360
X4000
User’s Guide
Configuration of Security Functions and Firewall
10
10.5
Checklist
The following list indicates the most important critical security points that you
should observe when configuring
X4000
:
■
Have you changed all four passwords for system access (admin, read,
write, http)? See
chapter 4.2, page 76
.
■
Are the activities of your
X4000
sufficiently accurately logged on at least
one external computer and do you check the syslog messages regularly?
See
chapter 10.1.1, page 308
.
■
Have you restricted access to the local services and resources to known
computers or networks? In particular, you should only allow access via
CAPI, SNMP, HTTP, trace and telnet to known computers.
■
Are configuration files saved by TFTP kept in a safe place?
■
Have you protected all PPP accesses with a password?
■
If applicable, have you activated Network Address Translation (NAT) for the
connection to the Internet Service Provider (ISP)? See
chapter 10.2.7,
page 331
.
■
Have you limited the IP data traffic at critical interfaces, if necessary with
the aid of filters, and prevented IP address spoofing? You should pay
special attention to the interfaces you have not protected with NAT! See
chapter 10.2.8, page 335
.
■
Have you restricted remote maintenance access via ISDN Login? Have you
made an entry under
CM1BRI, ISDN S0
➧
I
NCOMING
C
ALL
A
NSWERING
?
See
"Incoming call answering", page 141
.
You should also observe the following additional points:
■
Do you use the Microsoft callback procedure for PPP connections? Please
refer to the information in
chapter 10.2.4, page 327
.
■
Do you use an encryption protocol for line tapping security on connections
with critical security? See
chapter 10.3.1, page 354
.
■
Do you use personal authentication on connections with critical security?
Summary of Contents for X4000
Page 4: ...4 X4000 User s Guide...
Page 6: ...6 X4000 User s Guide Table of Contents...
Page 14: ...14 X4000 User s Guide Table of Contents...
Page 30: ...30 X4000 User s Guide Welcome 1...
Page 34: ...34 X4000 User s Guide General Safety Precautions 2...
Page 68: ...68 X4000 User s Guide Hardware Description and Installation 3...
Page 92: ...92 X4000 User s Guide Configuration Requirements 4...
Page 118: ...118 X4000 User s Guide Fast Configuration with the Configuration Wizard Basic Unit 6...
Page 362: ...362 X4000 User s Guide Configuration of Security Functions and Firewall 10...
Page 374: ...374 X4000 User s Guide Configuration Management 11...
Page 386: ...386 X4000 User s Guide Troubleshooting 12...
Page 433: ...X4000 User s Guide 433 15...
Page 449: ...X4000 User s Guide 449 15...
Page 468: ...468 X4000 User s Guide General Safety Precautions in 15 Different Languages 15...
Page 496: ...496 X4000 User s Guide Index...
Page 498: ...498 X4000 User s Guide Document 71000L Version1 3...