156-315.81 VCE Exam Download

 In the Firewall chain mode FFF refers to all packets. Firewall chain mode is a feature that allows administrators to define how packets are processed by different firewall kernel modules in inbound and outbound directions. FFF is one of the predefined chain modes that applies all firewall kernel modules (Firewall, VPN, IPS, etc.) to all packets, regardless of their state or connection. This mode provides maximum security, but also consumes more CPU resources. 

The error “no proposal chosen” indicates that the VPN gateway did not find a matching proposal for the IKE Phase 1 negotiation. This phase is responsible for establishing a secure channel between the VPN peers, using a pre-shared secret or a certificate. The proposal consists of parameters such as encryption algorithm, hash algorithm, Diffie-Hellman group, and lifetime. If the VPN gateway does not receive a proposal that matches its own configuration, it will reject the connection attempt and log the error “no proposal chosen” 1.

To troubleshoot this issue, one should verify that the VPN peers have the same IKE Phase 1 settings, such as:

• The same pre-shared secret or certificate
• The same encryption algorithm (e.g., AES-256)
• The same hash algorithm (e.g., SHA-256)
• The same Diffie-Hellman group (e.g., Group 14)
• The same lifetime (e.g., 86400 seconds)

One can use the command vpn tu on the VPN gateway to view the current IKE Phase 1 settings and compare them with the other peer. Alternatively, one can use the SmartConsole to check the VPN community properties and the gateway object properties for the IKE Phase 1 settings 2.

References: 1: Troubleshooting the “no proposal chosen” error - Check Point Software 2: Support, Support Requests, Training … - Check Point Software

SmartEvent Unit is not a blade option when configuring SmartEvent. SmartEvent is a unified security event management solution that provides visibility, analysis, and reporting of security events across multiple Check Point products. SmartEvent consists of three main components: SmartEvent Server, Correlation Unit, and Log Server. SmartEvent Server is responsible for storing and displaying security events in SmartConsole and SmartEventWeb. Correlation Unit is responsible for collecting and correlating logs from various sources and generating security events based on predefined or custom scenarios. Log Server is responsible for receiving and indexing logs from Security Gateways and other Check Point modules. SmartEvent Unit is not a valid component or blade of SmartEvent.

 What can cause Vanessa unnecessary problems, if she didn’t check all requirements for migration to R81, is missing an installed R77.20 Add-on on Security Management Server. R77.20 Add-on is a package that adds new features and enhancements to R77 Security Management Server, such as support for new appliances, Gaia OS features, VPN features, etc. One of the requirements for migrating to R81 from R77 Security Management Server is to have R77.20 Add-on installed on the server. If Vanessa did not check this requirement and tried to migrate without R77.20 Add-on, she would encounter errors and failures during the migration process. The other options are either not relevant or not problematic for migration to R81.