Abnormal Disconnect Core Shell Version 2.0.2 on mac

Hi
Could anyone help me resolve an issue of 'Abnormal Disconnect' and fixing constant retries.
I am using version 2.0.2 on macOS Catalina version 10.15.5

Thanks

Hi Mike, could you please enable logging, and paste the log here?

Don't forget to remove sensitive information from the log output.

Thanks for the quick response.

Below is the log

## NODE-NAME ##

----------------------------------------
Equivalent Command: ssh -v -o ExitOnForwardFailure=yes -o PasswordAuthentication=yes username@x.x.x.x
11:37:35 Connecting…
11:37:35 Using Embeded Helper 4.4 (r44)
11:37:35 OpenSSH_8.0p1, OpenSSL 1.0.2s  28 May 2019
11:37:35 debug1: Reading configuration data /Users/mike/Library/Group Containers/E78WKS7W4U.io.coressh.ssh/.ssh/config
11:37:35 debug1: /Users/mike/Library/Group Containers/E78WKS7W4U.io.coressh.ssh/.ssh/config line 7: Applying options for *
11:37:35 debug1: Connecting to x.x.x.x [x.x.x.x] port 22.
11:37:35 debug1: Connection established.
11:37:35 debug1: identity file /Users/mike/.ssh/id_rsa type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_rsa-cert type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_dsa type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_dsa-cert type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_ecdsa type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_ecdsa-cert type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_ed25519 type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_ed25519-cert type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_xmss type -1
11:37:35 debug1: identity file /Users/mike/.ssh/id_xmss-cert type -1
11:37:35 debug1: Local version string SSH-2.0-OpenSSH_8.0
11:37:35 debug1: Remote protocol version 2.0, remote software version -
11:37:35 debug1: no match: -
11:37:35 debug1: Authenticating to x.x.x.x:22 as 'username'
11:37:35 debug1: SSH2_MSG_KEXINIT sent
11:37:35 Authenticating…
11:37:35 debug1: SSH2_MSG_KEXINIT received
11:37:35 debug1: kex: algorithm: (no match)
11:37:35 Unable to negotiate with x.x.x.x port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
11:37:35 Abnormal Disconnect
11:37:35 Connection failed, retry after 3s…
----------------------------------------
Equivalent Command: ssh -v -o ExitOnForwardFailure=yes -o PasswordAuthentication=yes username@x.x.x.x
11:37:38 Connecting…
11:37:38 Using Embeded Helper 4.4 (r44)
11:37:39 OpenSSH_8.0p1, OpenSSL 1.0.2s  28 May 2019
11:37:39 debug1: Reading configuration data /Users/mike/Library/Group Containers/E78WKS7W4U.io.coressh.ssh/.ssh/config
11:37:39 debug1: /Users/mike/Library/Group Containers/E78WKS7W4U.io.coressh.ssh/.ssh/config line 7: Applying options for *
11:37:39 debug1: Connecting to x.x.x.x [x.x.x.x] port 22.
11:37:39 debug1: Connection established.
11:37:39 debug1: identity file /Users/mike/.ssh/id_rsa type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_rsa-cert type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_dsa type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_dsa-cert type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_ecdsa type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_ecdsa-cert type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_ed25519 type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_ed25519-cert type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_xmss type -1
11:37:39 debug1: identity file /Users/mike/.ssh/id_xmss-cert type -1
11:37:39 debug1: Local version string SSH-2.0-OpenSSH_8.0
11:37:39 debug1: Remote protocol version 2.0, remote software version -
11:37:39 debug1: no match: -
11:37:39 debug1: Authenticating to x.x.x.x:22 as 'username'
11:37:39 debug1: SSH2_MSG_KEXINIT sent
11:37:39 Authenticating…
11:37:39 debug1: SSH2_MSG_KEXINIT received
11:37:39 debug1: kex: algorithm: (no match)
11:37:39 Unable to negotiate with x.x.x.x port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
11:37:39 Abnormal Disconnect
11:37:39 Connection failed, retry after 3s…
11:37:41 Disconnected

Mike, could you please install Core Helper and try again the connection?

Hi Yang

Thanks alot. it works now.

Great :smiley: