SSH配置

HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key
Port 2222
SyslogFacility AUTHPRIV
PermitRootLogin without-password
AuthorizedKeysFile .ssh/authorized_keys
PasswordAuthentication no
ChallengeResponseAuthentication no
GSSAPIAuthentication no
GSSAPICleanupCredentials no
UsePAM yes
X11Forwarding no
PrintMotd no
UseDNS no
AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE
AcceptEnv XMODIFIERS

SSH公钥 .ssh/authorized_keys

ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKXnN/76Vp+A7aBDfREPvhQty3ZdzLvyUcBU7DcrcYfg portal

ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBBNQs5wHsLYeO2maaA3CP4hYV81ndOk3PanWRU8CO/Kz5NgfHNKSclE95eLFpkEsDbqqU2STnf/uQVDuu/sUjKs= memory@lvtao

目录权限处理

chmod 700 ~/.ssh

文件权限处理

chmod 600 ~/.ssh/authorized_keys ~/.ssh/id_ecdsa