September 29, 20233 yr Hi guys, this is totally new, I have been always able to connect to my remote server from my Odroid-XU4 so far. However, today I got stuck at this step: OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /home/odroid/.ssh/config debug1: /home/odroid/.ssh/config line 10: Applying options for freezr debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files debug1: /etc/ssh/ssh_config line 21: Applying options for * debug1: Connecting to $REMOTE_HOST$ [$REMOTE_HOST$] port 22. debug1: Connection established. debug1: identity file /home/odroid/.ssh/vultr2_ed25519 type 3 debug1: identity file /home/odroid/.ssh/vultr2_ed25519-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.3 FreeBSD-20230316 debug1: compat_banner: match: OpenSSH_9.3 FreeBSD-20230316 pat OpenSSH* compat 0x04000000 debug1: Authenticating to $REMOTE_HOST$:22 as '$USER$' debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: sntrup761x25519-sha512@openssh.com debug1: kex: host key algorithm: ssh-ed25519 debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none debug1: expecting SSH2_MSG_KEX_ECDH_REPLY Connection closed by $REMOTE_HOST$ port 22 The majority of the solutions online involve to lower down the MTU, this solution did not work for me. On a Devuan laptop with the same identical ./ssh/config file and same keys the ssh connection works just fine. Can't understand how to fix it, thanks! 🙏 Odroid-XU4 Distributor ID: Debian Description: Armbian 23.8.3 bookworm Release: 12 Codename: bookworm
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