
Securing the Router
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See “Setting Global IP Access Policies with the BCC” and “Restricting
Read/Write Access with SNMP Communities” for additional information.
Setting Global IP Access Policies with the BCC
The BCC allows you to create global IP access policies for routers that control
access to specific IP services, including Telnet, FTP, TFTP, NTP, SNMP, and the
HTTP Server.
You define a policy and its actions by setting BCC parameters. See the appendix
“Configuring IP Global Access Policies” in Configuring IP Utilities for more
information.
Restricting Read/Write Access with SNMP Communities
You can use either Site Manager or the BCC to control SNMP access to the router.
You should restrict read/write access to the router as soon as possible by
reconfiguring the SNMP communities.
When you add SNMP with the BCC, access is defined by default as read-only.
You should immediately add managers to control any write access that you
explicitly add.
By default, the Quick-Start installation script (install.bat) creates a read/write
SNMP community named “public” with a wildcard manager (0.0.0.0) that allows
universal read/write access. Nortel Networks strongly recommends that you use
Site Manager or BCC commands to:
1.
Reconfigure the “public” community as read-only for universal access.
2.
Create a read/write community with a unique name (for example,
EASTBAY) and a manager list containing the IP addresses of the
workstations that need read/write access to the router.
See Configuring SNMP, BootP, and DHCP Services for more information about
configuring SNMP. See Using the Bay Command Console (BCC) for information
about BCC commands.
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