该脚本主要是针对 CentOS Linux 7 合规基线加固的一些配置操作，包括创建用户、安全审计配置、入侵防范配置、访问控制配置、身份鉴别策略配置等。如果您需要在脚本中添加公司网址，您可以在适当的位置添加相应的内容。不过请注意，在实际生产环境中，建议谨慎进行脚本修改和执行，以免造成意外的影响。
 

#!/bin/bash
# CentOS Linux 7基线标准系统-等保三级-CentOS Linux 7合规基线加固
[ -f /etc/init.d/functions ] && . /etc/init.d/functions 
#定义脚本执行时间日志
bash_run(){
mkdir /etc/funi_bash -p
echo date +"%Y-%m-%d %H:%M:%S" > /etc/funi_bash/safe_date.log
}
bash_run
#判断是否执行加固脚本
check_bash(){
if [ -e /etc/funi_bash/safe_date.log ]; then
message=`cat /etc/funi_bash/safe_date.log`
echo 该服务器已于$message执行加固脚本，请确认是否继续执行
elsecreateuser
dengbao_bash
fi}
#运维管理员：GGB
#安全管理员：GGB
#审计管理员：GGB#新建管理员funi用户
createuser(){
useradd funi
if [ -z "$1" ]; then
echo "未传入密码，使用默认密码创建用户funi成功"
echo 'Funi_2021rjy' | passwd --stdin funi
echo "funi ALL=(ALL) ALL" >> /etc/sudoers
else
echo "使用自定义密码创建用户funi成功"
echo '$1' | passwd --stdin funi
echo "funi ALL=(ALL) ALL" >> /etc/sudoers
fi
}
createuser#新建安全审计safeuser用户
createsafeuser(){
useradd safeuser
if [ -z "$2" ]; then
echo "未传入密码，使用默认密码创建用户funi成功"
echo 'Funi_2021rjy' | passwd --stdin funi
echo "funi ALL=(ALL) ALL" >> /etc/sudoers
else
echo "使用自定义密码创建用户funi成功"
echo '$1' | passwd --stdin funi
echo "funi ALL=(ALL) ALL" >> /etc/sudoers
fi
}
createsafeuser#新建安全审计audituser用户
createaudituser(){
useradd audituser
if [ -z "$3" ]; then
echo "未传入密码，使用默认密码创建用户funi成功"
echo 'Funi_2021rjy' | passwd --stdin funi
echo "audituser ALL=(ALL) ALL" >> /etc/sudoers
else
echo "使用自定义密码创建用户funi成功"
echo '$1' | passwd --stdin funi
echo "audituser ALL=(ALL) ALL" >> /etc/sudoers
fi
}
createaudituser#1
# 修改密码最大有效期为180天
passwdtime(){
echo "#01修改密码最大有效期为180天"
cp  /etc/login.defs  /etc/login.defs-${time}
sed -i.bak  's/^\(PASS_MAX_DAYS\).*/\1 180/' /etc/login.defs
if [ "$?" == 0 ]
then
action "sed -i.bak  's/^\(PASS_MAX_DAYS\).*/\1 180/' /etc/login.defs" /bin/true
else
action "sed -i.bak  's/^\(PASS_MAX_DAYS\).*/\1 180/' /etc/login.defs" /bin/false
fi
chage --maxdays 180 root
if [ "$?" == 0 ]
then
action "chage --maxdays 180 root" /bin/true
else
action "chage --maxdays 180 root" /bin/false
fi
}
passwdtime#2
# 修改密码必须包含四种字符
mimaguifan(){
echo "#02修改密码必须包含四种字符"
sed -i 's/# minclass = 0/minclass = 3/g' /etc/security/pwquality.conf
if [ "$?" == 0 ]
then
action "sed -i 's/# minclass = 0/minclass = 3/g' /etc/security/pwquality.conf" /bin/true
else
action "sed -i 's/# minclass = 0/minclass = 3/g' /etc/security/pwquality.conf" /bin/false
fi
}
mimaguifan#3
# 修改两次修改密码的最小间隔时间为7天
passwdjiange(){
echo "#03修改两次修改密码的最小间隔时间为7天"
sed -i.bak  's/^\(PASS_MIN_DAYS\).*/\1 7/' /etc/login.defs
if [ "$?" == 0 ]
then
action "sed -i.bak  's/^\(PASS_MIN_DAYS\).*/\1 7/' /etc/login.defs" /bin/true
else
action "sed -i.bak  's/^\(PASS_MIN_DAYS\).*/\1 7/' /etc/login.defs" /bin/false
fi
chage --mindays 7 root
if [ "$?" == 0 ]
then
action "chage --mindays 7 root" /bin/true
else
action "chage --mindays 7 root" /bin/false
fi
}
passwdjiange#4
# 修改密码必须包含四种字符
passwdnandu(){
echo "#04修改密码必须包含四种字符"
cp  /etc/security/pwquality.conf  /etc/security/pwquality.conf-${time}
sed -i 's/# minclass = 0/minclass = 3/g' /etc/security/pwquality.conf
if [ "$?" == 0 ]
then
action "sed -i 's/# minclass = 0/minclass = 3/g' /etc/security/pwquality.conf" /bin/true
else
action "sed -i 's/# minclass = 0/minclass = 3/g' /etc/security/pwquality.conf" /bin/false
fi
}
passwdnandu#5,6,7,8
# 修改密码最短为9位
mimaweishu(){
echo  "#05,06,07,08修改密码最短为9位"
sed -i 's/# minlen = 9/minlen = 9/g' /etc/security/pwquality.conf
if [ "$?" == 0 ]
then
action "sed -i 's/# minlen = 9/minlen = 9/g' /etc/security/pwquality.conf  " /bin/true
else
action "sed -i 's/# minlen = 9/minlen = 9/g' /etc/security/pwquality.conf  " /bin/false
fi
}
mimaweishu#9
# 密码设置及登陆控制文件/etc/pam.d/password-auth 禁止使用最近用过的5个密码 remember=5
password_auth(){
echo  "#09密码设置及登陆控制文件/etc/pam.d/password-auth,禁止使用最近用过的5个密码"
cp /etc/pam.d/password-auth  /etc/pam.d/password-auth-${time}
sed -i 's/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok remember=5/g' /etc/pam.d/password-auth
if [ "$?" == 0 ]
then
action "sed -i 's/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok remember=5/g' /etc/pam.d/password-auth" /bin/true
else
action "sed -i 's/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok remember=5/g' /etc/pam.d/password-auth" /bin/false
fi
}
password_auth# 密码设置及登陆控制文件/etc/pam.d/system-auth 禁止使用最近用过的5个密码 remember=5
system_auth(){
echo  "#密码设置及登陆控制文件/etc/pam.d/system-auth 禁止使用最近用过的5个密码 remember=5"
cp  /etc/pam.d/system-auth  /etc/pam.d/system-auth-${time}
sed -i 's/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok remember=5/g' /etc/pam.d/system-auth
if [ "$?" == 0 ]
then
action "sed -i 's/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok remember=5/g' /etc/pam.d/system-auth" /bin/true
else
action "sed -i 's/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok/password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok remember=5/g' /etc/pam.d/system-auth" /bin/false
