I'm trying to fully understand the pros of the snmp but for now I'm still moving the first steps :D Anyway...thanks again for your help
Il 23/06/2010 11:55, Kazantsev, Andrey V. ha scritto: > Yes, you right - in UserTarget you should use security name that is exist in > USM - i.e., that you created with UsmUser. This tells what security settings > to use when sending traps (you can create more than one UsmUser with > different settings and use any of them in UserTarget). > > -----Original Message----- > From: Gian Marco Gallo [mailto:gianmarco.ga...@elaide.com] > Sent: Wednesday, June 23, 2010 16:47 > To: Kazantsev, Andrey V. > Cc: snmp4j@agentpp.org > Subject: Re: [SNMP4J] Unsupported security model > > I've done this: > > UserTarget target = new UserTarget(); > target.setSecurityName(new OctetString("CryptoExtWeb")); > > Then I've done this: > > UsmUser user = new UsmUser(new OctetString("CryptoExtWeb"), null, null, > null, null); > > In this way the code works fine and the trap is sent but if I use > different OctetStrings this runtime exception is returned. > > 11:39:14,575 ERROR [STDERR] org.snmp4j.MessageException: Message > processing model 3 returned error: Unknown security name > 11:39:14,575 ERROR [STDERR] at > org.snmp4j.MessageDispatcherImpl.sendPdu(MessageDispatcherImpl.java:465) > 11:39:14,575 ERROR [STDERR] at > org.snmp4j.Snmp.sendMessage(Snmp.java:1067) > 11:39:14,575 ERROR [STDERR] at org.snmp4j.Snmp.send(Snmp.java:882) > 11:39:14,575 ERROR [STDERR] at org.snmp4j.Snmp.send(Snmp.java:875) > 11:39:14,575 ERROR [STDERR] at org.snmp4j.Snmp.send(Snmp.java:840) > 11:39:14,575 ERROR [STDERR] at > com.elaide.crypto.ext.web.snmp.TrapSnmp.sendTrap(TrapSnmp.java:123) > 11:39:14,575 ERROR [STDERR] at > com.elaide.crypto.ext.web.snmp.TrapSnmp.createAndSend(TrapSnmp.java:50) > 11:39:14,575 ERROR [STDERR] at > com.elaide.crypto.ext.web.listeners.IndexListener.loadUserManager(IndexListener.java:47) > 11:39:14,575 ERROR [STDERR] at > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > 11:39:14,576 ERROR [STDERR] at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > 11:39:14,576 ERROR [STDERR] at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > 11:39:14,576 ERROR [STDERR] at > java.lang.reflect.Method.invoke(Method.java:597) > 11:39:14,576 ERROR [STDERR] at bsh.Reflect.invokeMethod(Unknown Source) > 11:39:14,576 ERROR [STDERR] at > bsh.Reflect.invokeObjectMethod(Unknown Source) > 11:39:14,576 ERROR [STDERR] at bsh.Name.invokeMethod(Unknown Source) > 11:39:14,576 ERROR [STDERR] at bsh.BSHMethodInvocation.eval(Unknown > Source) > 11:39:14,576 ERROR [STDERR] at bsh.BSHPrimaryExpression.eval(Unknown > Source) > 11:39:14,576 ERROR [STDERR] at bsh.BSHPrimaryExpression.eval(Unknown > Source) > 11:39:14,576 ERROR [STDERR] at bsh.Interpreter.eval(Unknown Source) > 11:39:14,576 ERROR [STDERR] at bsh.Interpreter.eval(Unknown Source) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.scripting.bsh.BSHInterpreter.exec(BSHInterpreter.java:134) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.scripting.util.GenericInterpreter.interpret(GenericInterpreter.java:341) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.ui.impl.PageImpl.interpret(PageImpl.java:840) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:175) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:140) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:517) > 11:39:14,576 ERROR [STDERR] at > org.zkoss.zk.ui.impl.EventProcessingThreadImpl.run(EventProcessingThreadImpl.java:444) > > > So I've deduced that the two OctetStrings must be equal. > > > Il 23/06/2010 11:30, Kazantsev, Andrey V. ha scritto: >> I'm glad to hear that I helped you. >> >> What user name do you mean? In fact there is only security name, which is >> first argument to UsmUser constructor. You use it later for adding this user >> to USM instance (usm.addUser(user.getSecurityName(), user)). I just called >> security name with "username", but it could be arbitrary string. >> >> -----Original Message----- >> From: Gian Marco Gallo [mailto:gianmarco.ga...