.
Is the only type of IPSec header
Provides integrity and authentication
Encapsulating Security Payload - provides Confidentially, Integrity and Authentication
Sits behind the UDP header
For access to internal devices on a network that sit behind a router / firewall
For all workstations to use when going out to the internet
When you need to translate internal and external ports
For internal workstations that need to access the internet sharing the same IP address
Many workstations trying to access the same server at the same time
One workstation scanning open ports on a target server
A denial-of-service attack in which an attacker sends a succession of SYN requests to a target's system
Excessive acknowledgements
Route mode
Transparent mode
Sniffer mode
ARP mode
Known attacks launched on network devices
Non IP traffic
Traffic outside normal protocol behaviour that could be seen as a new network attack
Traffic inside IPSec that could contain a know attack signature
Permit
Deny
Log
Send an ICMP message to the destination
For traffic passing out to the internet where not enough IP addresses are available
To hide internal addresses
Both a) and c)
Only translates source IP addresses and never source ports
Denied Operating System
Distributed Office Scan
Denial of Service
Distributed SYN flood
Security for IPv4 traffic
Short for IP Security
Used for site to site and remote client VPN access
All of the above
Layers 3
Layers 3-4
Layers 3- 7
Layer 6
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