# 1、注释/etc/ssh/ssh_config
# 2、修改/etc/ssh/sshd_config
LogLevel INFO
PermitRootLogin no
AuthorizedKeysFile .ssh/authorized_keys
IgnoreRhosts yes
PermitEmptyPasswords no
ChallengeResponseAuthentication no
ClientAliveInterval 60
ClientAliveCountMax 5
UseDNS no
Banner /etc/ssh/ssh_banner
Banner /etc/ssh/ssh_banner
Subsystem sftp /usr/local/openssh-8.5p1/libexec/sftp-server
Protocol 2
KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256
UseDNS no
PubkeyAuthentication yes
PasswordAuthentication yes
# 3、重启ssh服务
systemctl restart sshd
原文地址:https://blog.csdn.net/qq_46001933/article/details/129735653
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