fi
}
system_auth#10
#密码过期时间告警
logindefs(){
echo  "#10密码过期时间告警"
cp /etc/login.defs  /etc/login.defs-${time}
echo  'PASS_WARN_AGE  30 ' >> /etc/login.defs
if [ "$?" == 0 ]
then
action "echo  'PASS_WARN_AGE  30 ' >> /etc/login.defs" /bin/true
else
action "echo  'PASS_WARN_AGE  30 ' >> /etc/login.defs" /bin/false
fi
}
logindefs# ssh服务端每900秒向客户端发送一次消息,以保持长连接
sshchanglianjie(){
echo "#ssh服务端每900秒向客户端发送一次消息,以保持长连接"
cp  /etc/ssh/sshd_config /etc/ssh/sshd_config-${time}
sed -i 's/#ClientAliveInterval 0/ClientAliveInterval 900/g' /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "sed -i 's/#ClientAliveInterval 0/ClientAliveInterval 900/g' /etc/ssh/sshd_config" /bin/true
else
action "sed -i 's/#ClientAliveInterval 0/ClientAliveInterval 900/g' /etc/ssh/sshd_config" /bin/false
fi
}
sshchanglianjie# 客户端3次超时即断开客户端
sshdunakai(){
echo  "#客户端3次超时即断开客户端"
sed -i 's/#ClientAliveCountMax 3/ClientAliveCountMax 3/g' /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "sed -i 's/#ClientAliveCountMax 3/ClientAliveCountMax 3/g' /etc/ssh/sshd_config" /bin/true
else
action "sed -i 's/#ClientAliveCountMax 3/ClientAliveCountMax 3/g' /etc/ssh/sshd_config" /bin/false
fi
}
sshdunakai#11
#检查是否存在空口令用户账号，如果有则锁定用户
kongkoulin(){
echo   "#11检查是否存在空口令用户账号，如果有则锁定用户"
if [  `awk -F: 'NR==FNR && $3 >= 1000 && $3 < 65534 {users[$1]}; NR!=FNR && ($2 == "" || $2 == "!!") && ($1 in users) {print $1}' /etc/passwd /etc/shadow | wc -l` != 0  ]; thenfor i in  `awk -F: 'NR==FNR && $3 >= 1000 && $3 < 65534 {users[$1]}; NR!=FNR && ($2 == "" || $2 == "!!") && ($1 in users) {print $1}' /etc/passwd /etc/shadow`;dousermod -L $iaction  "当前${i}用户没有密码，已锁定,如需要使用执行 usermod -U username 解锁"  /bin/falseecho "当前${i}用户没有密码，已锁定"  >> /etc/funi_bash/safe_date.logdone
elseaction "当前无空口令用户"   /bin/true
fi
}
kongkoulin#12
# 用户重新尝试输入密码的次数设为4
sshcghangsi(){
echo  "#12用户重新尝试输入密码的次数设为4"
sed -i 's/#MaxAuthTries 6/MaxAuthTries 4/g' /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "sed -i 's/#MaxAuthTries 6/MaxAuthTries 4/g' /etc/ssh/sshd_config" /bin/true
else
action "sed -i 's/#MaxAuthTries 6/MaxAuthTries 4/g' /etc/ssh/sshd_config" /bin/false
fi
echo 'Protocol 2' >> /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "echo 'Protocol 2' >> /etc/ssh/sshd_config" /bin/true
else
action "echo 'Protocol 2' >> /etc/ssh/sshd_config" /bin/false
fi
}
sshcghangsi# 13 SSH 日志级别设置为INFO,记录登录和注销活动
sshlog(){
echo  "#13 SSH 日志级别设置为INFO,记录登录和注销活动"
sed -i 's/#LogLevel INFO/LogLevel INFO/g' /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "sed -i 's/#LogLevel INFO/LogLevel INFO/g' /etc/ssh/sshd_config" /bin/true
else
action "sed -i 's/#LogLevel INFO/LogLevel INFO/g' /etc/ssh/sshd_config" /bin/false
fi
service sshd restart
if [ "$?" == 0 ]
then
action "service sshd restart" /bin/true
else
action "service sshd restart" /bin/false
fised -i '/# User/a\auth required pam_tally2.so onerr=fail audit silent deny=5 unlock_time=900' /etc/pam.d/password-auth
if [ "$?" == 0 ]
then
action "sed -i '/# User/a\auth required pam_tally2.so onerr=fail audit silent deny=5 unlock_time=900' /etc/pam.d/password-auth" /bin/true
else
action "sed -i '/# User/a\auth required pam_tally2.so onerr=fail audit silent deny=5 unlock_time=900' /etc/pam.d/password-auth" /bin/false
fised -i '/# User/a\auth required pam_tally2.so onerr=fail audit silent deny=5 unlock_time=900' /etc/pam.d/system-auth
if [ "$?" == 0 ]
then
action "sed -i '/# User/a\auth required pam_tally2.so onerr=fail audit silent deny=5 unlock_time=900' /etc/pam.d/system-auth" /bin/true
else
action "sed -i '/# User/a\auth required pam_tally2.so onerr=fail audit silent deny=5 unlock_time=900' /etc/pam.d/system-auth" /bin/false
fi
echo 'TMOUT=900' >> /etc/profile
if [ "$?" == 0 ]
then
action "echo 'TMOUT=900' >> /etc/profile" /bin/true
else
action "echo 'TMOUT=900' >> /etc/profile" /bin/false
fi
}
sshlog#22
# 禁止root登录
PermitRootLogin(){
echo  "#22禁止root登录"
sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config" /bin/true
else
action "sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config" /bin/false
fi
service sshd restart
if [ "$?" == 0 ]
then
action "service sshd restart" /bin/true
else
action "service sshd restart" /bin/false
fi
}
PermitRootLogin#24
#检查使用IP协议远程维护的设备是否配置SSH协议，禁用telnet协议
telnet(){
echo "24检查使用IP协议远程维护的设备是否配置SSH协议，禁用telnet协议"
rpm -qa |grep telnet*
if  [ $? == 0 ];
thenecho  "disable = yes"  >> /etc/xinetd.d/telnetservice xinetd restartaction "禁用telnet协议"  /bin/true
elseaction "禁用telnet协议"  /bin/false
fi}
telnet#25
#禁止匿名VSFTP用户登录
vsftpuser(){
echo "25禁止匿名VSFTP用户登录"
if [ -f /etc/vsftpd.conf ] || [ -f /etc/vsftpd/vsftpd.conf ];
thenecho "anonymous_enable=NO" >> /etc/vsftpd.conf 2>/dev/null || echo "anonymous_enable=NO" >> /etc/vsftpd/vsftpd.confaction "禁止匿名VSFTP用户登录"  /bin/true
