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HARTING Electric GmbH
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Management Software Ha-VIS mCon Series / Edition 2.4
System Settings
User Manual Ha-VIS mCon Switch Management Software
Function
Description
Authentication
Protocol
Protocol used for User Authentication (MD5) or Secure Hash
Algorithm (SHA)
Range of value:
MD5
/
SHA
Default value:
MD5
Authentication
Specify the SNMPv3 password. It must be at least eight characters.
Range of value:
Not more than 20 printable characters
Default value:
none
Authentication Retype
Password
Repeat the specified SNMPv3 password.
Privacy Protocol
Protocol used for privacy.
Range of value:
DES
Default value:
DES
Privacy Password
Specify the SNMPv3 privacy password.
Range of value:
Not more than 20 printable characters
Default value:
none
Privacy Retype
Password
Repeat the specified SNMPv3 privacy password.
Note
If you don’t plan to use SNMP, you should make sure that both versions are disabled so that
maximum security is ensured.
Note
A MIB (Management Information Base) file can be found on the enclosed CD. With the MIB
information you get open-standard access to the switch using SNMP management software.
8.4.1 SNMP V1/V2C
For V1/V2 operations, the HARTING SNMP Agent provides a community-based
Security
Mechanism
.
Community
names are encoded into V1/V2 messages and the Agent verifies the
privilege status of the community name before responding to it. Community names are associated
with the privilege status. The privilege status can be of the types read-only or read-write.
Function
Description
Enable
Check this box to launch the SNMP agent and allow access to the
switch via SNMP version 1/2c.
Range of value:
Enable
/
Disable
Default value:
Enable
Read Community
Specify the community name for SNMP read access. The default is
public
.
Range of value:
Not more than 20 printable characters.
Default value:
public
Read/Write
Community
Specify the community name for SNMP read and write access. The
default is
private
. This community string acts as an SNMP password;
you should pick one that it difficult to guess.
Range of value:
Not more than 20 printable characters
Default value:
private
8.4.2 SNMP V3
The HARTING SNMP Agent provides complete support for User based Security Model.
The following security algorithms are supported:
•
Authentication
HMAC MD5 and HMAC- SHA
•
Encryption
DES-CBC
Three levels of security are supported.
•
NoAuthNoPriv
No Authentication and no Privacy
•
AuthNoPriv
Authentication and no Privacy
•
AuthPriv
Authentication and Privacy
Function
Description
Enable
Check this box to launch the SNMP agent and allow access to the
switch via SNMP version 3.
Range of value:
Enable
/
Disable
Default value:
Enable
User
Specify the user name for SNMP version 3 access.
Range of value:
Not more than 20 printable characters.
Default value:
harting
Access Level
NoAuthNoPriv
No authentication and no message encryption
AuthNoPriv
Enables message digest (MD5) or Secure Hash
Algorithm (SHA) packet authentication, but no
message encryption
AuthPriv
Both authentication and message encryption.
Range of value:
NoAuthNoPriv
/
AuthNoPriv
/
AuthPriv
Default value:
AuthPriv