Re: Ignite communicating with non ignite servers

[Evgenii Zhuravlev <e....@gmail.com>]

Hi,

Can you please tell what scan were you running? I want to reproduce this
issue using tenable.sc.

Thank you,
Evgenii


вт, 22 сент. 2020 г. в 06:55, Ilya Kasnacheev <il...@gmail.com>:

> Hello!
>
> I don't think it should cause heap dumps. Here you are showing just a
> warning. This warning may be ignored.
>
> It's outside of scope of Apache Ignite to disable something else to try
> connecting to it. If you have invasive security port scanning, you will
> expect to see warnings/errors in the logs of any network application.
>
> Regards,
> --
> Ilya Kasnacheev
>
>
> вт, 22 сент. 2020 г. в 16:26, ignite_user2016 <ri...@gmail.com>:
>
>> We have SSL enabled on all servers but some how it s trying to attempt
>> connection on SSL causing heap dumps. Is there a way to disable to
>> external
>> server try connecting to ignite ?
>>
>> 2020-09-10 22:52:47,029 WARN [grid-nio-worker-tcp-comm-3-#27%NAME_GRID%]
>> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi Client
>> disconnected abruptly due to network connection loss or because the
>> connection was left open on application shutdown. [cls=class
>> o.a.i.i.util.nio.GridNioException, msg=Failed to decode SSL data:
>> GridSelectorNioSessionImpl [worker=DirectNioClientWorker
>> [super=AbstractNioClientWorker [idx=3, bytesRcvd=13315002728, bytesSent=0,
>> bytesRcvd0=18, bytesSent0=0, select=true, super=GridWorker
>> [name=grid-nio-worker-tcp-comm-3, igniteInstanceName=WebGrid,
>> finished=false, heartbeatTs=1599796365124, hashCode=1230825885,
>> interrupted=false, runner=grid-nio-worker-tcp-comm-3-#27%WebGrid%]]],
>> writeBuf=java.nio.DirectByteBuffer[pos=0 lim=32768 cap=32768],
>> readBuf=java.nio.DirectByteBuffer[pos=18 lim=18 cap=32768],
>> inRecovery=null,
>> outRecovery=null, closeSocket=true,
>>
>> outboundMessagesQueueSizeMetric=o.a.i.i.processors.metric.impl.LongAdderMetric@69a257d1
>> ,
>> super=GridNioSessionImpl [locAddr=/*IG_SERVER1*:47101, rmtAddr=/*SEC_SCAN*
>> SERVER:52082, createTime=1599796365124, closeTime=0, bytesSent=0,
>> bytesRcvd=18, bytesSent0=0, bytesRcvd0=18, sndSchedTime=1599796365124,
>> lastSndTime=1599796365124, lastRcvTime=1599796367026, readsPaused=false,
>> filterChain=FilterChain[filters=[GridNioCodecFilter
>> [parser=o.a.i.i.util.nio.GridDirectParser@20ca1d6a, directMode=true],
>> GridConnectionBytesVerifyFilter, SSL filter], accepted=true,
>> markedForClose=false]]]
>>
>>
>>
>> --
>> Sent from: http://apache-ignite-users.70518.x6.nabble.com/
>>
>