User`s manual

Example internal address:
Editing addresses
• Go to Firewall > Address .
Click the tab corresponding to the type of address you want to edit.
• Choose an address to edit and click Edit
.
• Make the required changes and click OK to save your changes.
Services
Use services to control the types of communication accepted or denied by the firewall. You can add any of the
pre-configured services listed in DFL-500 pre-defined services to a policy. You can also create your own
custom services and add services to service groups.
This section describes:
• Pre-defined services
• Providing access to custom services
• Grouping services
Pre-defined services
The DFL-500 pre-defined services are listed in DFL-500 pre-defined services.
DFL-500 pre-defined services
Service
name
Description Protocol
Source
Port
Destination
port
ANY Match connections on any port. all 1-65535 all
tcp 1-65535 53
DNS Domain name servers for looking up domain names.
udp 1-65535 53
FINGER Finger service. tcp 1-65535 79
FTP FTP service for transferring files. tcp 1-65535 20-21
GOPHER Gopher communication service. tcp 1-65535 70
HTTP HTTP service for connecting to web pages. tcp 1-65535 80
HTTPS SSL service for secure communications with web servers. tcp 1-65535 443
DFL-500 User’s Manual
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