Available free Proxy Software Tools

To…
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Can't Access Certain Websites Through Linksys WRT54G Router

Last week, I had added one more router to expand my office network but faced an unexpected issue. I purchased and configured Linksys WRT54G wireless router to add more computers to my LAN but after configuring it, devices connected to the Linksys router were facing troubles with accessing certain websites. Those computers connected directly to the modem are facing no problems with accessing those websites but only those behind WRT54G are having this trouble. It took me one day to find the reason and fix that. This guide explains this issue in details with step by step instructions if Linksys Device blocks some websites.

Linksys WRT54G Router Blocks Some Websites
Due to the following reasons, a router may block some websites on computers connected to it.
The browser security might be set high.

The MTU (Maximum Transmission Unit) set is improper.

Some ports are blocked (mainly 443 SSL port).
Solution
I recommend you to follow the steps below to resolve this issue.
Set browser security to med…
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Port Forwarding on Linksys WRT54G Wireless Router

Linksys WRT54G wireless router has an inbuilt firewall and NAT feature which may prevent certain online applications from running. For example, if you are a hardcore gamer, you may find issues with playing online games through a Linksys router. It is because some ports which must be opened for the smooth playing might be blocked by Linksys router firewall. For the protection of devices connected to WRT54G, built in firewall allow traffic through only known ports and any application which use uncommon ports are blocked by default. If you want to open any blocked port number on a Linksys WRT54G router, follow the instructions provided in this tutorial.

Port Forwarding
Log on to Setup Page

Use the IP address 192.168.1.1 or the instructions provided in the link below to login to the setup page.
How to login Linksys Setup Page.

Click on Applications and Gaming

Click on port range forward



Enter the details of the port which we need to forward as shown in the image.


After entering the port details …
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How to Fix Ping Transmission Failed Error Code 31

The possible reason for Ping: transmit failed, error code 31 is the corrupted Ethernet adapter driver installed on your computer. In order to resolve ping error code 31, you should uninstall the Ethernet adapter driver installed on your computer and reboot the system. After rebooting you need to re-install the adapter driver. The steps are listed below.

Right click on my computerClick on propertiesClick on the hardware tabClick on Device ManagerUninstall the adapter by right click on it from device managerReboot
To learn various methods to access device manager, follow the instructions provided in the link below.
How to Access Device Manager

Now we need to reinstall the Ethernet adapter driver to complete the solution for Ping error code 31. To complete this step, follow the instructions below.

Download latest Ethernet driverRight click on Ethernet adapter in Device manager (It may be listed in yellow color) and click on Install driver
To learn more about reinstalling or updating Ethern…
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Ping Gives Hardware Error - Reasons & Resolution

When you ping from your computer to another device in the network, rarely you may receive one strange error Hardware error instead of proper replies from the destination device. In most cases, ping hardware error is followed with disabled Network Adapters. Some users report they see hardware error when they ping from a computer just after waking the system from sleep mode. You may also receive hardware error when you ping with an unplugged Ethernet cable on a computer. So let us check the common reasons for getting hardware error while you ping a different IP address from a computer and also find the fix. To get a better view of the Ping Hardware error, look at the image below.


Microsoft Windows [Version 6.1.7600] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Documents and Settings\vi83>ping 4.2.2.2 Pinging 4.2.2.2 with 32 bytes of data: Hardware error. Hardware error. Hardware error. Hardware error. Ping statistics for 4.2.2.2: Packets: Sent = 4, Receiv…
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Ping Error Code 2 - ICMP Error Message Tutorial and Solution

If you get error code 2 while pinging to an IP address from the command prompt, follow the steps below to troubleshoot it.

Resolve Ping Error Code 2

Follow steps below to resolve ping error code 2.

Perform Winsock reset

Open the command prompt and type the following command netsh winsock resetReset TCP/IP suite :

To perform this type the following command on your command prompt and press enter netsh int ip reset c:\tcp.txtReboot your computer and check for the issue.Uninstall and Reinstall NIC:

The final solution is to uninstall and reinstall Network Adapter driver on your computer. The following link will help you to do this.
How to Uninstall and Update DriverDisable Firewall:
If the issue persists we need to disable the firewall installed on your computer and check for the issue.

Just like ICMP error code 2, there are many other Ping error codes. It would be fine if you are familiar with the most common ICMP error messages. The below link tells how to fix Ping error code 31.
How to Fix ICM…
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PING: transmit failed, error code 65 - ZoneAlarm effect

This article is about a usual ping request error " transmit failed, error code 65". This error is mainly shown in computers where ZoneAlarm is installed. When we ping to a neighbor computer or any other networking devices we will get the error code 65 and ping request will not complete. It would look like:

c:\ ping google.com

PING: transmit failed, error code 65
PING: transmit failed, error code 65
PING: transmit failed, error code 65
PING: transmit failed, error code 65



Conditions for ping transmit failed, error code 65


According to support.microsoft the major conditions for error 65 are:

1. The Internet Connection Sharing (ICS) feature is enabled
2. Firewall software from Zone Labs is installed on the computer.
3. The ZoneLabs firewall software is not correctly configured for ICS.


