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Linux攻略 SSH实用技巧及常用命令使用说明(3) #PermitUserEnvironment no
#Compression yes
#MaxStartups 10 连接的画面的设置 从连接就是登陆画面
# no default banner path
#Banner /some/path
#VerifyReverseMapping no
# override default of no subsystems
Subsystem sftp /usr/libexec/openssh/sftp-server
DenyUsers * 设置受阻的用户 代表全部用户
DenyUsers test
DenyGroups test
SSH 自动登陆设置
１设置CLIENT端建立PUBLIC_KEY 和 PRIVATE_KEY
[TEST@TEST TEST] SSH-KEYGEN –T RSA //-T 说明使用RSA 加密算法
生成密钥的文件夹 $HOME/.SSH/ID_RSA
上传PUBLIC_KEY 到SERVER
SFTP TEST@TEST
LCD /HOME/.SSH
PUT ID_RSA.PUB
EXIT
登陆到SERVER
执行命令
[TEST@TEST SSH] CAT ../ID_RSA.PUB >> AUTHORIZED_KEYS
相关的安全设置
/ETC/SSH/SSHD_CONFIG
/ETC/HOSTS.ALLOW
/ETC/HOSTS.DENY
IPTABLES
编辑/ETC/HOSTS.DENY
SSHD : ALL :SPAWN (/BIN/ECHO SECURITY NOTICE FROM HOST `/BIN/HOSTNAME` ;\
/BIN/ECHO ; /USR/SBIN/SAFE_FINGER @%H )\
/BIN/MAIL –S “%d -%H SECURITY” ROOT@LOCALHOST &\
:TWIST (/BIN/ECHO –E “\N\nWARNING connection not allowed. You attempt has been logged. \n\n\n 警告信息
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