ES910.3-A - User’s Guide 70
ETAS Troubleshooting Problems
If a firewall is blocking communication to ETAS hardware, you must either dis-
able the firewall software while working with ETAS software, or the firewall must
be configured to give the following permissions:
• Outgoing limited IP broadcasts via UDP (destination address
255.255.255.255) for destination ports 17099 or 18001
• Incoming limited IP broadcasts via UDP (destination IP 255.255.255.255,
originating from source IP 0.0.0.0) for destination port 18001
• Directed IP broadcasts via UDP to the network configured for the ETAS
application, destination ports 17099 or 18001
• Outgoing IP unicasts via UDP to any IP in network configured for the ETAS
application, destination ports 17099 through 18020
• Incoming IP unicasts via UDP originating from any IP in the network con-
figured for the ETAS application, source ports 17099 through 18020,
destination ports 17099 through 18020
• Outgoing TCP/IP connections to the network configured for the ETAS
application, destination ports 18001 through 18020
Windows XP and Vista come with a built-in personal firewall. On many other
systems it is very common to have personal firewall software from third party
vendors, such as Symantec, McAffee or BlackIce installed. The proceedings in
configuring the ports might differ for each personal firewall software used.
Therefore please refer to the user documentation of your personal firewall soft-
ware for further details.
As an example for a firewall configuration, you will find below a description on
how to configure the widely used Windows XP firewall if the hardware access is
prohibited under Windows XP with Service Pack 2.
Solution for Windows XP Firewall, Users with Administrator Privileges
If you have administrator privileges on your PC, the following dialog window
opens if the firewall blocks an ETAS product.
The ports that have to be used in concrete use cases depend on the hard-
ware used. For more precise information on the port numbers that can be
used please refer to your hardware documentation.
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