RE: [tkined] Again: noResponse for generator -address != 127.0.0. 1

From: ICM CA MS NM E3 Guest 2 (ICM-Ca-Ms-Nm-E3.Guest-2@icn.siemens.de)
Date: Mon Jul 16 2001 - 10:07:15 MET DST

 Thanks very much, I'll try that. But isn't it possible to accept requests from every IP address in the responder (the same way the listener accepts traps)?

Thanks very much,
Toni

-----Original Message-----
From: Erik Schoenfelder
To: ICM-Ca-Ms-Nm-E3.Guest-2@icn.siemens.de
Cc: tkined@ibr.cs.tu-bs.de
Sent: 7/15/01 12:52 PM
Subject: Re: [tkined] Again: noResponse for generator -address != 127.0.0.1

Hi,

Toni> Having the same problem Joseph had, but on WinNT4.0 with both
Toni> the 00-02-19 and the 00-08-31 binary snapshots. I did not find
Toni> any information on this in the Readme, FAQ and the mail
Toni> archives. So though I'm a newbie, please give me a hint.

well, the answer in in the source:

the session is set up with TnmSnmpCreateSession(), that initializes
the default address with 127.0.0.1 and then binds only to this
address/port combo. therefore with other adresses the port is
unreachable.

a responder session does not have -address configure option. maybe by
accident, maybe by a deeply hidden reason :-)

adding the -address option should cause no harm, because it does not
break the default behavior; a simple patch would be:

--- scotty/tnm/snmp/tnmSnmpTcl.c-merk Wed Jun 28 14:44:33 2000
+++ scotty/tnm/snmp/tnmSnmpTcl.c Sun Jul 15 12:42:41 2001
@@ -198,6 +198,7 @@
 };
 
 static TnmTable responderOptionTable[] = {
+ { optAddress, "-address" },
     { optPort, "-port" },
     { optVersion, "-version" },
     { optCommunity, "-community" },

so the responder can listen to the port at any address:

> Tnm::snmp responder -address 0.0.0.0 -port 161 -community public

but then a non-default community string could be wise, but anyway.

                                                        Erik 

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