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12-20-2010 06:44 AM
12-20-2010 06:44 AM
How to close port 161 corresponding to SNMP V1 ?
I am actually using the switch HP Procurve 2848 and 2910al and I would like to close the 161 port corresponding to snmpv1.
Even if I do a no snmpv3 enable, I am still observing the snmpv1 port open with nmap.
Is it possible to close the port snmpv1 (161) ?
Best regards,
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12-21-2010 01:46 AM
12-21-2010 01:46 AM
Re: How to close port 161 corresponding to SNMP V1 ?
The best way to do this is to use the "ip authorized-managers" command to lock access to those addresses (either whole subnets or specific IP addresses) you want.
HTH
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12-21-2010 05:36 AM
12-21-2010 05:36 AM
Re: How to close port 161 corresponding to SNMP V1 ?
The snmpv1 and v2 is still living on the switch. I could only disable snmpv3 and restrict the IP authorized to access to the switch.
However it is not possible to kill or stop the snmpv1 "service" that is still running.
Best regards,
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12-21-2010 06:51 AM
12-21-2010 06:51 AM
Re: How to close port 161 corresponding to SNMP V1 ?
Yes, it won't stop the SNMP service running on the switch but only those addresses listed in ip auth-managers will be able to query the switch using SNMP.
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12-21-2010 07:07 AM
12-21-2010 07:07 AM
Re: How to close port 161 corresponding to SNMP V1 ?
Another question :
When I do a telnet to the switch, I get a banner with a lot of information (switch model number, software revision,etc). Is it possible to reduce these information (banner) when we do a telnet (or http:\\) without disabling the web browser and telnet option ?
Best regards,
Anthony TOUCHET
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12-21-2010 07:21 AM
12-21-2010 07:21 AM
Re: How to close port 161 corresponding to SNMP V1 ?
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12-21-2010 07:52 AM
12-21-2010 07:52 AM
Re: How to close port 161 corresponding to SNMP V1 ?
Best regards,
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12-21-2010 07:55 AM
12-21-2010 07:55 AM
Re: How to close port 161 corresponding to SNMP V1 ?
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12-21-2010 08:18 AM
12-21-2010 08:18 AM
Re: How to close port 161 corresponding to SNMP V1 ?
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12-21-2010 08:20 AM
12-21-2010 08:20 AM
Re: How to close port 161 corresponding to SNMP V1 ?
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