NSE7_NST-7.2 Exam Dumps : Fortinet NSE 7 - Network Security 7.2 Support Engineer

RTT (Round Trip Time):

RTT in the context of the FortiGuard server list indicates the time it takes for a request to be sent to a FortiGuard server and for a response to be received.

This metric helps determine the latency between the FortiGate device and the FortiGuard servers, which is crucial for ensuring efficient and quick updates and responses for services like web filtering and antivirus updates.

Server Selection:

The FortiGate device uses RTT values to prioritize servers. Servers with lower RTT values are preferred as they respond faster, ensuring minimal delay in processing requests.

This improves the overall performance of FortiGuard services by reducing the time it takes to communicate with the servers.

References:

Fortinet Community: Troubleshooting FortiGuard server connections and RTT values​(Welcome to the Fortinet Community!)​​(Fortinet Docs)​.

Fortinet Documentation: FortiGuard server settings and RTT explanation​(Welcome to the Fortinet Community!)​​(Fortinet Docs)​.

Remote Gateway IP:

The output shows10.200.5.1as the remote gateway IP, confirming that this is the IP address of the remote gateway involved in the IPsec VPN tunnel.

Quick Mode Selectors:

The quick mode selectors specify the subnets involved in the VPN. The output showssrc: 0:10.1.2.0/255.255.255.0:0anddst: 0:10.1.1.0/255.255.255.0:0, indicating the subnets being tunneled.

DPD (Dead Peer Detection):

DPD is shown asmode=on-demand on=1 idle=20000ms retry=3 count=0 seqno=0, indicating that DPD is enabled in on-demand mode.

Anti-replay:

The output includesreplaywin=2048andreplaywin_lastseq=00000000, which are indicators that anti-replay protection is enabled for the IPsec tunnel.

References

Fortinet Network Security 7.2 Support Engineer Documentation

VPN Configuration and Diagnostic Guides

The session table entry provided shows detailed information about a specific network session passing through the FortiGate device. From the session details, we can see that the session has various attributes such as state, protocol, policy, and inspection details.

The session state (proto_state=11) indicates that the session is being actively processed and inspected.

Thenpd_state=00000000suggests that the session is being handled by the CPU rather than offloaded to a Network Processor (NP).

The session is marked for security profile inspection, evident from the detailed byte/packet counts and other session parameters.

From these indicators, it's clear that FortiGate is using its CPU to perform security profile inspection on this session rather than simply forwarding the traffic without inspection or relying solely on IPS inspection.

References

Fortinet Documentation on Session Table

Fortinet Community Discussion on Session Table