Can a Check Point gateway translate both source IP address and destination IP address in a packet?

The capability of a Check Point gateway to translate both the source IP address and the destination IP address in a packet falls under the functionality of Manual NAT (Network Address Translation).

In Manual NAT, the administrator has full control over the mappings, allowing the configuration of both source and destination addresses explicitly. This is particularly useful in scenarios where specific IP addresses need to be translated in a custom way that aligns with network requirements or policies.

On the other hand, Automatic NAT is primarily designed for easier management, automatically assigning translations without detailed configuration for each specific case. While Automatic NAT provides flexibility, it does not support translating both source and destination addresses in the same context as Manual NAT; it is typically aimed at translating just source addresses or simplifying outbound NAT for internal IPs.

Thus, the correct answer reflects the functionality provided by Manual NAT, which allows for the simultaneous translation of both source and destination IPs, enabling more precise control over traffic management and security policies.