Juniper J-Series Administration Manual page 49

Table 21: Configuring Password Retry Limits for Telnet and SSH Access
Task
Navigate to the Retry options level in the configuration
hierarchy.
Configure password retry limits for Telnet and SSH access.
Tries—Maximum number of consecutive password
retries before a SSH or Telnet sessions is disconnected.
The default number is 10
between 1 and 10 .
Backoff threshold—Threshold number of password
retries after which a delay is introduced between two
consecutive password retries. The default number is
, but you can set a number between
2
Backoff factor—Delay (in seconds) between
consecutive password retries after the threshold
number of password retries. The default delay is in
multiples of seconds, but you can set a delay
5
between and seconds.
5 10
Minimum time—Minimum length of time (in seconds)
during which a Telnet or SSH session cannot be
disconnected. The default is
set a time between and
20
, but you can set a number
and .
1 3
seconds, but you can
20
seconds.
60
Configuring Password Retry Limits for Telnet and SSH Access
Chapter 1: Managing User Authentication and Access
J-Web Configuration Editor
1. In the J-Web interface, select
Configuration>View and
Edit>Edit Configuration.
2. Next to System, click Edit.
3. Next to Login, click Configure
or Edit.
4. Next to Retry options, click
Configure or Edit.
1. In the Tries before disconnect
box, type 4 .
2. In the Backoff threshold box,
type .
2
3. In the Backoff factor box, type
.
5
4. In the Minimum time box, type
.
40
5. Click OK.
CLI Configuration Editor
From the [edit] hierarchy
level, enter
edit system login
retry-options
1. Enter
set
tries-before-disconnect
4
2. Enter
set backoff-threshold
2
3. Enter
set backoff-factor 5
4. Enter
set minimum-time 40
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