【初始化-sshd】init_sshd.sh
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#!/bin/bash## 2015/4/20# SSHs_port=2222echo "[-] add dport ${s_port}"
mkdir -p /data/ops/conf
cd /data/ops/conf/
iptables-save >rc.firewall.txtgrep "dport ${s_port} -j" rc.firewall.txt || sed -i "/-A INPUT -j REJECT --reject-with icmp-host-prohibited/i\-A INPUT -p tcp -m state --state NEW -m tcp --dport ${s_port} -j ACCEPT" rc.firewall.txt
iptables-restore rc.firewall.txtecho "[-] iptables status:"
iptables -nLecho "[-] check it before running 'service iptables save'"
setenforce 0cat > /etc/ssh/sshd_config.new << _EOF
Port 22Port ${s_port}Protocol 2SyslogFacility AUTHPRIV#PasswordAuthentication noChallengeResponseAuthentication noGSSAPIAuthentication noGSSAPICleanupCredentials noUsePAM yes
AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGESAcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENTAcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGEAcceptEnv XMODIFIERSX11Forwarding yes
UseDNS noSubsystem sftp /usr/libexec/openssh/sftp-server
_EOFmv /etc/ssh/sshd_config /etc/ssh/sshd_config.old
mv /etc/ssh/sshd_config.new /etc/ssh/sshd_config
echo '#########################################'
echo ''
cat /etc/ssh/sshd_config
echo ''
echo '#########################################'
echo '注意：selinux禁用并重启后再更改port，以免连接不上ssh端口；建议后续再禁用root，password登录，改用key登录；'
echo '[note] check config file and run : service sshd reload'
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本文转自 pcnk 51CTO博客，原文链接：http://blog.51cto.com/nosmoking/1594641，如需转载请自行联系原作者