[Bug 3777] New: error: kex_exchange_identification: Connection closed by remote host

[bugzilla-daemon at mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=3777

            Bug ID: 3777
           Summary: error: kex_exchange_identification: Connection closed
                    by remote host
           Product: Portable OpenSSH
           Version: 9.2p1
          Hardware: amd64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: jvishwanath66 at gmail.com

The following error log has been continuously reported in
/var/log/auth.log

Dec 31 04:50:08 devnode-host sshd[19205]: error:
kex_exchange_identification: Connection closed by remote host
Dec 31 04:50:08 devnode-host sshd[19205]: Connection closed by
10.203.0.4 port 45196
Dec 31 04:50:21 devnode-host sshd[19277]: error:
kex_exchange_identification: Connection closed by remote host
Dec 31 04:50:21 devnode-host sshd[19277]: Connection closed by
10.203.0.4 port 45258
Dec 31 04:50:33 devnode-host sshd[19385]: error:
kex_exchange_identification: Connection closed by remote host
Dec 31 04:50:33 devnode-host sshd[19385]: Connection closed by
10.203.0.4 port 45294
Dec 31 04:50:44 devnode-host sshd[19458]: error:
kex_exchange_identification: Connection closed by remote host
Dec 31 04:50:44 devnode-host sshd[19458]: Connection closed by
10.203.0.4 port 45332
Dec 31 04:50:56 devnode-host sshd[19558]: error:
kex_exchange_identification: Connection closed by remote host
Dec 31 04:50:56 devnode-host sshd[19558]: Connection closed by
10.203.0.4 port 45374

OS:
Debian 12.8

Kernel: 
6.6.68

List of SSH Packages
/home/admin# dpkg -l | grep "ssh"
ii  libssh2-1:amd64                1.10.0-3+b1                         
  amd64        SSH2 client-side library
ii  openssh-client                 1:9.2p1-2+deb12u3                   
  amd64        secure shell (SSH) client, for secure access to remote
machines
ii  openssh-server                 1:9.2p1-2+deb12u3                   
  amd64        secure shell (SSH) server, for secure access from remote
machines
ii  openssh-sftp-server            1:9.2p1-2+deb12u3                   
  amd64        secure shell (SSH) sftp server module, for SFTP access
from remote machines
ii  python3-paramiko               2.12.0-2                            
  all          Make ssh v2 connections (Python 3)
ii  ssh                            1:9.2p1-2+deb12u3                   
  all          secure shell client and server (metapackage)

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