Hi Bill, thanks a lot for this solution – I tried it out and it works! ☺
Cheers Markus Von: Bill Fenner [mailto:fen...@gmail.com] Gesendet: Dienstag, 9. Juni 2020 16:46 An: Markus Reusch <markus.reu...@raiffeisen.ch> Cc: net-snmp-users@lists.sourceforge.net; Daniel Koller <daniel.kol...@raiffeisen.ch> Betreff: Re: snmptrapd: Community-String not always passed to handler script Reading the 5.8 source, it looks like the "traphandle" directive accepts an undocumented "-F" argument - try traphandle -F "CommOrSecret=%u" default /appl/snmp/bin/handler.sh (Obviously you will need to play with the format to get the other information into it too) Bill On Thu, Jun 4, 2020 at 5:34 AM Markus Reusch <markus.reu...@raiffeisen.ch<mailto:markus.reu...@raiffeisen.ch>> wrote: Hello list, sorry to bump this up. Anyone got an idea how to enforce passing the community-string to the handler script? Cheers Markus --------------------------------------------- Hello list, we wrote a handler script that relies on getting the community-string as we the script uses this to generate an event and route it to the correct recipients. Usually for “real” traps sent by different devices, we can see the community-string in the snmptrapd.log. For test traps we send from the shell it most times doesn’t show up. So with adding something like format print Hostname=%B | CommOrSecret=%u | snmpV=%s | TrapDesc="%W"\n | Bindings=%v\n we can enforce that the community-string is written to the log, but our handler does not get this info. The handler is called with traphandle default /appl/snmp/bin/handler.sh Maintaining mappings like OIDs to different handler-scripts in snmptrapd.conf is no option for us. We do this with a text file in a table format which is being looked up by handler script which is much faster and easier for us. I saw that you can pass arguments to those scripts – is there a kind of variable that contains the community-string for example? Is there any way to ensure that the community-string is passed to the handler? I could not find anything in the documentation regarding this problem nor on the web. Thanks for a hint in advance. Cheers Markus ***************************************************** This e-mail may contain confidential material. It is intended only for the person or entity which it is addressed to. In case you should not be supposed to get this e-mail we ask you to delete it without taking notice of its content. Any views or opinions expressed in this e-mail are those of the sender and do not necessarily coincide with those of The Swiss Raiffeisen Group. Therefore this e-mail does not represent a binding agreement nor an offer to deal. E-Mail transmission can be insecure and can contain errors. Information could be intercepted, corrupted, lost, destroyed, incomplete or may contain viruses. Neither The Swiss Raiffeisen Group nor the sender can accept any liability for any kind of damage as the result of viruses or transmission errors. ***************************************************** _______________________________________________ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net<mailto:Net-snmp-users@lists.sourceforge.net> Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
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