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The FortiGate Cookbook 5.0.
FortiGuard services appear as expired/unreachable.
Verify that you have registered your FortiGate unit, purchased FortiGuard services and that
the services have not expired at
support.fortinet.com
.
Services are active but still appear as expired/unreachable.
Verify that the FortiGate unit can communicate with the Internet.
The FortiGate is connected to the Internet but can’t communicate with
FortiGuard.
Go to
System > Network > DNS
and ensure that the primary and secondary DNS servers
are correct. If the FortiGate interface connected to the Internet gets its IP address using
DHCP, make sure
Override internal DNS
is selected.
Also, determine if the default port used for FortiGuard traf
fi
c, port 53, is being blocked, either
by a device on your network or by your ISP. If you cannot unblock the port, change it by
going to
System > Config > FortiGuard
and selecting the service(s) where communication
errors are occurring. Under
Port Selection
, select
Use Alternate Port
.
Communication errors remain.
FortiGate units contact the FortiGuard Network by sending UDP packets with typical source
ports of 1027 or 1031, and destination ports of 53 or 8888. The FDN reply packets would
then have a destination port of 1027 or 1031. If your ISP blocks UDP packets in this port
range, the FortiGate unit cannot receive the FDN reply packets.
In effort to avoid port blocking, You can con
fi
gure your FortiGate unit to use higher-
numbered ports, such as 2048-20000, using the following CLI command:
FRQ¿JV\VWHPJOREDO
set ip-src-port-range 2048-20000
end
Trial and error may be required to select the best source port range. You can also contact
your ISP to determine the best range to use.
Extra help: FortiGuard
This section contains tips to help you with some common challenges of using
FortiGuard.
Содержание FortiGate 1U
Страница 1: ...FortiOS 5 0 4 1U Models ...
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Страница 5: ...3 QUICKSTART GUIDE FortiGate 1U QuickStart Guide ...
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Страница 15: ...The FortiGate Cookbook Recipes for Success with your FortiGate THE FORTIGATE COOKBOOK ...
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Страница 229: ...Using redundant OSPF routing over IPsec VPN 209 THE FORTIGATE COOKBOOK ...
Страница 235: ...Using redundant OSPF routing over IPsec VPN 215 THE FORTIGATE COOKBOOK ...
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Страница 239: ...About Fortinet High Performace Network Security Q3 2013 ...
Страница 253: ...PRODUCT GUIDE Product Guide ...
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