AirLive RS-3000 - Manual (Page 270)

encryption. NULL Algorithm doesn’t provide any other safety services but a way to substitute ESP
Encryption.
SHA-1 (Secure Hash Algorithm-1)
A message-digest hash algorithm that takes a message less than 264 bits and produces a 160-bit
digest.
MD5
MD5 is a common message digests algorithm that produces a 128-bit message digest from an arbitrary
length input, developed by Ron Rivest.
Main Mode
This is another first phase of the Oakley protocol in establishing a security association, but instead of
using three packets like in aggressive mode, it uses six packets.
Aggressive mode
This is the first phase of the Oakley protocol in establishing a security association using three data
packets.
GRE/IPSec
The device Select GRE/IPSec (Generic Routing Encapsulation) packet seal technology.
Sasser
Sasser is a computer worm that affects computers running vulnerable versions of the Microsoft
operating systems Windows XP and Windows 2000. Sasser spreads by exploiting the system through
a vulnerable network port (as do certain other worms). Thus it is particularly virulent in that it can spread
without user intervention, but it is also easily stopped by a properly configured firewall or by
downloading system updates from Windows Update.
MSBlaster
The Blaster Worm (also known as Lovsan or Lovesan) was a computer worm that spread on computers
running the Microsoft operating systems: Windows XP and Windows 2000.
Code Red
The Code Red worm was a computer worm observed on the Internet on July 13, 2001. It attacked
computers running Microsoft's IIS web server.
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