fi
}#26
#删除ftp用户
delftp(){
echo "26 删除ftp用户"
userdel -f  ftp
if [ $? == 0 ]
thenaction "userdel -f  ftp"  /bin/true
elseaction "userdel -f  ftp"  /bin/false
fi
}
delftp#29
#检查配置文件/etc/snmp/snmpd.conf是否存在。
snmpd_file(){
echo "#29检查配置文件/etc/snmp/snmpd.conf是否存在。"
if [ -f /etc/snmp/snmpd.conf ];
then  action "文件/etc/snmp/snmpd.conf存在"  /bin/true
elsemkdir -p /etc/snmp && touch /etc/snmp/snmpd.conf action "创建/etc/snmp/snmpd.conf成功"  /bin/true
fi
}
snmpd_file#33,34
#禁止系统账号进行交互式登录
userdenlu(){
echo "33,34禁止系统账号进行交互式登录"
for i in `echo  'bin sys nuucp adm lp mail uucp operator games gopher ftp nobody nobody4 noaccess listen webservd rpm dbus avahi mailnull smmsp nscd vcsa rpc rpcuser nfs sshd pcap ntp haldaemon distcache apache webalizer squid xfs gdm sabayon named'`;dopasswd -l  $i > /dev/nullaction  "${i}用户已锁定" /bin/true
done
}
userdenlu#37
#检查是否使用PAM认证模块禁止wheel组之外的用户su为root
sufile(){
echo "#37检查是否使用PAM认证模块禁止wheel组之外的用户su为root"
if [ -f  /etc/pam.d/su ]
thensed -i '2i\auth sufficient pam_rootok.so'  /etc/pam.d/sused -i '2i\auth required pam_wheel.so group=wheel'  /etc/pam.d/suaction "/etc/pam.d/su文件" /bin/true
elseaction "/etc/pam.d/su文件" /bin/false
fi
}#38
#禁止root登录VSFTP
rootvsftp(){
echo "#38禁止匿名VSFTP用户登录"
if [ -f /etc/ftpusers ] || [ -f /etc/vsftpd/ftpusers ]
thenecho "root"  >> /etc/ftpusers || echo "root"  >> /etc/vsftpd/ftpusersaction "#禁止root登录VSFTP" /bin/true
elseaction "#禁止root登录VSFTP" /bin/false
fi
}
rootvsftp#39
#禁止root登录WU-FTP
rootwuftp(){
echo "#39禁止root登录WU-FTP"
if [ -f /etc/ftpusers ]
then echo "root" >> /etc/ftpusersaction "禁止root登录WU-FTP" /bin/true
elseaction "禁止root登录WU-FTP" /bin/false
fi
}
rootwuftp#40检查重要文件是否存在suid和sgid权限
suidfile(){
echo "#40检查重要文件是否存在suid和sgid权限"
find /usr/bin/chage /usr/bin/gpasswd /usr/bin/wall /usr/bin/chfn /usr/bin/chsh /usr/bin/newgrp /usr/bin/write /usr/sbin/usernetctl /usr/sbin/traceroute /bin/mount /bin/umount /bin/ping /sbin/netreport -type f -perm +6000 2>/dev/nul
if [ $? == 0 ]
then for i in `echo '/usr/bin/chage /usr/bin/gpasswd /usr/bin/wall /usr/bin/chfn /usr/bin/chsh /usr/bin/newgrp /usr/bin/write /usr/sbin/usernetctl /usr/sbin/traceroute /bin/mount /bin/umount /bin/ping /sbin/netreport '`do chmod a-s  $idoneaction "#40检查重要文件是否存在suid和sgid权限"    /bin/true
elseaction "#40检查重要文件是否存在suid和sgid权限"    /bin/false
fi
}
suidfile#41检查是否存在除root之外UID为0的用户
root_uid(){
echo "#41检查是否存在除root之外UID为0的用户"
if  [ `awk -F: '$3 == 0 && $1 != "root"{print $1}' /etc/passwd | wc -l` >=1 ]
thenaction  当前UID为零的用户有`echo ` awk -F: '$3 == 0 && $1 != "root"{print $1}' /etc/passwd``   /bin/true
elseaction  "#41不存在除root之外UID为0的用户"   /bin/true
fi
}
root_uid#42检查是否限制FTP用户登录后能访问的目录
ftp_file(){
echo  "#42检查是否限制FTP用户登录后能访问的目录"
if [ -f /etc/vsftpd.conf ]  
thenecho " chroot_local_user=YES" >>  /etc/vsftpd.conf /etc/init.d/vsftpd restart action  "修改/etc/vsftpd.conf"  /bin/true
elseaction  "修改/etc/vsftpd.conf"  /bin/false
fi
if [ -f /etc/pure-ftpd/pure-ftpd.conf ] 
thenecho " ChrootEveryone yes AllowUserFXP no AllowAnonymousFXP no"  >> /etc/pure-ftpd/pure-ftpd.conf /etc/init.d/pure-ftpd restartaction  "修改/etc/pure-ftpd/pure-ftpd.conf"  /bin/true
elseaction  "修改/etc/pure-ftpd/pure-ftpd.conf"  /bin/false
fi}
ftp_file#44检查/usr/bin/目录下的可执行文件的拥有者属性，当可执行文件设置s属性时，执行时可以获取其拥有者的权限。
binfile_s(){
if [ -d /usr/bin/ ]
thenecho "含有“s”属性的文件如下，可使用 chmod a-s filename 取消权限"find /usr/bin -type f \( -perm -04000 -o -perm -02000 \) -exec ls -lg {} \;
elseaction  "/usr/bin/目录下的可执行文件已无含s权限"  /bin/true
fi
}
binfile_s#45/etc/rc2.d文件权限是否符合规范
file_rc2(){
echo "#45/etc/rc2.d文件权限是否符合规范"
if [ -e /etc/rc2.d ] 
then chmod 750 /etc/rc2.d/action "/etc/rc2.d文件权限符合规范"  /bin/true
elseaction "/etc/rc2.d文件不存在"  /bin/false
fi
}
file_rc2#46/etc/rc4.d文件权限是否符合规范
file_rc4(){
echo "#46/etc/rc4.d文件权限是否符合规范"
if [ -e /etc/rc4.d ] 
then chmod 750 /etc/rc4.d/action "#45/etc/rc4.d文件权限符合规范"  /bin/true
elseaction "/etc/rc4.d文件不存在"  /bin/false
fi
}
file_rc4#47/etc/passwd文件权限是否符合规范
passwd_file(){
echo "#47/etc/passwd文件权限是否符合规范"
if [ -e /etc/passwd ] 
then chmod 750 /etc/passwdaction "/etc/passwd文件权限符合规范"  /bin/true
elseaction "/etc/passwd文件不存在"  /bin/false
fi
}
passwd_file#48检查系统引导器配置文件权限
chmod_file(){
echo "#48检查系统引导器配置文件权限"
for i in `echo "/etc/grub.conf boot/grub/grub.conf  /etc/lilo.conf  /etc/grub2.cfg  /boot/grub2/grub.cfg"`
doif [ -e $i ];thenchmod 600  $i action  "${i}文件已修改600权限"  /bin/truefi
done
}
chmod_file#49/etc/xinetd.conf文件权限是否符合规范
xinetd_file(){
echo "#49/etc/xinetd.conf文件权限是否符合规范"
if [ -e /etc/xinetd.conf ] 
then chmod 750 /etc/passwdaction "/etc/xinetd.conf文件权限符合规范"  /bin/true
elseaction "/etc/xinetd.conf文件不存在"  /bin/false
fi
}
xinetd_file#50/etc/group文件权限是否符合规范
group_file(){
echo "#50/etc/group文件权限是否符合规范"
if [ -e /etc/group ] 
then chmod 644 /etc/groupaction "/etc/group文件权限符合规范"  /bin/true
