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Started by : Aravind Kumar, Project Manager, i2 Technologies   09 16 2008 06:22:14 +0000
Industry : InternetFunctional Area : Security(Others)
Activity:  570 views;  last activity : 07 06 2010 20:18:09 +0000

Wireless Internet access in homes and offices has emerged as the easiest option for terrorists to abuse. Recently after so many blasts in recent months, in which WiFi system is  hijacked to send the terror mail it becomes very important for people to learn & understand on how to prevent its misuse & secure their network.

Let us formulate this things in laymen terms such that it will help our readers to secure their Wi Fi network & prevent its misuse. We should do all those things from our side and take preventive measures which cannot help Terrorist or any other Intruder to break through our system...

Thanks !!! 

 
 Refer 12
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  Rate : 
 
 
 
 
  9 6 4 3 2
 
 
 
 
 
 
 
 
 
 
 
 
 
1 2 3 4 5
1 Secure your wireless router
2 Secure your Wi-Fi Network
3 create or configure wireless profile for users who require access to witeless n/w
4 Tips to secure WiFi
5 Switch off your network
6 Turn on WPA / WEP Encryption
7 To safe our Wi-fi network
8 Disable SSID broadcast of your router
9 info sec ..lan - wi fi
10 switch off your network
11 Securing your Wireless Network
12 allways make your connection secured
13 Wi Fi ( without intuition & faltu imitation)
14 wep 64/128bit phrase
15 info sec
16 Make Security WPA

Secure your wireless router

idea posted by Aravind Kumar Project Manager, i2 Technologies
Access Internet through a password protected router be it home or office. Every router comes pre-configured with a standard password, and hackers know this. This makes it very easy for hackers to simply gain access into your network, gain control over its administrative rights and use your network and computer the way they want.
9
2
  

Yes, overall security is the most important thig even in home or office network, might be the implimentation is different depending according to scenario.

Secuirty measurement never breaks down, day by day it icrease as the implimentation or technology increases and this for the cause of hacking. as much as your data is important that much of security is need, if it accessible from your home network you have to secure that might be wi-fi or VPN. and for the router the security is different......so as the technology or accessible device changes the procedure or method too changes but security concern never changes.

Based on the method or device the procedure changes but the matter is only of security.

4
  

I've put together a few simple things that anyone can do to secre their WLAN.

Most techniques are fairly simple and do not require a P.Hd in I.T. to implement.  I've put the instructions on my Blog, http://ivansmusings.com/?cat=51 copy and paste this link into your Browser and take a look.

Add your comments as well, I'd sure appreciate it.

1
  

Yes, I do agree with this. In fact I have implemented this after reading this article. I have a personal router in my house which serves my 2 laptops, 1 PC and my mobile. I have implemented a secure access for my router. Thanks a lot for the idea.

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Secure your Wi-Fi Network

idea posted by sukhpreet anand Network Admin/System Admin, Kayako Infotech

Step 1: Change the Default Password of Modem / Router
Step 2: Disable the DHCP services
Step 3: Change the Default SSID
Step 4: Opt for WPA2 or PSK security
Step 5: Enable the MAC filter
Step 6: Disable the Remote Administration
Step 7: Use the Router's firewall
Step 8: Switch off the router when not in use
Step 9: Position your Router carefully

6
0
  

sorry,  but you have copied the steps from the link given by Ivan Bayross, CEO/MD/Director, Doss Software Solution  LINK http://ivansmusings.com/?cat=51

this doesnt seem good when professional statements of reputed person are over ruled.

0
  
by Bhushan Patil, Project Lead, Birlasoft Limited  | 04 20 2009 07:17:41 +0000

According to me  a Router is a device that determine the optimal path along which network traffic should be forwarded. Routers allow different networks to communicate with each other. They forward packets from one network to another based on network layer information, but whereas a gateway can interpret and translate the different protocols that are used on two distinct networks. Unlike routers that successfully connect networks with protocols that are similar, a gateway perform an application layer conversion of information from one protocol to another...Hope this helps.

0
  
by mallikarjun , Network Admin/System Admin, 0  | 04 19 2009 09:57:48 +0000

what is d difference between gateway & router?

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create or configure wireless profile for users who require access to witeless n/w

idea posted by madhu kiran k System Administrator, thomson reuters
if you can contact me i can guide you
4
0
  
by Samir Das, Tech Architect, Infosys  | 04 07 2009 07:55:41 +0000

Change the password

Change this administrator password on the router from time to time like you should change any other password so as to minimise the risk to your network.

How you change your password varies from router to router. There are several sites on the Net (even sites of the company that owns the brand of router you use) which will tell you how to go about changing the password of your router. If the task is still insurmountable, call up your ISP to understand the process. But remember not to have a wireless network without password.

For any further clarifications do contact me.

0
  
by Shyamal Maity, Sales/BD Manager, AT&T  | 03 25 2009 06:19:42 +0000

 Here are some of the things you can do to protect your wireless network:

1) Secure your wireless router or access point administration interface

2) Don't broadcast your SSID

3) Enable WPA encryption instead of WEP

4) Remember that WEP is better than nothing

5) Use MAC filtering for access control

6) Reduce your WLAN transmitter power

7) Disable remote administration

3
  

ya I am having intrest in knowing how to create a profile for a router please guide  me for the wi fi or wire less network security. thanks.

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Tips to secure WiFi

idea posted by Rohit Passi IT Specialist, IBM
http://www.rediff.com/getahead/2008/sep/24protect.htm
3
1
  

Ya neeraj,

This idea looks more convincing along with the normal 64 bit encryption, bcoz most of the times there seems to be some compatibility issue with the 128 bit encryption and Vista.

1
  
by neeraj sharma, Tech Support Engineer, Bharti Airtel  | 12 02 2008 07:04:36 +0000

i think the best way to secure ur wireless is by providing mac addressof ur system to the router. to get the mac addres of the system run GETMAC command in command prompt and get the physical addres from there and provide the mac address in the acces list table of the wireless router after that only those user will be allowed whose physical address is available in  the list

 

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Switch off your network

idea posted by Aravind Kumar Project Manager, i2 Technologies

Use your network only when it is required. All you need to do is to just turn off your router when you are not using your network. Switch it on only when needed and then switch it off. At least this will make sure that no intruder is able to hack your system when you are away & can't do anything.

2
2
  

One should not even leave the computer, with mail logged IN or blue tooth/ wireless enabled all the time. this could be dangerous if you have a tout friend around.Its not the question of not trusting anybody but need to be careful. Same is much more dangerous if you are using  Net on Mobile phones. Beware...

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Turn on WPA / WEP Encryption

idea posted by Priti Dhanda Project Lead, Tavant Technologies
All Wireless devices support some form of encryption. Encryption technology scrambles messages sent over the air and ensures that they cannot be intercepted by hackers. Several encryption technologies exist for wireless communication today. WPA is the strongest commonly available encryption technology for home devices, however, WEP can also be used.
2
1
  

I agree turn on the WEP/WPA encryption on your router, It would be better if we choose 128 bit encrption rather than 64 bit encryption, For that we have to go to the router default page, and there in the wireless settings set the encryption, Also it  would be better that we change the Channel from default 6 to 9 or 11.

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To safe our Wi-fi network

idea posted by Baljeet SIngh System Administrator, JBM Global School

HI all,

This side Baljeet ISngh from Delhi. where i was working they are using a certificate for IE & other Explorers without that certificate nobody can access the Wi-Fi router

I guess this option is also a good option to safe our network and help our govt. to

1
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Disable SSID broadcast of your router

idea posted by Bhushan Patil Project Lead, Birlasoft Limited

You need not always broadcast your router so that others know about it. Its you who want to use and you know you have one but why letting others know you are broadcasting your wifi. Better disable the broadcasting of you router. for details you can check your manual .

For Linksys router, instructions to disable SSID broadcast are here,

For D-Link, your instructions are here

1
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info sec ..lan - wi fi

idea posted by mun jas IT consutling & network architect

u r absolute rite .

i personally  is a strong believer in internet security aspects as well against casual usage of LAN / Wi-fi systems . but becuz of lack of knowledge and of course hectic timelines , ppl overlook this aspect and behave reactively rather than proactive . I m among them as well , though i belong to systems and enterprise IT infrastructure domain , proffessionally 

 

I am myself free to discuss any scenario in terms of information security management

 not gr t wi- fi though

1
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switch off your network

idea posted by mun jas IT consutling & network architect

i m not in favour of this idea as many medium and large enterprises have their services offered for their partners and clients round the clock for 365 days , which is why they have redundancy

 

investing in good practises , stong IT policy , and deploying firewalls and IDS would help 

