3-2 Flashcards

1
Q

free packet filtering app for linux. installed on linux machine designed to be used as your network firewall

A

Firestarter

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2
Q

this product is inexpensive and available for windows only

A

avast internet security

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3
Q

this proiduct is reasonably priced and effective

A

zone alarm firewall

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4
Q

commercial firewall product that works with windows clients. it includes both firewall and and antivirus functionality

A

comodo firewall

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5
Q

in packet filtering firewall they usually do not examine the packet or compare it to ___________ making them susceptible to ping and syn flood attacks

A

precious packets

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6
Q

this type of firewall does not offer user authentication

A

packet filtering firewall

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7
Q

with packet filtering firewall it does not track packets so it has not information about the ____________

A

preceeding packets

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8
Q

to configure a packet filtering firewall, simply establish appropriate filtering rules. a set of rules for a given firewall would need to cover the following

A

what types of protocols,
source ports,
destination port,
source IP address to allow

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9
Q

this firewall is an improvement on basic packet filtering. it will examine each packet and grant of denying access based not only on the examination of the current packet but also on data derived from the previous packet in the conversation.

A

stateful packet inspection

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10
Q

with a stateful packet inspection means that the firewall is aware of the contextin which ____________

A

a specific packet was sent

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11
Q

SPI firwalls are far less suseptable to ___________ attacks

A

syn and ping flood

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12
Q

a stateful packet inspection firewall can tell if a packet is a part of an abnormally large stream of packets from a particular IP address, thus indicating a possible _____________

A

DOS attack in progress

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13
Q

they can tell whether the packet hasa a source IP address that appears to come from inside the firewall, thiu indicating ____________

A

ip spofing is in progress

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14
Q

they can also look at the actual contents of the packet, allowing for some very ___________

A

advanced filtiring capabilities

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15
Q

spi firewalls are basically imroved versions of ________

A

packet filtering firewalls

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