centos安装fail2ban脚本（shell，仅供参考）

#!/bin/bashexportLANG=zh_CN.UTF-8
source /etc/profile
filepath='/tools/fail2ban'fail2bantar='fail2ban-0.11.2.tar.gz'install_fail2ban_path='/etc/fail2ban'jail_conf='/etc/fail2ban/jail.conf'mail_whois_lines_conf='/etc/fail2ban/action.d/mail-whois-lines.conf'install_fail2ban()  {
if [ -d$filepath ];then
cd$filepathif [ -f$fail2bantar ];then
echo"存在fail2ban压缩文件，继续解压......"      tar zxvf fail2ban-0.11.2.tar.gz
if [ $?-eq0 ];then
cd$filepath/fail2ban-0.11.2
echo"开始安装......"          python setup.py install
sleep30echo"安装完成！"elseecho"解压缩失败，无法继续，退出！"exitfielseecho"不存在fail2ban-0.11.2.tar.gz压缩文件，退出！"exitfielseecho"不存在/tools/fail2ban目录，无法继续，退出！"exitfi}
config_fail2ban() {
if [ $?-eq0 ];then
if [ -d$install_fail2ban_path ];then
cd$install_fail2ban_pathif [ -f$jail_conf-a-f${mail_whois_lines_conf} ];then
echo"对jail.conf和mail-whois-lines.conf文件进行重命名操作......"mv  jail.conf jail.conf.bak
mv${mail_whois_lines_conf}${mail_whois_lines_conf}.bak
echo"重命名完成！"echo"拷贝jail.conf和mail-whois-lines.conf文件......"cp-a$filepath/jail.conf  .
cp-a$filepath/mail-whois-lines.conf  $install_fail2ban_path/action.d/
echo"拷贝完成！"echo"fail2ban配置完成！"elseecho"没有jail.conf和mail-whois-lines.conf文件，不用重命名直接进行拷贝！"echo"开始拷贝......"cp-a$filepath/jail.conf  .
cp-a$filepath/mail-whois-lines.conf $install_fail2ban_path/action.d/
echo"直接拷贝完成！"echo"fail2ban配置完成！"fielseecho"没有发现安装完的目录，安装失败，退出！"exitfielseecho"fail2ban安装没有完成，无法进行配置，退出！"exitfi}
install_fail2ban  
config_fail2ban
echo"fail2ban安装和配置全部完成，开始配置启动脚本......"cp$filepath/fail2ban-0.11.2/files/redhat-initd   /etc/init.d/fail2ban
chmod a+x /etc/init.d/fail2ban
echo"启动脚本配置完成！"echo"正式启动fail2ban应用......"service fail2ban startecho"fail2ban启动完成！"