@elaide.com] >> Sent: Wednesday, June 23, 2010 16:12 >> To: Kazantsev, Andrey V. >> Subject: Re: [SNMP4J] Unsupported security model >> >> Hello >> >> Thanks for your quick reply. I've tried your code and after five tries >> it now works. In fact I didn't understand that the username and the >> security name have to be equals (confirm?). But now it works fine. >> >> Thanks again for your help >> Have a nice day >> >> >> Il 23/06/2010 04:28, Kazantsev, Andrey V. ha scritto: >>> Hello. >>> >>> I think you should create USM (User Security Model) and add it to your SNMP >>> session. Consider following example: >>> >>> USM usm = new USM(SecurityProtocols.getInstance(), new >>> OctetString(MPv3.createLocalEngineID()), 0); >>> SecurityModels.getInstance().addSecurityModel(usm); >>> >>> Also you maybe want to add user (noAuthNoPriv): >>> user = new UsmUser(new OctetString("username"), null, null, null, null); >>> usm.addUser(user.getSecurityName(), user); >>> >>> This example code from http://www.snmp4j.org/doc/org/snmp4j/Snmp.html >>> >>> Also you can look at SnmpRequest.java from >>> snmp4j-1.11.zip\snmp4j-1.11\src\org\snmp4j\tools\console\ >>> >>> -----Original Message----- >>> From: snmp4j-boun...@agentpp.org [mailto:snmp4j-boun...@agentpp.org] On >>> Behalf Of Gian Marco Gallo >>> Sent: Tuesday, June 22, 2010 21:41 >>> To: snmp4j@agentpp.org >>> Subject: [SNMP4J] Unsupported security model >>> >>> Good afternoon >>> >>> I am trying to send a trap message to a server listening for snmp messages >>> but when I try to send the trap an exception is throwed: >>> 16:20:12,817 ERROR [STDERR] org.snmp4j.MessageException: Message processing >>> model 3 returned error: Unsupported security model >>> 16:20:12,817 ERROR [STDERR] at >>> org.snmp4j.MessageDispatcherImpl.sendPdu(MessageDispatcherImpl.java:465) >>> 16:20:12,818 ERROR [STDERR] at >>> org.snmp4j.Snmp.sendMessage(Snmp.java:1067) >>> 16:20:12,818 ERROR [STDERR] at org.snmp4j.Snmp.send(Snmp.java:882) >>> 16:20:12,818 ERROR [STDERR] at org.snmp4j.Snmp.send(Snmp.java:875) >>> 16:20:12,818 ERROR [STDERR] at org.snmp4j.Snmp.send(Snmp.java:840) >>> 16:20:12,818 ERROR [STDERR] at >>> com.elaide.crypto.ext.web.snmp.TrapSnmp.sendTrap(TrapSnmp.java:94) >>> 16:20:12,818 ERROR [STDERR] at >>> com.elaide.crypto.ext.web.snmp.TrapSnmp.createAndSend(TrapSnmp.java:42) >>> 16:20:12,818 ERROR [STDERR] at >>> com.elaide.crypto.ext.web.listeners.IndexListener.loadUserManager(IndexListener.java:47) >>> 16:20:12,818 ERROR [STDERR] at >>> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> 16:20:12,818 ERROR [STDERR] at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>> 16:20:12,818 ERROR [STDERR] at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> 16:20:12,818 ERROR [STDERR] at >>> java.lang.reflect.Method.invoke(Method.java:597) >>> 16:20:12,818 ERROR [STDERR] at bsh.Reflect.invokeMethod(Unknown Source) >>> 16:20:12,818 ERROR [STDERR] at >>> bsh.Reflect.invokeObjectMethod(Unknown Source) >>> 16:20:12,818 ERROR [STDERR] at bsh.Name.invokeMethod(Unknown Source) >>> 16:20:12,818 ERROR [STDERR] at bsh.BSHMethodInvocation.eval(Unknown >>> Source) >>> 16:20:12,818 ERROR [STDERR] at bsh.BSHPrimaryExpression.eval(Unknown >>> Source) >>> 16:20:12,819 ERROR [STDERR] at bsh.BSHPrimaryExpression.eval(Unknown >>> Source) >>> 16:20:12,819 ERROR [STDERR] at bsh.Interpreter.eval(Unknown Source) >>> 16:20:12,819 ERROR [STDERR] at bsh.Interpreter.eval(Unknown Source) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.scripting.bsh.BSHInterpreter.exec(BSHInterpreter.java:134) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.scripting.util.GenericInterpreter.interpret(GenericInterpreter.java:341) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.ui.impl.PageImpl.interpret(PageImpl.java:840) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:175) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:140) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:517) >>> 16:20:12,819 ERROR [STDERR] at >>> org.zkoss.zk.ui.impl.EventProcessingThreadImpl.run(EventProcessingThreadImpl.java:444) >>> >>> I've searched for two days a solution in the snmp4j documentation and over >>> internet but no luck. Do you have an idea? >>> I'm attaching my simple snmp class. >>> >>> Thanks in advance >>> >>> -- >>> Gian Marco Gallo >>> Elaide SRL >>> >>> Email: gianmarco.ga...@elaide.com >>> Phone: +39 049 4102390 >>> >>> >>> > -- Gian Marco Gallo Elaide SRL Email: gianmarco.ga...@elaide.com Phone: +39 049 4102390 _______________________________________________ SNMP4J mailing list SNMP4J@agentpp.org http://lists.agentpp.org/mailman/listinfo/snmp4j