Troubleshooting steps for error 65

The major troubleshooting steps for transmit failed, error code 65 is:


1. Disable ZoneAlarm and check for the issue.

2. Disable the Startup type service

As a wor…
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ping; transmit failed, error code 10045 solution of the error

The possible step to fix the error code 10045 is to remove TCP/IP protocol and reload it with some other minor tries.


Steps to fix the error "ping; transmit failed, error code 10045"


The way we troubleshoot the error message is:


1. Disable the Firewall on your computer

2. Perform a Winsocket rest and check for the issue


To perform Winsock reset type the command "netsh winsock reset" on command prompt without"" and press enter.


3. Remove TCP/IP suite on your computer

To remove the TCP/IP suite on your computer type "netsh int ip reset c:\tcp.txt" on command prompt without "" and press enter.


4. Reboot your computer

Other Ping Error codes

1. Ping Transmission failed error code 31

2. Ping gives hardware error

3. Ping Error code 65 - ZoneAlarm Effect

4. ICMP error Request Timed Out


No:Recent Posts Destination Net UnreachableRequest Timed OutGetting 169.254.X.X (APIPA) Windows Automatic Private IP AddressPing Gives Hardware ErrorSetup Idea…
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What is Request Timed Out? -Reason and Solution

Request Timed Out is one of the common ping replies while pinging to a remote computer from your computer to troubleshoot a network connectivity problem.

The ping reply Request Timed Out means there is no reply from the destination host for your ping packets. Your computer waited for the reply to the ping packets you sent but failed to receive any.

It can happen due to multiple reasons. In this article, I will explain the possible reasons to get a ping error message Request Timed Out and how to fix it.

To get a better understanding of this error, have a look at the screenshot attached below.



On Command Prompt, I ping the IP address 4.2.2.2, and you can see the reply I received.

C:\corenetworkz>ping 4.2.2.2 Pinging 4.2.2.2 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 4.2.2.2: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), C:\corenetworkz>
Before explaining how to fix the ping reply Request…
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How to Solve Destination Net Unreachable - Ping Error Message

Destination Net Unreachable is one of the common ICMP error messages when you ping to a remote address. This tutorial explains the meaning of the ICMP error message Destination Net Unreachable and teaches how to fix it.

The first part of this tutorial explains why do you receive Destination Net Unreachable error while you ping a web address. The second part of the tutorial explains how to solve this error. Let us check what does the error message means?

What is The Meaning of Destination Net Unreachable Message?
This error message tells the ping request from your computer failed to find the route to the destination network.


Reasons for the ICMP echo Destination net unreachable
The ping packet couldn't find the destination network due to any one of the following reasons.
Packet Routing issue

Destination network path might be down

An outdated Routing table on the default gateway with no route to the destination

Technical Explanation of Destination Net Unreachable
When you ping to an IP…
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Destination Host Unreachable Error Message- Reasons and Solutions

While troubleshooting network connectivity problems, you might have received Destination Host Unreachable error message as the ping reply. This tutorial teaches you the meaning and the solution for this error.

The error message Destination Host Unreachable tells that the ping request from our computer cannot find the route to the destination IP address(destination host).

It means, the Packet send from your computer reached the destination network successfully, but the remote gateway failed to find the destination host. So the remote gateway sends an Echo message Destination host unreachable.

Let us check the reason for getting Destination Host Unreachable error on your computer?


Reasons For Getting Destination Host Unreachable Error MessageThe ping packet find the destination network but failed to find the destination host

Packet Routing issue on Remote gateway

Destination host might be down

Connection issues
One of the frequent questions I received from our readers is whether this error…
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How to Connect Multiple Routers in Your Wireless Network

I believe you have read my previous article about cascading two routers. This is an extension of that article where I am presenting a method to connect multiple wireless routers in your network. In case if you are looking for a way to extend your home network to share a common Internet connection or for file sharing facility, this guide can help you. Here you can see adding any number of (with a limit of course) routers to an existing computer network is not a big task. For beginners connecting three or more routers may look like a difficult task but actually, it is very simple as changing the third octet of the Router's IP address. For example consider the IP address 192.168.1.5, here the 3rd octet is 1. So let us start our guide on how to connect multiple routers to share a common Internet connection.

Here I assume the network layout is

Modem---->Router 1----Router 2--->Router 3---Router 4
and the modem IP address is 192.168.0.1

Steps to Add Router-1 in the Network Connect…
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About Author

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Alex George
Alex George has Engineering graduation in Computer Science and an MBA in Finance. He had been working as a senior Network Engineer for ten years. His specialization is in Cisco products. Traveling is one of his hobbies and visited various places as part of his onsite work. He visited different places as part of his onsite work like New York, Dubai, London, etc. Right now Alex is a director of one of the leading career development firms in India, which trains students for UPSC, SSC, and PSC examinations. He guides a lot of students to get selection for various prestigious institutions like CBI, Income Tax Department, etc. Alex George is a stock market investor and a very active intraday trader. Engineering Background: He has a B.Tech in Computer Science and Engineering and passed different network and security courses like CCNA, CCNP (Security), CEH, and various Microsoft certifications. Finance Background: Alex has an MBA in Finance. He is an active intraday trader and a Share Market Investor. Webmaster Skills: Alex is a blogger since 2004. He has a working knowledge of HTML, CSS, PHP, and JavaScrip.

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