3-3 Flashcards
most quality firewalls today use ___ method, and is recommended for most systems
SPI
SPI derives form the fact that in addition to examining the packet, the firewall is examining the packets __________
state in relationship to the entire ip conversation
makes a number of different SPI firewall products for various sized networks, in different price ranges. it is a well known vendor of firewall products.
SonicWall
makes a number of SOHO firewall router products that use SPI tech. these are very inexpensive and easy to configure
Linksys
is a very well known and highly respected vendor for many different types fo network products, including router based firewalls that use SPI tech
Cisco
an application gateway is also known as a _________ or ____________
application proxy or application level proxy
is a program that runs on a firwall. this type of firewall derives its name from the fact that it works by negotiating with various types of applications to allow their traffic to pass the firewall
application gateway
_____________ is term used to refer to process of authentication and verification
negotiation
an application gateway will examine the ____________ and the server side application to which it is trying to connect.
client application
_______________ enable the admin to allow access only to certain specified types of apps.
application gateway
once a connection is established, the application gateway makes all decisions about which packets to __________
forward
with application gateway each supported program requires a __________ to accept client application data
unique program
App gateway are also susceptible to various flooding attacks because of the additional time it takes for an application to negotiate ___________
authenticating a request
app gateways are also more suseptable to flooding attacks because once a connection is made, packets are not ____________
checked
app gateway vulnerability can be mitigated by user __________
authentication
