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Types of Encryption and Authentication for WiFi Routers

Sunday, August 18, 2013 Posted by Glenn Von Posadas 0 comments

Authentication

Open
With this setting enabled the AirStation does not require wireless LAN clients to authenticate. Anyone can connect to your wireless network.

WPA-PSK
Clients are authenticated in accordance with WPA (Wi-Fi Protected Access). A password ("PSK passphrase") is required to log into the wireless network.

WPA2-PSK
Clients are authenticated in accordance with WPA2 (IEEE802.11i). A password ("PSK passphrase") is required to log into the wireless network.

WPA/WPA2 mixedmode - PSK
This setting allows the authentication of WPA-PSK and WPA2-PSK clients at the same time. A password ("PSK passphrase") is required to log into the wireless network.


Encryption
Specify whether to encrypt wireless signals or not. If the different encryption types are used on the AirStation and the wireless client, they will not be able to communicate.

Open
The wireless signal is not encrypted. Because the contents of your communication may be intercepted, this choice is not recommended.
WEP
Encrypt wireless signal with WEP. WEP is a basic encryption standard for wireless LANs.
A WEP encryption key must be entered.
TKIP
TKIP is a more secure encryption than WEP. It is also slower. Wireless clients will need to support TKIP.
A WPA-PSK (Pre-shared key) must be entered.
AES
AES is even more secure than TKIP and faster than WEP. Highly recommended if your client devices support it.
A WPA-PSK (Pre-shared key) must be entered.
TKIP/AES mixedmode
The Mode supporting both TKIP and AES, can be selected only if [WPA/WPA2 mixedmode] is selected as Authentication.
"WPA-PSK (Pre-shared key)" must be inputted.


WEP Encryption Key
Enter WEP encryption key. The same encryption key must be entered into both the AirStation and the client device or there will be no communication between them.

Specifying the Encryption Method

There are two encryption key lengths (WEP64 and WEP128) for WEP. Effective bit length for encryption key is 40 bit in WEP64 and 104 bit in WEP128. Keys may be entered as either Hex or ASCII, for a total of 4 different ways of entering WEP keys. Default value of input method is "Character input,13 characters (WEP128)". When the input method is changed, encryption key values are cleared.
Character input, 5 character (WEP64)
Enter 5 (case sensitive) alphanumeric characters. Because a 5 character password is easy to crack, this type of key is not recommended.
Character input, 13 characters (WEP128)
Enter 13 (case sensitive) alphanumeric characters.
Hexadecimal number input, 10 digit (WEP64)
Enter a 10 digit HEX as an encryption key. You may use characters 0-9 and a-f. Because a 10 digit password is easy to crack, this type of key is not recommended.
Hexadecimal number input, 26 digit (WEP128)
Enter a 26 digit HEX as an encryption key. You may use characters 0-9 and a-f.

Specifying common keys for sending and receiving

Up to 4 encryption keys can be specified and one of them can be used for both encryption and decryption. (The others are only for decryption). You can select which is the common key for sending and receiving. Click the circle next to the input box of encryption key. Default common key for sending and receiving will be listed first after [Apply] is clicked.

Note
If a wireless LAN device doesn't support multiple encryption keys, it must be set to the common key for sending and receiving (the first key in the AirStation's list).

Key

The default value of the encryption key is blank. When you specify just one (or two, or three) encryption key(s), enter it into to just the 1st (or 1st and 2nd, or 1st, 2nd, and 3rd) box(es) and leave the other boxes blank.

WPA-PSK (Pre-Shared Key)
When TKIP or AES is used as encryption method, a WPA-PSK pre-shared key must be entered. If the same key is not entered into the AirStation and the wireless client, communication will not be established. Specify 8-63 alphanumeric characters or a 64 digit HEX. The default value is blank.

Rekey interval
When using TKIP or AES encryption, the encryption key is changed each "Key Renewal Period". This period can be configured from 0 to 1440 minutes. If 0 is set, the encryption key is not renewed. Default value is 60 minutes.



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Buffalo WiFi Router Configuration HELP

Posted by Glenn Von Posadas 0 comments

article by: Glenn Posadas

This post will guide you in setting up your Buffalo Wireless (WiFi) Router. All of the types of authentication and encryption that will be discussed here of course are the same with other brands of wireless/wifi routers. The only difference it is the way we will access the access point or the configuration site of our router.