elseaction "/etc/group文件不存在"  /bin/false
fi
}
group_file#51/tmp文件权限是否符合规范
tmp_file(){
echo "#51/tmp文件权限是否符合规范"
if [ -e /tmp ] 
then chmod 750 /tmpaction "/tmp文件权限符合规范"  /bin/true
elseaction "/tmp文件不存在"  /bin/false
fi
}
tmp_file#52/etc/shadow文件权限是否符合规范
shadow_file(){
echo "#52/etc/shadow文件权限是否符合规范"
if [ -e  /etc/shadow ] 
then chmod 750 /etc/shadowaction "/etc/shadow文件权限符合规范"  /bin/true
elseaction "/etc/shadow文件不存在"  /bin/false
fi
}
shadow_file#53/etc/rc.d/init.d/文件权限是否符合规范
rc_d_file(){
echo "#53/etc/rc.d/init.d/文件权限是否符合规范"
if [ -e  /etc/rc.d/init.d/ ] 
then chmod 750 /etc/rc.d/init.d/action "/etc/rc.d/init.d/ 文件权限符合规范"  /bin/true
elseaction "/etc/rc.d/init.d/ 文件不存在"  /bin/false
fi
}
rc_d_file#54/etc/rc0.d文件权限是否符合规范
rc_file(){
echo "#54/etc/rc0.d文件权限是否符合规范"
if [ -e  /etc/rc0.d ] 
then chmod 750 /etc/rc0.daction "/etc/rc0.d 文件权限符合规范"  /bin/true
elseaction "/etc/rc0.d文件不存在"  /bin/false
fi
}
rc_file#55/etc/services文件权限是否符合规范
services_file(){
echo "#55/etc/services文件权限是否符合规范"
if [ -e  /etc/services ] 
then chmod 644 /etc/servicesaction "/etc/services 文件权限符合规范"  /bin/true
elseaction "/etc/services 文件不存在"  /bin/false
fi
}
services_file#56/etc/rc3.d文件权限是否符合规范
rc3_file(){
echo "#56/etc/rc3.d文件权限是否符合规范"
if [ -e  /etc/rc3.d ] 
then chmod 750 /etc/rc3.daction "/etc/rc3.d 文件权限符合规范"  /bin/true
elseaction "/etc/rc3.d 文件不存在"  /bin/false
fi
}
rc3_file#57/etc/rc6.d文件权限是否符合规范
rc6_file(){
echo "#57/etc/rc6.d文件权限是否符合规范"
if [ -e  /etc/rc6.d ] 
then chmod 750 /etc/rc6.daction "/etc/rc6.d 文件权限符合规范"  /bin/true
elseaction "/etc/rc6.d 文件不存在"  /bin/false
fi
}
rc6_file#58/etc/rc5.d文件权限是否符合规范
rc5_file(){
echo "#58/etc/rc5.d文件权限是否符合规范"
if [ -e  /etc/rc5.d ] 
then chmod 750 /etc/rc5.daction "/etc/rc5.d 文件权限符合规范"  /bin/true
elseaction "/etc/rc5.d  文件不存在"  /bin/false
fi
}
rc5_file#59/etc/rc1.d/文件权限是否符合规范
rc1_file(){
echo "#59/etc/rc1.d/文件权限是否符合规范"
if [ -e  /etc/rc1.d ] 
then chmod 750 /etc/rc1.daction "/etc/rc1.d 文件权限符合规范"  /bin/true
elseaction "/etc/rc1.d 文件不存在"  /bin/false
fi
}
rc1_file#60/etc/security目录权限是否符合规范
security_file(){
echo "#60/etc/security目录权限是否符合规范"
if [ -e  /etc/security ] 
then chmod 600 /etc/securityaction "/etc/security 文件权限符合规范"  /bin/true
elseaction "/etc/security 文件不存在"  /bin/false
fi
}
security_file#61，62，63，64检查文件属性
file_shadow(){
echo  "#61，62，63，64检查文件属性"
for i in ` echo '/etc/shadow /etc/group  /etc/passwd  /etc/gshadow' `
doif  [  -e $i ]thenchattr +i $iaction  "${i}文件属性已不可修改"    /bin/trueelseaction "${i}文件不存在"  /bin/falsefi
done}
file_shadow#65检查用户目录缺省访问权限设置
login_file(){
echo "#65检查用户目录缺省访问权限设置"
if [ -e /etc/login.defs ]
thensed -i 's/^UMASK.*/UMASK  027/g' /etc/login.defsaction " sed -i 's/^UMASK.*/UMASK  027/g' /etc/login.defs"  /bin/true
elseaction "/etc/login.defs文件不存"  /bin/false
fi
}#66~73检查日志文件是否非全局可写
log_file(){
echo  "#66~73检查日志文件是否非全局可写"
for i in `echo  ' /var/log/maillog  /var/log/mail /var/log/secure /var/log/messages   /var/log/localmessages /var/log/spooler /var/log/boot.log /var/log/cron '`
doif [ -e $i ];thenchmod 775  $iaction "${i}文件权限已修改"  /bin/trueelseaction "${i}文件不存在"   /bin/falsefi
done
}
log_file#74,75检查是否配置用户所需最小权限
file_chmod(){
echo  "#66~73检查日志文件是否非全局可写"
for i in `echo  '/etc/passwd  /etc/group'`
doif [ -e $i ];thenchmod 775  $iaction "${i}文件权限已修改"  /bin/trueelseaction "${i}文件不存在"   /bin/falsefi
done
}
file_chmod#78限制FTP用户登录后上传文件的属性
FTP_file(){
echo "#78限制FTP用户登录后上传文件的属性"
if [ -e /etc/vsftpd.conf ];then # 检查文件是否存在并且未注释if ! grep -q "^write_enable=YES" /etc/vsftpd.conf; thenecho "write_enable=YES" >> /etc/vsftpd.conffiif ! grep -q "^ls_recurse_enable=YES" /etc/vsftpd.conf; thenecho "ls_recurse_enable=YES" >> /etc/vsftpd.conffiif ! grep -q "^local_umask=022" /etc/vsftpd.conf; thenecho "local_umask=022" >> /etc/vsftpd.conffiif ! grep -q "^anon_umask=022" /etc/vsftpd.conf; thenecho "anon_umask=022" >> /etc/vsftpd.conffi/etc/init.d/vsftpd restart# 检查文件是否存在并且未注释if ! grep -q "^Umask 177:077" /etc/pure-ftpd/pure-ftpd.conf; thenecho "Umask 177:077" >> /etc/pure-ftpd/pure-ftpd.conffi# 重启ftp服务/etc/init.d/pure-ftpd restartaction "限制FTP用户登录后上传文件的属性设置已完成"   /bin/true
elseaction "/etc/vsftpd.conf文件不存在"  /bin/false
fi
}
FTP_file#79检查是否禁用不必要的系统服务#83如果没有必要，需要停止NFS服务
nfs_sys(){
echo  "#83如果没有必要，需要停止NFS服务"
if [ `rpm -qa | grep  nfs | wc -l` != 0 ];thensystemctl stop nfsaction "nfs服务已完成停止"   /bin/true
elseaction "为安装nfs服务"   /bin/false
fi
}
nfs_sys#84设置 主机允许策略文件/etc/hosts.allow 的属组和属主为root
host_allow(){
echo  "#设置主机允许策略文件/etc/hosts.allow 的属组和属主为root"
chown root:root /etc/hosts.allow
if [ "$?" == 0 ]
then
echo 
action "chown root:root /etc/hosts.allow" /bin/true
else
action "chown root:root /etc/hosts.allow" /bin/false
fi
}
host_allow#85 检查是否关闭ident服务
check_ident() {echo "#85检查是否关闭ident服务"ident_status=$(systemctl is-active ident)if [ "$ident_status" = "active" ]thensystemctl disable identaction "已禁用ident服务" /bin/falseelseaction "ident服务已关闭" /bin/truefi
