[
https://issues.apache.org/jira/browse/SSHD-938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924066#comment-16924066
]
Anudeep commented on SSHD-938:
------------------------------
Hi [~lgoldstein],
One quick question.
Is there a way to decrypt the above packet to understand what actually it is.
I mean this message
Error decoding packet (invalid length) a5 5f 74 5f a6 6f ea 41 02 c0 0a 54 83
22 e4 77 53 7d 0d b9 25 de 36 1d 07 cb cd 43 66 95 51 b2 72 54 d5 4e 2d 0a d5
17 f4 5e 81 4d 6a b8 ab f7 00 bf 4d 40 f5 56 b7 61 9b 8a be fe 54 d4 89 a2 c5
07 3c de 25 95 44 18 4f 90 dc aa 5b de 40 85 71 12 cc f6 c0 34 8d 0e 75 95 a5
5b 8d f6 b9 f6 94 04 d8 b5 25 5c d5 58 06 d1 82 68 13 2f 4c a0 ee 78 6b 20 97
52 2d 93 4c 88 bc 17 53 ca eb 34 23 c1 c6 1e 5a f9 31 e7 52 f9 ef 88 03 de e8
af ba 11 5e 97 50 1e c2 26 ba 80 34 55 3f 38 49 0c a9 80 8c a3 fe 6f b6 b6 5d
45 41 e9 e0 e6 d5 15 d6 44 f8 c42019-08-22 09:53:29,106
Regards,
Anudeep
> SSH sessions being closed with invalid packet length
> ----------------------------------------------------
>
> Key: SSHD-938
> URL: https://issues.apache.org/jira/browse/SSHD-938
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Anudeep
> Assignee: Goldstein Lyor
> Priority: Blocker
> Attachments: server.7z
>
>
> SSH connections are being closed with invalid packet length and TCP
> connection goes into CLOSE_WAIT state and once CLOSE_WAIT state count crosses
> 4 no more SSH connection is being allowed.
> with SSHD-core-0.13.0
>
> Below is the error
> 2019-08-22 09:53:29,106 INFO [org.apache.sshd.server.session.ServerSession]
> (sshd-SshServer[6162dce4]-nio2-thread-2) Error decoding packet (invalid
> length) a5 5f 74 5f a6 6f ea 41 02 c0 0a 54 83 22 e4 77 53 7d 0d b9 25 de 36
> 1d 07 cb cd 43 66 95 51 b2 72 54 d5 4e 2d 0a d5 17 f4 5e 81 4d 6a b8 ab f7 00
> bf 4d 40 f5 56 b7 61 9b 8a be fe 54 d4 89 a2 c5 07 3c de 25 95 44 18 4f 90 dc
> aa 5b de 40 85 71 12 cc f6 c0 34 8d 0e 75 95 a5 5b 8d f6 b9 f6 94 04 d8 b5 25
> 5c d5 58 06 d1 82 68 13 2f 4c a0 ee 78 6b 20 97 52 2d 93 4c 88 bc 17 53 ca eb
> 34 23 c1 c6 1e 5a f9 31 e7 52 f9 ef 88 03 de e8 af ba 11 5e 97 50 1e c2 26 ba
> 80 34 55 3f 38 49 0c a9 80 8c a3 fe 6f b6 b6 5d 45 41 e9 e0 e6 d5 15 d6 44 f8
> c42019-08-22 09:53:29,106 INFO
> [org.apache.sshd.server.session.ServerSession]
> (sshd-SshServer[6162dce4]-nio2-thread-2) Error decoding packet (invalid
> length) a5 5f 74 5f a6 6f ea 41 02 c0 0a 54 83 22 e4 77 53 7d 0d b9 25 de 36
> 1d 07 cb cd 43 66 95 51 b2 72 54 d5 4e 2d 0a d5 17 f4 5e 81 4d 6a b8 ab f7 00
> bf 4d 40 f5 56 b7 61 9b 8a be fe 54 d4 89 a2 c5 07 3c de 25 95 44 18 4f 90 dc
> aa 5b de 40 85 71 12 cc f6 c0 34 8d 0e 75 95 a5 5b 8d f6 b9 f6 94 04 d8 b5 25
> 5c d5 58 06 d1 82 68 13 2f 4c a0 ee 78 6b 20 97 52 2d 93 4c 88 bc 17 53 ca eb
> 34 23 c1 c6 1e 5a f9 31 e7 52 f9 ef 88 03 de e8 af ba 11 5e 97 50 1e c2 26 ba
> 80 34 55 3f 38 49 0c a9 80 8c a3 fe 6f b6 b6 5d 45 41 e9 e0 e6 d5 15 d6 44 f8
> c42019-08-22 09:53:29,106 DEBUG [org.apache.sshd.common.io.nio2.Nio2Session]
> (sshd-SshServer[6162dce4]-nio2-thread-2) Caught exception, now calling
> handler2019-08-22 09:53:29,106 WARN
> [org.apache.sshd.server.session.ServerSession]
> (sshd-SshServer[6162dce4]-nio2-thread-2) Exception caught:
> org.apache.sshd.common.SshException: Invalid packet length: -16976455 at
> org.apache.sshd.common.session.AbstractSession.decode(AbstractSession.java:677)
> [sshd-core-0.13.0.jar:0.13.0] at
> org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:283)
> [sshd-core-0.13.0.jar:0.13.0] at
> org.apache.sshd.common.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:54)
> [sshd-core-0.13.0.jar:0.13.0] at
> org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:184)
> [sshd-core-0.13.0.jar:0.13.0] at
> org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:170)
> [sshd-core-0.13.0.jar:0.13.0] at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32)
> [sshd-core-0.13.0.jar:0.13.0] at
> java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.8.0_172]
> at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30)
> [sshd-core-0.13.0.jar:0.13.0] at
> sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) [rt.jar:1.8.0_172] at
> sun.nio.ch.Invoker$2.run(Invoker.java:218) [rt.jar:1.8.0_172] at
> sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
> [rt.jar:1.8.0_172] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [rt.jar:1.8.0_172]
--
This message was sent by Atlassian Jira
(v8.3.2#803003)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
