Fortinet fortigate-50r Installationsanweisungen

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Firewall configuration 
Virtual IPs
FortiGate-50R Installation and Configuration Guide
 131
Adding a schedule to a policy
After you have created schedules, you can add them to policies to schedule when the 
policies are active. You can add the new schedules to policies when you create the 
policy, or you can edit existing policies and add a new schedule to them.
1
Go to Firewall > Policy.
2
Select the tab corresponding to the type of policy to add.
3
Select New to add a policy or select Edit 
 to edit a policy to change its schedule.
4
Configure the policy as required.
5
Add a schedule by selecting it from the Schedule list.
6
Select OK to save the policy.
7
Arrange the policy in the policy list to have the effect that you expect.
For example, to use a one-time schedule to deny access to a policy, add a policy that 
matches the policy to be denied in every way. Choose the one-time schedule that you 
added and set Action to DENY. Then place the policy containing the one-time 
schedule in the policy list above the policy to be denied.
Virtual IPs
Use virtual IPs to access IP addresses on a destination network that are hidden from 
the source network by NAT security policies. To allow connections between these 
networks, you must create a mapping between an address on the source network and 
the real address on the destination network. This mapping is called a virtual IP.
For example, if the computer hosting your web server is located on your internal 
network, it could have a private IP address such as 192.168.1.34. To get packets from 
the Internet to the web server, you must have an external address for the web server 
on the Internet. You must then add a virtual IP to the firewall that maps the external IP 
address of the web server to the actual address of the web server on the internal 
network. To allow connections from the Internet to the web server, you must then add 
an Ext
->
Int firewall policy and set Destination to the virtual IP.
You can create two types of virtual IPs:
Static NAT
Used in to translate an address on a source network to a hidden address on 
a destination network. Static NAT translates the source address of return 
packets to the address on the source network.
Port Forwarding Used to translate an address and a port number on a source network to a 
hidden address and, optionally, a different port number on a destination 
network. Using port forwarding you can also route packets with a specific 
port number and a destination address that matches the IP address of the 
interface that receives the packets. This technique is called port forwarding 
or port address translation (PAT). You can also use port forwarding to change 
the destination port of the forwarded packets.