}
check_ident#86 检查是否关闭time服务
check_time() {echo "#86检查是否关闭time服务"time_status=$(systemctl is-active time)if [ "$time_status" = "active" ]thensystemctl disable timeaction "已禁用time服务" /bin/falseelseaction "time服务已关闭" /bin/truefi
}
check_time#87 检查是否关闭nfs服务
check_nfs() {echo "#87检查是否关闭nfs服务"nfs_status=$(systemctl is-active nfs)if [ "$nfs_status" = "active" ]thensystemctl disable nfsaction "已禁用nfs服务" /bin/falseelseaction "nfs服务已关闭" /bin/truefi
}
check_nfs#88 检查是否关闭chargen服务
check_chargen() {echo "#88检查是否关闭chargen服务"chargen_status=$(systemctl is-active chargen)if [ "$chargen_status" = "active" ]thensystemctl disable chargenaction "已禁用chargen服务" /bin/falseelseaction "chargen服务已关闭" /bin/truefi
}
check_chargen#89 检查是否关闭klogin服务
check_klogin() {echo "#89检查是否关闭klogin服务"klogin_status=$(systemctl is-active klogin)if [ "$klogin_status" = "active" ]thensystemctl disable kloginaction "已禁用klogin服务" /bin/falseelseaction "klogin服务已关闭" /bin/truefi
}
check_klogin#90 检查是否关闭ypbind服务
check_ypbind() {echo "#90检查是否关闭ypbind服务"ypbind_status=$(systemctl is-active ypbind)if [ "$ypbind_status" = "active" ]thensystemctl disable ypbindaction "已禁用ypbind服务" /bin/falseelseaction "ypbind服务已关闭" /bin/truefi
}
check_ypbind#91 检查是否关闭tftp服务
check_tftp() {echo "#91检查是否关闭tftp服务"tftp_status=$(systemctl is-active tftp)if [ "$tftp_status" = "active" ]thensystemctl disable tftpaction "已禁用tftp服务" /bin/falseelseaction "tftp服务已关闭" /bin/truefi
}
check_tftp#92 检查是否关闭nfslock服务
check_nfslock() {echo "#92检查是否关闭nfslock服务"nfslock_status=$(systemctl is-active nfslock)if [ "$nfslock_status" = "active" ]thensystemctl disable nfslockaction "已禁用nfslock服务" /bin/falseelseaction "nfslock服务已关闭" /bin/truefi
}
check_nfslock#93 检查是否关闭lpd服务
check_lpd() {echo "#93检查是否关闭lpd服务"lpd_status=$(systemctl is-active lpd)if [ "$lpd_status" = "active" ]thensystemctl disable lpdaction "已禁用lpd服务" /bin/falseelseaction "lpd服务已关闭" /bin/truefi
}
check_lpd#94 检查是否关闭discard服务
check_discard() {echo "#94检查是否关闭discard服务"discard_status=$(systemctl is-active discard)if [ "$discard_status" = "active" ]thensystemctl disable discardaction "已禁用discard服务" /bin/falseelseaction "discard服务已关闭" /bin/truefi
}
check_discard#95 检查是否关闭kshell服务
check_kshell() {echo "#95检查是否关闭kshell服务"kshell_status=$(systemctl is-active kshell)if [ "$kshell_status" = "active" ]thensystemctl disable kshellaction "已禁用kshell服务" /bin/falseelseaction "kshell服务已关闭" /bin/truefi
}
check_kshell#96 检查是否关闭daytime服务
check_daytime() {echo "#96检查是否关闭daytime服务"daytime_status=$(systemctl is-active daytime)if [ "$daytime_status" = "active" ]thensystemctl disable daytimeaction "已禁用daytime服务" /bin/falseelseaction "daytime服务已关闭" /bin/truefi
}
check_daytime#97 检查是否关闭echo服务
check_echo() {echo "#97检查是否关闭echo服务"echo_status=$(systemctl is-active echo)if [ "$echo_status" = "active" ]thensystemctl disable echoaction "已禁用echo服务" /bin/falseelseaction "echo服务已关闭" /bin/truefi
}
check_echo#98 检查是否关闭sendmail服务
check_sendmail() {echo "#98检查是否关闭sendmail服务"sendmail_status=$(systemctl is-active sendmail)if [ "$sendmail_status" = "active" ]thensystemctl disable sendmailaction "已禁用sendmail服务" /bin/falseelseaction "sendmail服务已关闭" /bin/truefi
}
check_sendmail#99 检查是否关闭ntalk服务
check_ntalk() {echo "#99检查是否关闭ntalk服务"ntalk_status=$(systemctl is-active ntalk)if [ "$ntalk_status" = "active" ]thensystemctl disable ntalkaction "已禁用ntalk服务" /bin/falseelseaction "ntalk服务已关闭" /bin/truefi
}
check_ntalk#100 检查是否关闭printer服务
check_printer() {echo "#100检查是否关闭printer服务"printer_status=$(systemctl is-active printer)if [ "$printer_status" = "active" ]thensystemctl disable printeraction "已禁用printer服务" /bin/falseelseaction "printer服务已关闭" /bin/truefi
}
check_printer#101 检查是否关闭bootps服务
check_bootps() {echo "#101检查是否关闭bootps服务"bootps_status=$(systemctl is-active bootps)if [ "$bootps_status" = "active" ]thensystemctl disable bootpsaction "已禁用bootps服务" /bin/falseelseaction "bootps服务已关闭" /bin/truefi
}
check_bootps##102 设置允许访问的IP地址并重启SSH服务
#check_allow() {
#  allowed_ip="192.168.4.44"
#
#  #102 检查是否限制了远程登录的IP范围
#  if grep -q "$allowed_ip" /etc/hosts.allow; then
#    action "远程登录IP范围已经限制" /bin/true
#  else
#    action "远程登录IP范围未限制" /bin/false
#    # 编辑 /etc/hosts.allow 文件，增加允许访问的IP
#    if ! grep -q "sshd:$allowed_ip:allow" /etc/hosts.allow; then
#      echo "sshd:$allowed_ip:allow" >> /etc/hosts.allow
#    fi
#  fi
#
#  # 重启SSH服务
#  if systemctl status sshd >/dev/null; then
#    systemctl restart sshd
#  fi
#}
#
#
##103 编辑 /etc/hosts.deny 文件，增加一行 all:all
#check_deny() {
#  if ! grep -q "all:all" /etc/hosts.deny; then
#    echo "all:all" >> /etc/hosts.deny
#    systemctl restart xinetd
#    action "/etc/hosts.deny未配置正确" /bin/false
#  else
#    action "/etc/hosts.deny配置正确" /bin/true
#  fi
#}#104检查保留历史命令的条数
histsize(){
