When using the optical bypass interface, the Bypass link has two working modes, automatic mode and forced mode.
After the NAT server is configured (no-reverse parameter is added), the firewall automatically generates static Server-Map entries. The first packet matches the Server-Map entry and does not match the session table.
In the application scenario of IPSec traversal by NAT, the active initiator of the firewall must configure NAT traversal, and the firewall at the other end can be configured without NAT traversal.
In dual-system hot backup, the backup channel must be the primary interface on the interface board. Which type is not supported?
Which is the correct packet encapsulation order for L2TP over IPSec?
The preemption function of the VGMP management group is enabled by default, and the delay time is 60s.
DDoS is an abnormal packet that an attacker sends a small amount of non-traffic traffic to the attack target (usually a server, such as DNS or WEB) through the network, so that the attacked server resolves the packet when the system crashes or the system is busy.
What are the following VPN protocols that do not provide encryption?
What type of message is the VRRP hello message?
Which of the following states indicates that a BFD session has been successfully established?