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Industrial Managed
Ethernet Switch – EH9711
User Manual
Page
43
of
223
Label
Description
Factory
Default
Cmd Lvl
Enable accounting of all commands with a privilege level higher than or equal to
this level. Valid values are in the range 0 to 15. Leave the field empty to disable
command accounting.
NULL
Exec
Enable exec (login) accounting.
Unclicked
2.5.1.4
Switch SSH
Users can enabled/disabled SSH (Secure Shell) mode through
SSH Configuration
webpage, as shown in Figure 2.31. Here,
users can select
Enabled/Disabled
from the drop-down list of
Mode
field. Please click
Save
button for a change to take effect
or
Reset
button to undo any changes made locally and revert to previously saved values.
Figure 2.31 Webpage to Configure SSH
2.5.1.5
HTTPS
Users can enabled/disabled HTTPS (Hypertext Transfer Protocol over Secure Socket Layer) mode through
HTTPS
Configuration
Webpage, as shown in Figure 2.32. HTTPS provide authentication and encrypted communication and is widely
used on the World Wide Web for security-sensitive communication such as payment transactions and corporate logons. HTTPS
is really just the use of Secure Socket Layer (SSL) as a sublayer under its regular HTTP application layering. (HTTPS uses
port 443 instead of HTTP port 80 in its interactions with the lower layer, TCP/IP.) SSL uses a 40-bit key size for the RC4
stream encryption algorithm, which is considered an adequate degree of encryption for commercial exchange.
There are total of four fields:
Mode
,
Automatic Redirect
,
Certificate Maintain,
and
Certificate Status.
In the
Mode
field,
users can select
Enabled/Disabled
the HTTPs mode. In the
Automatic Redirect
field, users can select to
Enabled/Disabled
this mode. When it is enabled, a HTTP connection will be automatically redirected to be a HTTPS connection. Note here that
the browser may not allow to redirection if the browser does not trust the switch certificate. In such case, users need to initialize
the HTTPS connection manually. For the
Certificate Maintain
field, users can choose type of operation whether to do nothing
(
None
), delete the current certificate (
Delete
), upload a new certificate (
Upload
), and generate a new certificate (
Generate
).
In the last field,
Certificate Status
, it displays the current status of certificate on the switch. Please click
Save
button for a
change to take effect or
Reset
button to undo any changes made locally and revert to previously saved values.
If the user selects the
Upload
option for
Certificate Maintain
field, the webpage will be updated with additional fields which
are
Certificate Pass Phrase
,
Certificate Upload
, and
File Upload
as shown in Figure 2.33. Table 2.21 summarizes the
descriptions of fields in HTTPS Configuration webpage.
Note that to upload a certificate PEM file into the switch, the file should contain the certificate and private key together. If
users have two separated files for saving certificate and private key, users can use the Linux cat command to combine them
into a single PEM file. For example, cat my.cert my.key > my.pem. The RSA certificate is recommended since most of the
new version of browsers has removed support for DSA in certificate