echo "#104 保留历史命令条数"
file="/etc/profile"
neiron="HISTSIZE=.*"
neirong="HISTSIZE=3000"
cp "$file"  "$file".bak
sed -i 's/^"$neiron"/"$neirong"' "$file"
source "$file"
action "内容已经替换并加载文件" /bin/true
}
histsize#105检查保留历史命令的记录文件大小
histfilesize(){
echo "#105 历史命令文件大小"
file="/etc/profile"
neirong="HISTFILESIZE=500"
grep "$neirong" "$file"
if [ $? -eq 0 ]; thenaction  "配置内容存在" /bin/true
elsecp "$file"  "$file".backupecho "$neirong"  >> "$file"source "$file"action  "已添加内容到文件并加载" /bin/true
fi
}
histfilesize#106检查是否安装OS补丁
os(){
echo "#106 检查是否安装OS补丁"
if command -v apt &>/dev/null; thenupdate_command="apt update && apt upgrade -y >> /dev/null"
elif command -v yum &>/dev/null; thenupdate_command="yum check-update  >> /dev/null && yum update -y  >> /dev/null"
elif command -v zypper &>/dev/null; thenupdate_command="zypper refresh && zypper update -y  >> /dev/null"
elseaction "无法确定系统类型或找不到适用的包管理工具"  /bin/falseexit 1
fi
eval "$update_command"
if [ $? -eq 0 ]; thenaction "系统更新完成" /bin/ture
elseaction "系统更新失败，请检查错误信息" /bin/false
fi
}
os#107是否设置ssh登录前警告Banner
ssh_banner_ner(){
echo "#107 ssh_banner登录前设置"
banner_file="/etc/ssh_banner"
banner_content="Authorized only. All activity will be monitored and reported"
sshd_config_file="/etc/ssh/sshd_config"
banner_config="Banner /etc/ssh_banner"
if [ -f "$banner_file" ]; thenaction "文件 $banner_file 已存在" /bin/true
elsetouch "$banner_file"chown bin:bin "$banner_file"chmod 644 "$banner_file"echo "$banner_content" > "$banner_file"action "已创建 $banner_file 文件并写入内容" /bin/true
fi
if grep -q "$banner_config" "$sshd_config_file"; thenaction "sshd_config 文件中已存在 Banner 配置" /bin/false
elseecho "$banner_config" >> "$sshd_config_file"action "已添加 Banner 配置到 sshd_config 文件" /bin/true
fiif command -v systemctl >/dev/null; thensystemctl restart sshdaction"已重启 sshd 服务" /bin/trueelif command -v service >/dev/null; thenservice sshd restartaction "已重启 sshd 服务" /bin/trueelseaction "无法确定系统使用的服务管理工具，请手动重启 sshd 服务" /bin/falsefi
}
ssh_banner_ner#108 ssh_banner登录后设置
ssh_banner(){
echo "#108 ssh_banner登录后设置"
motd_file="/etc/motd"
motd_content="Login success. All activity will be monitored and reported"
if [ -f "$motd_file" ]; thenecho "$motd_content" > "$motd_file"action "motd文件存在已修改" /bin/true
elseecho "$motd_content" >"$motd_file"action  "motd文件已创建并写入" /bin/true
fi
}
ssh_banner#109检查是否更改默认的telnet登录警告Banner
telnet(){
echo "#109 telnet警告 设置"
banner_file="/etc/ssh_banner"
banner_content=" Authorized only. All activity will be monitored and reported "
sshd_config_file="/etc/ssh/sshd_config"
banner_config="Banner /etc/ssh_banner"
touch "$banner_file"
chown bin:bin "$banner_file"
chmod 644 "$banner_file"
echo "$banner_content" >> "$banner_file"
if grep -q "$banner_config" "$sshd_config_file"; thenaction "sshd_config 文件中已存在 Banner 配置"  /bin/false
elseecho "$banner_config" >> "$sshd_config_file"action "已添加 Banner 配置到 sshd_config 文件" /bin/true
fi
if command -v systemctl >/dev/null; thensystemctl restart sshdaction "已重启 sshd 服务" /bin/true
elif command -v service >/dev/null; thenservice sshd restartaction "已重启 sshd 服务" /bin/true
elseaction "无法确定系统使用的服务管理工具，请手动重启 sshd 服务"  /bin/false
fi
}
telnet#110
#111#112rsyslog是否启用记录cron行为日志功能
rsyslog_cron() {
echo "#112 rsyslog是否启用记录cron行为日志功能"
filelog="/etc/rsyslog.conf"
file="var/log/cron"
neirong="cron.*"$file""
if [ -f "$filelog" ]; thencp "$filelog" ${filelog}.${time}bakecho "$neirong" >> "$filelog"if [ ! -f "$file" ]; thentouch "$file"chmod 755 "$file"action  "cron 文件已创建" /bin/trueelseaction  "cron 文件已存在" /bin/falsefi
elseaction  "rsyslog.conf配置 文件不存在" /bin/false
fi
}
rsyslog_cron#113syslog是否启用记录cron行为日志功能
syslog_cron() {
echo "#113 syslog_cron"
filelog="/etc/syslog.conf"
file="var/log/cron"
neirong="cron.*"$file""
if [ -f "$filelog" ]; thenecho "$neirong" >> "$filelog"if [ ! -f "$file" ]; thentouch "$file"chmod 755 "$file"action  "cron 文件已创建" /bin/trueelseaction  "cron 文件已存在" /bin/falsefi 
elseaction  "syslog.conf配置 文件不存在" /bin/false
fi
}
syslog_cron#114syslog-ng是否启用记录cron行为日志功能
syslog_ng_cron(){
echo "#114 cron 日志功能"
filelog="/etc/syslog-ng/syslog-ng.conf"
file="/var/log/cron"
neirong=" filter f_cron { facility(cron); }; destination cron { file("$file"); }; log { source(src); filter(f_cron); destination(cron); };"
if [ -f "$filelog" ]; thencp "$filelog"  "$filelog".backupecho "$neirong"  >> "$filelog"if [ ! -f "$file" ]; thentouch "$file"chmod 755 "$file"action  "cron 文件已创建" /bin/trueelseaction  "cron 文件已存在" /bin/falsefi 
elseaction  "syslog-ng.conf配置 文件不存在" /bin/false
fi
}
syslog_ng_cron#115检查是否记录成功登陆日志
login(){
echo "#115 登录情况日志"
day=$(date +"%a %b %e")
last | grep "$day" >/dev/null
if [ $? -eq 0 ]; thenaction  "成功记录登录记录" /bin/true
elseaction  "未成功记录登录记录" /bin/false
fi
}
login
#116
#117#118检查syslog-ng是否配置安全事件日志
syslog_ng_anquan(){
echo "#118 syslog安全日志"
