RE: Need help on snmpv3 AuthPrev trap

[Gaikwad, Rupesh]

Hi Mike,

I am trying to decrypt the encryptedPDU. 

    my $var4 = $msgData->{encryptedPDU};
    Trace("encryptedPDU:$var4");


encryptedPDU:k¬ºïm=u¹ÖŠ‰÷É,ö8»cºÊ°³fÇåÙ¼p¡+˜ã
ìÎËbÅOùvˆ†&`¸
7by4I8«òpPëè¼…ˆÊäºP)–vè9ËS‚


I want to know how can I use DES package to decrypt it? 
How to get a plaintext out of the encrypted values? 
Any kind of help is appreciated. 

Best regards,
Rupesh

-----Original Message-----
From: Mike Ayers [mailto:mike_ay...@tvworks.com] 
Sent: Friday, September 11, 2009 3:12 AM
To: Gaikwad, Rupesh; net-snmp-users@lists.sourceforge.net
Subject: RE: Need help on snmpv3 AuthPrev trap

> From: Gaikwad, Rupesh [mailto:rupesh_gaik...@bmc.com]
> Sent: Thursday, September 10, 2009 12:04 AM


> 1.    What are all settings required for SNMPv3 traps?

        This is one of the most complex single subjects in computing.  OK, that 
may be an overstatement, but it is easily the most complex part of SNMP.  I 
suggest you stick to the trapsess directive, which manages the settings for you.

> 2.    What need to set in snmptrapd.conf and how to set it. An example
> would be better option

        I am baffled by the second sentence, but here's a sample entry:

trapsess -v3 -l authNoPriv -u fred-bob -A AuthPassword freds-linux

> 3.    What extra things needs to be set for AuthPrev v3 traps.

        Nothing!  Just change "-l authNoPriv" to "-l authPriv" and provide the 
privacy password.  See the snmpcmd manpage for details.


        HTH,

Mike

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