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204
Rockwell Automation Publication 1783-UM006A-EN-P - May 2014
Chapter 6
Administering the WAP Access
Protecting Enable and
Enable Secret Passwords
with Encryption
To provide an additional layer of security, particularly for passwords that cross the
network or that are stored on a Trivial File Transfer Protocol (TFTP) server, you
can use either the
enable password
or
enable secret
global
configuration commands. Both commands accomplish the same thing; that is,
you can establish an encrypted password that users must enter to access privileged
EXEC mode (the default) or any privilege level you specify.
We recommend that you use the
enable secret
command because it uses an
improved encryption algorithm.
If you configure the
enable secret
command, it takes precedence over the
enable password
command; the two commands cannot be in effect
simultaneously.
Beginning in privileged EXEC mode, follow these steps to configure encryption
for enable and enable secret passwords:
1.
Enter global configuration mode.
configure terminal
2.
Define a new password or change an existing password for access to
privileged EXEC mode.
enable password [level level] {password |
encryption-type encrypted-password}
or
enable secret [level level] {password | encryption-
type encrypted-password}
Define a secret password, that is saved by using a nonreversible encryption
method.
•
(Optional) For
level
, the range is from 0 to 15. Level 1 is normal user
EXEC mode privileges. The default level is 15 (privileged EXEC mode
privileges).
•
For
password
, specify a string from 1…25 alphanumeric characters.
The string cannot start with a number, is case sensitive, and allows
spaces but ignores leading spaces. By default, no password is defined.
•
(Optional) For
encryption-type
, type only a 5, a Cisco
proprietary encryption algorithm, is available. If you specify an
encryption type, you must provide an encrypted password—an
encrypted password you copy from another access point configuration.
3.
(Optional) Encrypt the password when the password is defined or when
the configuration is written.
service password-encryption
TIP
If you specify an encryption type and then enter a clear text password,
you can not re-enter privileged EXEC mode. You cannot recover a lost
encrypted password by any method.
Содержание 1783-WAPAK9
Страница 240: ...240 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 6 Administering the WAP Access Notes...
Страница 300: ...300 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 8 Configuring Multiple SSIDs Notes...
Страница 440: ...440 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 14 Configuring RADIUS and TACACS Servers Notes...
Страница 456: ...456 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 15 Configuring VLANs...
Страница 476: ...476 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 16 Configuring QoS Notes...
Страница 482: ...482 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 17 Configuring Filters...
Страница 489: ...Rockwell Automation Publication 1783 UM006A EN P May 2014 489 Configuring Filters Chapter 17...
Страница 520: ...520 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 19 Configuring SNMP Notes...
Страница 572: ...572 Rockwell Automation Publication 1783 UM006A EN P May 2014 Chapter 21 Troubleshooting Notes...
Страница 578: ...578 Rockwell Automation Publication 1783 UM006A EN P May 2014 Appendix A Protocol Filters Notes...
Страница 594: ...594 Rockwell Automation Publication 1783 UM006A EN P May 2014 Appendix C Error and Event Messages Notes...
Страница 600: ...600 Rockwell Automation Publication 1783 UM006A EN P May 2014 Glossary Notes...
Страница 610: ...610 Rockwell Automation Publication 1783 UM006A EN P May 2014 Index Notes...
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