filelog="/etc/syslog-ng/syslog-ng.conf"
file="/var/adm/msgs"
neirong=" filter f_msgs { level(err) or facility(kern) and level(debug) or facility(daemon) and level(notice); }; destination msgs { file("$file"); }; log { source(src); filter(f_msgs); destination(msgs); }; "
if [ -f "$filelog" ]; thencp "$filelog"  ${filelog}-${time}.bakgrep "$file" "$filelog" >/dev/nullif [ $? -ne 0 ]; then echo "$neirong" >> "$filelog"if [ ! -f "$file" ]; thentouch "$file"chmod 666 "$file"action "创建日志文件" /bin/trueelse service syslog restartaction "syslog-ng服务重启" /bin/truefielseaction "rslog-ng配置文件内容已经存在" /bin/falsefi
elseaction "rslog-ng配置文件不存在" /bin/false
fi
}
syslog_ng_anquan#117,119检查rsyslog是否配置安全事件日志
rsyslog_anquan(){
echo "#117,119 rsyslog安全日志"
filelog="/etc/rsyslog.conf"
file="/var/adm/messages"
neirong="*.err;kern.debug;daemon.notice          /var/adm/messages"
if [ -f "$filelog" ]; thencp "$filelog" "$filelog".backupangrep "$file" "$filelog" >/dev/nullif [ $? -ne 0 ];thensed -i "75i$neirong" "$filelog"if [ ! -f "$file" ];thentouch "$file" chmod 666 "$file"action "创建日志文件" /bin/trueelseservice rsyslog restartaction "rsyslog服务重启" /bin/true  fielse action "rsyslog配置文件内容已经存在" /bin/truefi
elseaction "rsyslog配置文件不存在"  /bin/false
fi
}
rsyslog_anquan#120检查是否配置su命令使用情况记录
su(){
echo "#120 su 命令使用情况"
if grep -q "Red Hat Enterprise Linux Server 5" /etc/redhat-release; thenecho "编辑 /etc/syslog.conf 文件"sed -i 's/^authpriv\.\*.*$/authpriv.* \/var\/log\/secure/' /etc/syslog.conf
fi
if [[ -f /etc/rsyslog.conf || -f /etc/syslog-ng/syslog-ng.conf ]]; thenif grep -q "Red Hat Enterprise Linux Server 6" /etc/redhat-release || \grep -q "openSUSE release 11" /etc/SuSE-release; thenecho "编辑 /etc/rsyslog.conf 文件"sed -i 's/^authpriv\.\*.*$/authpriv.* \/var\/log\/secure/' /etc/rsyslog.confelif grep -q "SuSE Linux Enterprise Server 9" /etc/SuSE-release; thenecho "编辑 /etc/syslog.conf 文件"sed -i 's/^authpriv\.\*.*$/authpriv.* \/var\/log\/secure/' /etc/syslog.confelif grep -q "SUSE Linux Enterprise Server 10" /etc/SuSE-release || \grep -q "SUSE Linux Enterprise Server 11" /etc/SuSE-release; thenecho "编辑 /etc/syslog-ng/syslog-ng.conf 文件"sed -i '/filter f_secure {/a\    facility(authpriv);' /etc/syslog-ng/syslog-ng.confsed -i '/destination priverr {/a\    file("/var/log/secure");' /etc/syslog-ng/syslog-ng.confsed -i '/log {/a\    source(src); filter(f_secure); destination(priverr);' /etc/syslog-ng/syslog-ng.conffi
fi
touch /var/log/secure
if command -v systemctl &>/dev/null; thensystemctl restart rsyslog.service
elif command -v service &>/dev/null; thenservice syslog restart
elseaction  "无法确定系统类型或找不到适用的服务管理工具" /bin/falseexit 1
fi
action  "syslog 配置已修改并服务已重启" /bin/true
}
su#121
#122#123 rsyslog 远程日志功能
rsyslog(){
echo "#123 rsyslog 远程日志功能" 
ip="192.168.0.1"
mail="*.*"
file="/etc/rsyslog.conf"
if [ -f "$file" ]; thencp "$file" "$file".backupecho "$mial" @"$ip" >> "$file"systemctl restart rsyslogaction  "rsyslog 已经重启"  /bin/true
elseaction  "rsyslog.conf 文件" /bin/false
fi
}
rsyslog#124 syslog_ng远程日志功能
syslog_ng_conf(){
echo "#124 syslog_ng远程日志功能"
file="/etc/syslog-ng.conf"
ip="192.168.0.1"
shu="514"
if [ -f "$file" ]; thencp "$file" "$file".backupecho "destination logserver { udp("$ip" port("$shu"));};log {source(src);destination(logserver);};" >> "$file"systemctl restart syslog-ngaction  "syslog-ng 已经重启" /bin/true
elseaction  "syslog-ng文件" /bin/false
fi
}
syslog_ng_conf#125 syslog远程日志功能
syslog(){
echo "#125 syslog远程日志功能"
mail="*.*"
ip="192.168.0.1"
file=/etc/syslog.conf
if [ -f "$file" ]; thencp "$file"  "$file".backupecho "$mail @$ip" >> "$file"service syslog  restartaction  "syslog 已经重启"  /bin/true
elseaction "syslog.conf文件" /bin/false 
fi
}
syslog # 设置 主机拒绝策略文件/etc/hosts.deny 的属组和属主为root
host_deny(){
echo  "#设置主机拒绝策略文件/etc/hosts.deny 的属组和属主为root"
chown root:root /etc/hosts.deny
if [ "$?" == 0 ]
then
action "chown root:root /etc/hosts.deny" /bin/true
else
action "chown root:root /etc/hosts.deny" /bin/false
fi
}
host_deny# 设置 主机允许策略文件/etc/hosts.allow的权限为644
host_all(){
echo  "#设置 主机允许策略文件/etc/hosts.allow的权限为644"
chmod 644 /etc/hosts.allow
if [ "$?" == 0 ]
then
action "chmod 644 /etc/hosts.allow" /bin/true
else
action "chmod 644 /etc/hosts.allow" /bin/false
fi
}
host_all# 设置 主机拒绝策略文件/etc/hosts.deny的权限为644
host_de(){
echo  "#设置主机拒绝策略文件/etc/hosts.deny的权限为644"
chmod 644 /etc/hosts.deny
if [ "$?" == 0 ]
then
action "" /bin/true
else
action "" /bin/false
fi
}
host_de# 设置用户/组 的用户和密码文件属主属组为root
userpass(){
echo  "#设置用户/组 的用户和密码文件属主属组为root"
chown root:root /etc/passwd /etc/shadow /etc/group /etc/gshadow
if [ "$?" == 0 ]
then
action "chown root:root /etc/passwd /etc/shadow /etc/group /etc/gshadow" /bin/true
else
action "chown root:root /etc/passwd /etc/shadow /etc/group /etc/gshadow" /bin/false
fi
}
userpass# 设置组文件 的权限为0644
group(){
echo  "#设置组文件 的权限为0644"
chmod 0644 /etc/group
