97 lines
2.0 KiB
Bash
97 lines
2.0 KiB
Bash
#!/bin/sh
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passwd -l xfs
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passwd -l news
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passwd -l nscd
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passwd -l dbus
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passwd -l vcsa
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passwd -l games
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passwd -l nobody
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passwd -l avahi
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passwd -l haldaemon
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passwd -l gopher
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passwd -l ftp
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passwd -l mailnull
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passwd -l pcap
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passwd -l mail
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passwd -l shutdown
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passwd -l halt
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passwd -l uucp
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passwd -l operator
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passwd -l sync
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passwd -l adm
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passwd -l lp
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# chattr /etc/passwd /etc/shadow
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chattr +i /etc/passwd
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chattr +i /etc/shadow
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chattr +i /etc/group
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chattr +i /etc/gshadow
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# add continue input failure 3 ,passwd unlock time 5 minite
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sed -i 's#auth required pam_env.so#auth required pam_env.sonauth required pam_tally.so onerr=fail deny=3 unlock_time=300nauth required /lib/security/$ISA/pam_tally.so onerr=fail deny=3 unlock_time=300#' /etc/pam.d/system-auth
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# system timeout 5 minite auto logout
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echo "TMOUT=300" >>/etc/profile
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# will system save history command list to 10
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sed -i "s/HISTSIZE=1000/HISTSIZE=10/" /etc/profile
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# enable /etc/profile go!
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source /etc/profile
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# add syncookie enable /etc/sysctl.conf
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echo "net.ipv4.tcp_syncookies=1" >> /etc/sysctl.conf
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sysctl -p # exec sysctl.conf enable
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# optimizer sshd_config
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sed -i "s/#MaxAuthTries 6/MaxAuthTries 6/" /etc/ssh/sshd_config
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sed -i "s/#UseDNS yes/UseDNS no/" /etc/ssh/sshd_config
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# limit chmod important commands
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chmod 700 /bin/ping
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chmod 700 /usr/bin/finger
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chmod 700 /usr/bin/who
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chmod 700 /usr/bin/w
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chmod 700 /usr/bin/locate
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chmod 700 /usr/bin/whereis
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chmod 700 /sbin/ifconfig
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chmod 700 /usr/bin/pico
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chmod 700 /bin/vi
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chmod 700 /usr/bin/which
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chmod 700 /usr/bin/gcc
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chmod 700 /usr/bin/make
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chmod 700 /bin/rpm
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# history security
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chattr +a /root/.bash_history
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chattr +i /root/.bash_history
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# write important command md5
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cat > list << "EOF" &&
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/bin/ping
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/bin/finger
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/usr/bin/who
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/usr/bin/w
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/usr/bin/locate
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/usr/bin/whereis
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/sbin/ifconfig
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/bin/pico
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/bin/vi
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/usr/bin/vim
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/usr/bin/which
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/usr/bin/gcc
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/usr/bin/make
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/bin/rpm
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EOF
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for i in `cat list`
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do
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if [ ! -x $i ];then
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echo "$i not found,no md5sum!"
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else
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md5sum $i >> /var/log/`hostname`.log
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fi
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done
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rm -f list |