User's Manual Part 1

120 APCD-LM043-8.0 (DRAFT C)
7: Configuring the CCU
To Add a Port Filter
1. Type port add <number> <type> and press Enter.
• <number> is the number of the port you want to filter.
• <type> is the type of IP packet you want to filter, either
udp, tcp, or
both.
2. Repeat step 1 for any other ports that you want to filter out.
3. Type
save or commit and press Enter.
The following example
• Configures the CCU to filter both UDP and TCP packets on ports 137, 138, 139, 445
and 1512,
• Saves the new settings, and
• Displays the TCP/UDP port filters.
60:03:3a> port add 137 both
60:03:3a> port add 138 both
60:03:3a> port add 139 both
60:03:3a> port add 445 both
60:03:3a> port add 1512 both
60:03:3a>
60:03:3a> save
Basic Config saved
Port Filter Config saved
sntp cfg file saved
Route Config saved
Authorization Database saved
DHCP Server Config saved
60:03:3a>
60:03:3a> port
PORT FILTERS
Port Filter
---------------------------------
445 both
137 both
138 both
139 both
1512 both
----------------------------------
60:03:3a>
The EUM factory default settings have ports 137, 138, 139, 445, and 1512 filtered out for both
TCP and UDP, to prevent Network Neighborhood from seeing other end users’ computers.
NOTE: These factory defaults are stored in the supplied port.cfg file.
7.7 Configuring the SNTP/UTC Time Clock
Configuring the SNTP/UTC Time Clock involves the following procedures, each of which is
explained in detail on the following pages: