This occurs when a session hijacking causes the TCP packet sequence numbers to become unsynchronized because of the legitimate client and the attacker both attempting to communicate.
Active Directory
The Microsoft implementation of LDAP directory services based off of the X500 standard.
Active Server Pages
See ASP.
ActiveX
A set of object-oriented programming technologies and tools implemented by Microsoft technology.
Address Resolution Protocol
See ARP.
antireplay
A security function that allows the receiver to reject old or duplicated packets to defend against replay attacks.
AH
Authentication Header. A security protocol that provides data authentication and optional antireplay services found with IPSec. AH is embedded in the data to be protected.
ARP
Address Resolution Protocol. A method for finding the host Ethernet (MAC) address from its IP address.
ASP
Active Server Pages. Server-side technology produced by Microsoft for dynamically generating web pages.
