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[no subject]
- Subject:
- From: Elwood Downey via X11-users <email@hidden>
- Date: Tue, 5 May 2020 13:29:47 -0700
Hello!
ssh -X and ssh -Y both failing:
from an Apple Air running High Sierra 10.13.6, host air2
to iMac running Catalina 10.15.4, host ecd-imac27
All worked fine until latest upgrade of Catalina. Both running XQuartz
2.7.11. Now it fails as follows:
air2: ssh -X ecd-imac27.local
X11 forwarding request failed on channel 0
Last login: Tue Apr 28 16:20:02 2020 from fe80::873:528c:d42b:c768%en1
ecd-imac27:
Note I can still create a tunnel connection manually on :1 just fine:
air2: ssh -R 6001:127.0.0.1:6000 ecd-imac27.local
Last login: Tue Apr 28 16:21:20 2020 from 192.168.7.112
ecd-imac27: setenv DISPLAY :1
ecd-imac27: xeyes *displays correctly on air2*
Any idea what happened?
I've pasted output from "ssh -v" below in case it helps.
Many thanks,
Elwood Downey, Tucson AZ
air2: ssh -v -X ecd-imac27.local
OpenSSH_7.8p1, LibreSSL 2.6.2
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 48: Applying options for *
debug1: /etc/ssh/ssh_config line 52: Applying options for *
debug1: Connecting to ecd-imac27.local port 22.
debug1: Connection established.
debug1: identity file /Users/ecdowney/.ssh/id_rsa type 0
debug1: identity file /Users/ecdowney/.ssh/id_rsa-cert type -1
debug1: identity file /Users/ecdowney/.ssh/id_dsa type -1
debug1: identity file /Users/ecdowney/.ssh/id_dsa-cert type -1
debug1: identity file /Users/ecdowney/.ssh/id_ecdsa type -1
debug1: identity file /Users/ecdowney/.ssh/id_ecdsa-cert type -1
debug1: identity file /Users/ecdowney/.ssh/id_ed25519 type -1
debug1: identity file /Users/ecdowney/.ssh/id_ed25519-cert type -1
debug1: identity file /Users/ecdowney/.ssh/id_xmss type -1
debug1: identity file /Users/ecdowney/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.8
debug1: Remote protocol version 2.0, remote software version OpenSSH_8.1
debug1: match: OpenSSH_8.1 pat OpenSSH* compat 0x04000000
debug1: Authenticating to ecd-imac27.local:22 as 'ecdowney'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: email@hidden MAC:
<implicit> compression: none
debug1: kex: client->server cipher: email@hidden MAC:
<implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256
SHA256:mt3hyg1EnYyy2azoagAjIZNXeuC+PVYjNXTG1I+nCOc
debug1: Host 'ecd-imac27.local' is known and matches the ECDSA host key.
debug1: Found key in /Users/ecdowney/.ssh/known_hosts:49
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info:
server-sig-algs=<ssh-ed25519,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue:
publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Offering public key: RSA
SHA256:uP9zayX/QNMPYWtD/d/35DdKuF7qBUDX9CyqQnCmiTQ
/Users/ecdowney/.ssh/id_rsa
debug1: Server accepts key: pkalg rsa-sha2-512 blen 279
debug1: Authentication succeeded (publickey).
Authenticated to ecd-imac27.local ([fe80::83b:4089:52ba:8046%en0]:22).
debug1: channel 0: new [client-session]
debug1: Requesting email@hidden
debug1: Entering interactive session.
debug1: pledge: exec
debug1: client_input_global_request: rtype email@hidden
want_reply 0
debug1: Remote: /Users/ecdowney/.ssh/authorized_keys:11: key options:
agent-forwarding port-forwarding pty user-rc x11-forwarding
debug1: Remote: /Users/ecdowney/.ssh/authorized_keys:11: key options:
agent-forwarding port-forwarding pty user-rc x11-forwarding
debug1: Requesting X11 forwarding with authentication spoofing.
debug1: Sending environment.
debug1: Sending env LANG = en_US
debug1: Sending env LC_ALL = C
X11 forwarding request failed on channel 0
Last login: Tue Apr 28 16:19:54 2020 from 192.168.7.112
ecd-imac27: logout
--
Elwood Downey
Scientific Programmer
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