1) The first thing you want to do is to connect to one of the SSIDs (known as WiFi connection) given by your buffalo router. The default names given by my buffalo router is the 2 SSIDs based on their MAC Address.

My laptop detected this WiFi name: 4CE676166600 
Anyone can connect to this network because in default, its authentication and encryption are open.

2) Second step: Open any browser you like. Type in the address bar this IP: 192.168.11.1 (note that it is for a buffalo wifi router. As I've said, only the encryption and authentication types discussed here will be the same with the other routers). So key in this, in the username field, type: root
small letters only and leave the password field blank, and then press enter.


3)  You will be directed to the Access Point settings of your router. Click Wireless Config > Basic(11n/g/b) / And follow the settings just like the photo given.

You can change the WiFi name. In my SSID1, I have renamed it to www.glennvon.com. In my SSID2, I have renamed it to WELOVEGOD. And so on upto SSID4.

Remember: don't forget to input your Password in the password field, below the encryption type.


So what you should choose in authentication type and in encryption type? CLICK HERE!
The article below discusses the settings in your wifi router.

Basic Wireless Setting(11n/g/b)
You can set basic configuration information for your wireless LAN manually here. If encryption is not used, communication will be established just by this basic setup. Encryption is highly recommended, however.

Wireless Radio
Un-checking "Enable" will disable wireless LAN functionality. When disabled, all wireless functionality, including broadcasting, is halted. Default value is enabled.

Wireless Channel
You may specify a channel (frequency band) for your wireless communication. If there are other wireless clients near the AirStation,you may get interference. Change to a different (and preferably non-overlapping) channel in this case. Available channels vary with which wireless standard you're using. When Auto channel is selected, a vacant channel is selected automatically. 11n/g/b : Auto, 1-11 Channel (Default value : Auto channel)

150Mbps Mode
Wireless communication commonly uses 20MHz per channel.
150Mbps Mode is a method to increase wireless transmission throughput to 40MHz per channel.
When 150Mbps Mode is used, the channel display on the wireless client is likely going to differ from the channel display on the AP.
The wireless client channel display may not display the Control Channel but the center frequency.
In this case, the channel between the Wireless Channel and the Extension Channel is displayed.

Example : When channel 3 is selected as Wireless Channel, and channel 7 is selected as the Extension Channel, channel 5 is displayed.

Band Width
You can select weather 20MHz or 40MHz (150Mbps Mode) are used for wireless communication.
Default value is 20MHz

Extension Channel
When 40MHz has been selected under Band Width, two channels are used. A Control Channel and an Extension Channel.
The Control Channel is specified by the [ Wireless Channel ] setting , and the Extension Channel is specified by the [ Extension Channel ] setting.

Broadcast SSID
Select whether to Enable Broadcast SSID or not.
Default value is "Allow".

Allow

When connecting to an AirStation broadcasting its SSID, wireless client devices do not need the SSID entered manually.
Broadcasting your SSID also lets clients detect the best wireless signal level available and connect to it automatically.

Disallow

To connect to an AirStation where SSID broadcast is disabled, the SSID of the AirStation will have to be manually entered on each wireless client device.
Even when "Automatic detection of wireless access point" ("Wireless Automatic Detection" on Client Manager) is selected, the client will not detect the AirStation unless it has special software installed.

Note:

While AOSS is in use, a Broadcast SSID can be set but will not be used.

SSID1
Wireless encryption WPA-PSK-TKIP, WPA2-PSK-TKIP , WPA/WPA2-Mixed or WEP is used for Multi Security SSID1.

SSID2
Wireless encryption WPA-PSK-TKIP or WPA/WPA2-Mixed is used for Multi Security SSID2.

SSID3
Wireless encryption WPA-PSK-AES is used for Multi Security SSID3.

SSID4
Wireless encryption WEP is used for Multi Security SSID4.

Separate feature
Connected wireless devices can communicate with WAN side devices if this setting is enabled.

SSID
SSID is an identifying name for a wireless network. Each access point has a SSID. Roaming can be allowed by setting multiple AirStations with the same SSID over a widespread area. To change SSID from the default value, select "Input Value" and enter a new SSID in the input box. Up to 32 alphanumeric characters may be used. SSIDs are case-sensitive.

Note:

While AOSS is in use, an SSID can be set but will not be used.


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