When SecureXL is active (by default it is), once this first packet of a connection has been validated by the firewall, subsequent packets from the same connection ( the same 5-tuple: source IP, destination IP, source port, destination port and application ), are processed lower in the stack, at the OS level. (Accelerated path). Those packet are not inspected.
SecureXL will extend the concept of packet acceleration to the session level (new connections on same session): the source port IS HIDDEN, creating a template and speeding up the entire session.
So the right answer is C
D is correct
Packet acceleration, which is also referred to as throughput acceleration, identifies connections
by five attributes:
• Source address
• Destination address
• Source port
• Destination port
• Protocol
CCSE Guide R80.10 Page 399
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