Linux °æ (¾«»ªÇø)
·¢ÐÅÈË: hbt (Country Roads), ÐÅÇø: Linux
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·¢ÐÅÕ¾: ×Ï ¶¡ Ïã (Fri Dec 25 18:40:41 1998), תÐÅ
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1. ÔÚÖ¸¶¨µÄʱ¼äÖ´ÐиÃshell£¬ÔÚ/etcÏÂÉú³ÉÒ»ÃûΪnologinµÄÎļþ£¬È磺
vi /sbin/login.denied
echo " Login Denied " > /etc/nologin
chmod 700 login.denied
2. ÔÚÖ¸¶¨µÄʱ¼äÖ´ÐиÃshell£¬É¾³ý/etc/ϵÄnologinÎļþ£¬È磺
vi /sbin/login.allowed
if [ -f /etc/nologin ]; then
rm /etc/nologin
fi
chmod 700 login.allowed
3. ±àдһ¸öÏÞÖÆʱ¼äµÄshell£¬È磺
vi /sbin/security
if [ -f /sbin/login.denied ]; then
at -f /sbin/login.denid 22:00
fi
if [ -f /sbin/login.allowed ]; then
at -f /sbin/login.allowed 8:00
if
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ÔÚ /etc/security/access.confÖÐÅäÖãº
-:root:ALL EXCEPT console
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