L4 UDP Probes
L4 UDP probes are performed on UDP protocol servers only.
For specific Remote Procedure Call (RPC) services running on well-known ports - Network File
System (NFS) and portmap - an RPC call is sent to the server. If no response is received the
server is marked "DOWN".
For the Domain Name System (DNS), a DNS request is sent to the server. If no response is
received the server is marked "DOWN”.
For all other UDP services, a UDP datagram is sent to the server probe port and if no response is
received the server is marked "DOWN".
Enabling/Disabling L4 UDP Probes
UDP probes are enabled for a UDP server as soon as a server instance for the server is added to a
server pool. Default settings for probe parameters are used unless specifically set on the server
pool.
Refer to
"Adding Server Instances(GUI) "
on page 440and
"Adding Server Instances (CLI)"
on page 444 for a
description of enabling or disabling L4 UDP Probes.
Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
All Rights Reserved.
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Equalizer Administration Guide
Summary of Contents for Equalizer GX Series
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