search for: kex_exchange_identif

...Example 1: (Connecting to an invalid host name) When connecting directly, the error message is clear: ssh: Could not resolve hostname invalid.tdl: Name or service not known But when using a jumpserver: channel 0: open failed: connect failed: Name or service not known stdio forwarding failed kex_exchange_identification: Connection closed by remote host Connection closed by UNKNOWN port 65535 Example 2: (sshd not running) Error message without Proxy: ssh: connect to host example.tdl port 22: Connection refused Error message with Proxy: ssh example.tdl channel 0: open failed: connect failed: Connecti...

...ly we are maintaining dunfell version openssh_8.2p1. Below is the error message we get. How can i resolve this issue? Could you please help here? sshd[27514]: Connection from UNKNOWN port 65535 on UNKNOWN port 65535 sshd[27514]: debug1: Local version string SSH-2.0-OpenSSH_8.2 sshd[27514]: error: kex_exchange_identification: Connection closed by remote host debug1: inetd sockets after dupping: 3, 4 bmt sshd[27580]: Connection from UNKNOWN port 65535 on UNKNOWN port 65535 debug1: Local version string SSH-2.0-OpenSSH_8.2 sshd[27580]: error: kex_exchange_identification: client sent invalid protocol identifier...

...se direct me to it. I haven't found anything in the archives. Any log messages including successful authentication and afterwards are still desired, so changing the log level to above INFO will not help. Additionally, even unauthenticated connections cause messages with levels ERROR ("kex_exchange_identification: Connection closed by remote host") or even CRITICAL ("Timeout before authentication"). As I periodically scan my hosts' syslogs for messages with level WARNING or above, I currently have to filter these messages to keep my inbox from overflowing. Thanks and best rega...

https://bugzilla.mindrot.org/show_bug.cgi?id=3161 Bug ID: 3161 Summary: ssh -J <public IPv6> <LL IPv6%scopeID> doesn't work as expected Product: Portable OpenSSH Version: 8.2p1 Hardware: 68k OS: Mac OS X Status: NEW Severity: enhancement Priority: P5

...com IdentityFile ~/.ssh/ssh-rsa-cert With this configuration, I can sign in to the bastion with ssh ssh.uswe2, but when I try to connect to the other server with ssh server2.uswe2 I get the following error: channel 0: open failed: administratively prohibited: open failed stdio forwarding failed kex_exchange_identification: Connection closed by remote host I can still connect directly to the server with ssh server2.uswe2.example.com over the public network though so I know that the CA and cert are being loaded correctly. My next thought was that maybe it was something to do with how the bastion is configured...

...39;t found anything in the > archives. > > Any log messages including successful authentication and afterwards are still > desired, so changing the log level to above INFO will not help. Additionally, > even unauthenticated connections cause messages with levels ERROR > ("kex_exchange_identification: Connection closed by remote host") or even > CRITICAL ("Timeout before authentication"). As I periodically scan my hosts' > syslogs for messages with level WARNING or above, I currently have to filter > these messages to keep my inbox from overflowing. > &g...

...ssh/id_ed25519_sk-cert type -1 debug1: identity file /home/ago/.ssh/id_xmss type -1 debug1: identity file /home/ago/.ssh/id_xmss-cert type -1 debug1: identity file /home/ago/.ssh/id_dsa type -1 debug1: identity file /home/ago/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.6 kex_exchange_identification: Connection closed by remote host Connection closed by 127.0.0.1 port 1080 Note that the three actors in this issue run OpenSSH_9.6p1, so since it worked for me in the recent past I started to think that was a recent issue with the OpenSSH_9.6p1 update (I was running 9.5 before), so I downg...

https://bugzilla.mindrot.org/show_bug.cgi?id=3117 Bug ID: 3117 Summary: Tracking bug for 8.2 release Product: Portable OpenSSH Version: -current Hardware: All OS: All Status: NEW Keywords: meta Severity: enhancement Priority: P5 Component: Miscellaneous Assignee:

https://bugzilla.mindrot.org/show_bug.cgi?id=3598 Bug ID: 3598 Summary: Dead lock of sshd and Defunct of sshd Product: Portable OpenSSH Version: 9.1p1 Hardware: ix86 OS: Linux Status: NEW Severity: normal Priority: P5 Component: sshd Assignee: unassigned-bugs at mindrot.org