User's Manual
ADSL Rout er User Manual
76
Shar ed Key m eans that a bridge or
rout er will send an unencrypt ed t ext
st ring t o any client at tem pt ing to
com m unicat e w it h the rout er. The client
requesting aut henticat ion encrypts t he
text and sends back t o the rout er. Both
unencrypt ed and encrypt ed can be
m onit ored, yet it leaves the bridge
open to attack from any int ruder if he
calculates the WEP key by com paring
the t ext strings That is why shared key
aut henticat ion can be less secure t han
open aut hent icat ion.
Format:
Choose the typing method of encryption key.
You have to click either Hexadecimal digits
or ASCII characters and type the keys on
the fields of Key 1 to Key 4.
Key 1 to 4:
Type the encryption key length and fill out
WEP keys. For 64-bit WEP mode, the
number you can type is that 5 characters or
10 hexadecimal digits.
Default Transmission Key:
Select one of network key that you set on the
Key boxes as the default one.
After finished settings, click Apply for
activation.
For 1 2 8 - Bit W EP
Wireless Security: Select the WEP mode for
the WEP key function. You can choose
64-bit or 128-bit for your necessity. If
selected, data is encrypted using the key
before being transmitted. For example, if
you set 128-bit in this field, then the
receiving station must be set to use 128 Bit
Encryption, and have the same Key value
too. Otherwise, it will not be able to decrypt
the data. Please choose 128-Bit WEP for this
page.
Authentication Type:
The ADSL Router supports two
authentication types: Open System and
Shared key. This should be considered with
the WEP (Wired Equivalent Privacy)
mechanism.
Ope n System m eans that it allows any
client t o authent icate and at tem pt to
com m unicat e w it h a bridge. The client
can only com municat e if it s WEP keys
m at ch the rout er’s WEP keys.
Shar ed Key m eans that a bridge or
rout er will send an unencrypt ed t ext
st ring t o any client at tem pt ing to
com m unicat e w it h the rout er. The client
requesting aut henticat ion encrypts t he