Firewall Service
FortiGate-800 Administration Guide 01-28006-0008-20041105 207
Predefined service list
Figure 88: Predefined service list
The predefined services list has the following icons and features.
Table 21 lists the FortiGate predefined firewall services. You can add these services
to any policy.
Name The name of the predefined services.
Detail The protocol for each predefined service.
Table 21: FortiGate predefined services
Service name Description Protocol Port
ANY Match connections on any port. A connection
that uses any of the predefined services is
allowed through the firewall.
all all
GRE Generic Routing Encapsulation. A protocol
that allows an arbitrary network protocol to be
transmitted over any other arbitrary network
protocol, by encapsulating the packets of the
protocol within GRE packets.
47
AH Authentication Header. AH provides source
host authentication and data integrity, but not
secrecy. This protocol is used for
authentication by IPSec remote gateways set
to aggressive mode.
51
ESP Encapsulating Security Payload. This service
is used by manual key and AutoIKE VPN
tunnels for communicating encrypted data.
AutoIKE key VPN tunnels use ESP after
establishing the tunnel using IKE.
50
AOL AOL instant messenger protocol. tcp 5190-5194
BGP Border Gateway Protocol routing protocol.
BGP is an interior/exterior routing protocol.
tcp 179
DHCP Dynamic Host Configuration Protocol (DHCP)
allocates network addresses and delivers
configuration parameters from DHCP servers
to hosts.
udp 67
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