if [ "$?" == 0 ]
then
action "chmod 0644 /etc/group" /bin/true
else
action "chmod 0644 /etc/group" /bin/false
fi
}
group# 设置用户文件 的权限为644
passwdfile(){
echo  "#设置用户文件 的权限为644"
chmod 0644 /etc/passwd
if [ "$?" == 0 ]
then
action "chmod 0644 /etc/passwd" /bin/true
else
action "chmod 0644 /etc/passwd" /bin/false
fi
}# 设置用户的密码文件为0400只读,禁止修改用户密码
shadow_file(){
echo   "#设置用户的密码文件为0400只读,禁止修改用户密码"
chmod 0400 /etc/shadow
if [ "$?" == 0 ]
then
action "chmod 0400 /etc/shadow" /bin/true
else
action "chmod 0400 /etc/shadow" /bin/false
fi
}
shadow_file# 设置组密码文件为0400制度, 禁止修改组密码
gshadow_file(){
echo  "#设置组密码文件为0400制度, 禁止修改组密码"
chmod 0400 /etc/gshadow
if [ "$?" == 0 ]
then
action "chmod 0400 /etc/gshadow" /bin/true
else
action "chmod 0400 /etc/gshadow" /bin/false
fi
}
gshadow_file# 设置sshd主配置文件属主属组为root
sshd_root(){
echo  "#设置sshd主配置文件属主属组为root"
chown root:root /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "chown root:root /etc/ssh/sshd_config" /bin/true
else
action "chown root:root /etc/ssh/sshd_config" /bin/false
fi
}
sshd_root# 设置sshd主配置文件权限为0600
sshd_limits(){
echo  "#设置sshd主配置文件权限为0600"
chmod 600 /etc/ssh/sshd_config
if [ "$?" == 0 ]
then
action "chmod 600 /etc/ssh/sshd_config" /bin/true
else
action "chmod 600 /etc/ssh/sshd_config" /bin/false
fi
}
sshd_root# 设置/etc/profile文件属主属组为root
fprfile_env(){
echo  "#设置/etc/profile文件属主属组为root"
chown root:root /etc/profile
if [ "$?" == 0 ]
then
action "chown root:root /etc/profile" /bin/true
else
action "chown root:root /etc/profile" /bin/false
fi
}
fprfile_env# 设置/etc/profile文件权限为644
profile_limits(){
echo  "#设置/etc/profile文件权限为644"
chmod 644 /etc/profile
if [ "$?" == 0 ]
then
action "chmod 644 /etc/profile" /bin/true
else
action "chmod 644 /etc/profile" /bin/false
fi
}
profile_limits# 开机自启安全审计服务并现在启动
audit_enable(){
echo  "#开机自启安全审计服务并现在启动"
systemctl enable --now auditd
if [ "$?" == 0 ]
then
action "systemctl enable --now auditd" /bin/true
else
action "systemctl enable --now auditd" /bin/false
fi
}
audit_enable# 开机自启日志服务并现在启动
rsyslog_log(){
echo  "#开机自启日志服务并现在启动"
systemctl enable --now rsyslog
if [ "$?" == 0 ]
then
action "systemctl enable --now rsyslog" /bin/true
else
action "systemctl enable --now rsyslog" /bin/false
fi
}
rsyslog_log# 定义安全审计规则
anquanshengji(){
cp /etc/audit/rules.d/audit.rules  /etc/audit/rules.d/audit.rules-${time}
echo  "#定义安全审计规则"
echo '-a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete -a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete' >> /etc/audit/rules.d/audit.rules
if [ "$?" == 0 ]
then
action "/etc/audit/rules.d/audit.rules" /bin/true
else
action "/etc/audit/rules.d/audit.rules" /bin/false
fi
}
anquanshengji# 定义安全设计规则
anquansheji(){
cp  /etc/audit/audit.rules  /etc/audit/audit.rules-${time}
echo  "#定义安全设计规则"
echo '-a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete -a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete' >> /etc/audit/audit.rules
if [ "$?" == 0 ]
then
action "/etc/audit/audit.rules " /bin/true
else
action "/etc/audit/audit.rules " /bin/false
fi
}
anquansheji# 定义安全审计规则
anquansheji_rulesd(){
echo   "#定义安全审计规则"
echo ' -w /etc/group -p wa -k identity -w /etc/passwd -p wa -k identity -w /etc/gshadow -p wa -k identity -w /etc/shadow -p wa -k identity -w /etc/security/opasswd -p wa -k identity' >> /etc/audit/rules.d/audit.rules
if [ "$?" == 0 ]
then
action "/etc/audit/rules.d/audit.rules" /bin/true
else
action "/etc/audit/rules.d/audit.rules" /bin/false
fi
}
anquansheji_rulesd# 定义安全审计规则
anquansheji_audit(){
echo ' -w /etc/group -p wa -k identity -w /etc/passwd -p wa -k identity -w /etc/gshadow -p wa -k identity -w /etc/shadow -p wa -k identity -w /etc/security/opasswd -p wa -k identity' >> /etc/audit/audit.rules
if [ "$?" == 0 ]
then
action "/etc/audit/audit.rules" /bin/true
else
action "/etc/audit/audit.rules" /bin/false
fi
}
anquansheji_audit# 定义安全审计规则
anquansheji_rulesd_file(){
echo ' -w /etc/sudoers -p wa -k scope -w /etc/sudoers.d/ -p wa -k scope' >> /etc/audit/rules.d/audit.rules
if [ "$?" == 0 ]
then
action "/etc/audit/rules.d/audit.rules" /bin/true
else
action "/etc/audit/rules.d/audit.rules" /bin/false
fi
}
anquansheji_rulesd_file# 定义安全审计规则
anquansheji_audit_file(){
echo ' -w /etc/sudoers -p wa -k scope -w /etc/sudoers.d/ -p wa -k scope' >> /etc/audit/audit.rules
if [ "$?" == 0 ]
then
action "/etc/audit/audit.rules" /bin/true
else
action "/etc/audit/audit.rules" /bin/false
fi
}
anquansheji_audit_file# 暂停rpcbind服务--nfs需要依赖rpcbind服务来实现客户端和服务器的路由请求
systemctl disable --now rpcbind &>/dev/null
systemctl disable --now rpcbind.socket &>/dev/null#执行日志写入
bash_run
# systemctl stop rpcbind &>/dev/null
# systemctl stop rpcbind.socket &>/dev/null
# systemctl disable rpcbind.socket &>/dev/null
# systemctl disable rpcbind.socket &>/dev/null
action   "CentOS Linux 7基线标准系统-等保三级-基线加固已完成!!" /bin/true