1
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Securing your Wireless Network

idea posted by ravindra shrivastava Information Systems(MIS)-Manager, iifs pvt ltd

1) Secure your wireless router or access point administration interface 
Almost all routers and access points have an administrator password that's needed to log into the device and modify any configuration settings. Most devices use a weak default password like "password" or the manufacturer's name, and some don't have a default password at all.  As soon as you set up a new WLAN router or access point, your first step should be to change the default password to something else. You may not use this password very often, so be sure to write it down in a safe place so you can refer to it if needed. Without it, the only way to access the router or access point may be to reset it to factory default settings which will wipe away any configuration changes you've made. 

2) Don't broadcast your SSID
Most WLAN access points and routers automatically (and continually) broadcast the network's name, or SSID (Service Set IDentifier). This makes setting up wireless clients extremely convenient since you can locate a WLAN without having to know what it's called, but it will also make your WLAN visible to any wireless systems within range of it. Turning off SSID broadcast for your network makes it invisible to your neighbors and passers-by (though it will still be detectible by WLAN "sniffers"). 

3)Enable WPA encryption instead of WEP
802.11's WEP (Wired Equivalency Privacy) encryption has well-known weaknesses that make it relatively easy for a determined user with the right equipment to crack the encryption and access the wireless network. A better way to protect your WLAN is with WPA (Wi-Fi Protected Access). WPA provides much better protection and is also easier to use, since your password characters aren't limited to 0-9 and A-F as they are with WEP. WPA support is built into Windows XP (with the latest Service Pack) and virtually all modern wireless hardware and operating systems. A more recent version, WPA2, is found in newer hardware and provides even stronger encryption, but you'll probably need to download an XP patch in order to use it.  

5) Use MAC filtering for access control
 Unlike IP addresses, MAC addresses are unique to specific network adapters, so by turning on MAC filtering you can limit network access to only your systems (or those you know about). In order to use MAC filtering you need to find (and enter into the router or AP) the 12-character MAC address of every system that will connect to the network, so it can be inconvenient to set up, especially if you have a lot of wireless clients or if your clients change a lot. MAC addresses can be "spoofed" (imitated) by a knowledgable person, so while it's not a guarantee of security, it does add another hurdle for potential intruders to jump. 

6) Reduce your WLAN transmitter power
You won't find this feature on all wireless routers and access points, but some allow you lower the power of your WLAN transmitter and thus reduce the range of the signal. Although it's usually impossible to fine-tune a signal so precisely that it won't leak outside your home or business, with some trial-and-error you can often limit how far outside your premises the signal reaches, minimizing the opportunity for outsiders to access your WLAN. 

7) Disable remote administration

Most WLAN routers have the ability to be remotely administered via the Internet. Ideally, you should use this feature only if it lets you define a specific IP address or limited range of addresses that will be able to access the router. Otherwise, almost anyone anywhere could potentially find and access your router. As a rule, unless you absolutely need this capability, it's best to keep remote administration turned off. (It's usually turned off by default, but it's always a good idea to check.)

0
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allways make your connection secured

idea posted by madhu kiran k System Administrator, thomson reuters
allways use encryption key to secure wireless home network
0
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Wi Fi ( without intuition & faltu imitation)

idea posted by Ajay Ziz Dy. Registrar,, University of Jammu

designer of the network should not trust his intution and should never imitate.

99.99 % warranty that network will be secure 

 

0
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wep 64/128bit phrase

idea posted by mohit panwar Network Admin/System Admin, celebrity fitness india pvt. ltd.

use 64bit wep phrase

and hide ssid  this is the only key to block it

 

0
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info sec

idea posted by mun jas IT consutling & network architect

u r rite .

i m a strong believer in infosec myself and against  casual usage of LAN and wi-fi systems leading info sec breach and eventualy costly mistakes and high overhead of recovery

users need to be educated out of practise , rather than doing things reactively 

 

feel free to discuss any technical scenarios . 

Myself from enterprise IT infrastructure and networks domain , proffessionaly

 

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Make Security WPA

idea posted by keval pitroda IT/Technical Content Developer, student
make Strong password with symbollic letters and make some protocol of ports which you not use in web surffing and new way to protect our network by hiding ssid of our network and Block the Simple shaing of default drives and must guest account is disable to protect system and ARP protocol is next feauture problem of attack of pinging
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