CentOSÉϴwebЧÀÍÆ÷µÄÇå¾²Éó¼ÆÓëÊÂÎñÈÕÖ¾ÖÎÀí
centosÉϴwebЧÀÍÆ÷µÄÇå¾²Éó¼ÆÓëÊÂÎñÈÕÖ¾ÖÎÀí
¸ÅÊö
Ëæ×Å»¥ÁªÍøµÄÉú³¤£¬WebЧÀÍÆ÷µÄÇå¾²Éó¼ÆºÍÊÂÎñÈÕÖ¾ÖÎÀí±äµÃÔ½À´Ô½Ö÷Òª¡£ÔÚCentOS²Ù×÷ϵͳÉϴWebЧÀÍÆ÷ºó£¬ÎÒÃÇÐèÒª¹ØעЧÀÍÆ÷µÄÇå¾²ÐÔ²¢±£»¤Ð§ÀÍÆ÷ÃâÊܶñÒâ¹¥»÷¡£±¾ÎĽ«ÏÈÈÝÔõÑù¾ÙÐÐÇå¾²Éó¼ÆºÍÊÂÎñÈÕÖ¾ÖÎÀí£¬²¢ÌṩÏà¹Ø´úÂëʾÀý¡£
Çå¾²Éó¼Æ
Çå¾²Éó¼ÆÊÇÖ¸¶ÔЧÀÍÆ÷µÄÇ徲״̬¾ÙÐÐÖÜÈ«µÄ¼à¿ØºÍ¼ì²é£¬ÊµÊ±·¢Ã÷DZÔÚµÄÇå¾²ÎÊÌâ²¢½ÓÄÉÏìÓ¦µÄÇå¾²²½·¥¡£ÏÂÃæÊÇÔÚCentOSÉϾÙÐÐWebЧÀÍÆ÷Çå¾²Éó¼ÆµÄÒªº¦°ì·¨£º
×°ÖÃÐëÒªÈí¼þ
ÎÒÃÇÐèҪװÖÃһЩ¹¤¾ßÀ´ÐÖú¾ÙÐÐÇå¾²Éó¼Æ¡£ÒÔÏÂÊÇһЩ³£ÓõÄÇå¾²Éó¼Æ¹¤¾ß£º
Nmap£ºÓÃÓÚɨÃèЧÀÍÆ÷ÉÏ¿ª·ÅµÄ¶Ë¿ÚºÍЧÀÍ¡£
Lynis£ºÓÃÓÚ×Ô¶¯»¯Ð§ÀÍÆ÷µÄÇå¾²Éó¼ÆºÍΣº¦ÆÀ¹À¡£
OpenVAS£ºÓÃÓÚÖÜÈ«µÄÎó²îɨÃèºÍÇå¾²Éó¼Æ¡£
¿ÉÒÔʹÓÃÒÔÏÂÏÂÁîÀ´×°ÖÃÕâЩ¹¤¾ß£º
sudo yum install nmap lynis openvas
µÇ¼ºó¸´ÖÆ
ɨÃ迪·ÅµÄ¶Ë¿ÚºÍЧÀÍ
ʹÓÃNmap¹¤¾ßɨÃèЧÀÍÆ÷ÉÏ¿ª·ÅµÄ¶Ë¿ÚºÍÔËÐеÄЧÀÍ¡£ÒÔÏÂÊÇÒ»¸öNmapµÄÏÂÁîʾÀý£º
nmap -p 1-65535 -sV <ЧÀÍÆ÷IPµØµã>
µÇ¼ºó¸´ÖÆ
´ËÏÂÁɨÃè1ÖÁ65535¹æÄ£ÄÚµÄËùÓж˿ڣ¬²¢ÏÔʾÔËÐеÄЧÀͺͰ汾ÐÅÏ¢¡£
ÔËÐÐÇå¾²Éó¼Æ¹¤¾ß
ʹÓÃLynisºÍOpenVASÕâЩ¹¤¾ßÀ´ÔËÐÐÒ»´ÎÖÜÈ«µÄÇå¾²Éó¼Æ¡£ÒÔÏÂÊÇÔËÐÐLynisµÄÏÂÁîʾÀý£º
sudo lynis audit system
µÇ¼ºó¸´ÖÆ
´ËÏÂÁ¶ÔЧÀÍÆ÷ÉϵÄÎļþ¡¢Óû§¡¢ÍøÂçЧÀ͵ȾÙÐмì²é£¬²¢ÌìÉúÒ»¸öÇå¾²Éó¼Æ±¨¸æ¡£
ÆÊÎöÇå¾²Éó¼Æ±¨¸æ
ÆÊÎöÌìÉúµÄÇå¾²Éó¼Æ±¨¸æ£¬²éÕÒÆäÖеÄÇå¾²ÎÊÌ⣬²¢½ÓÄÉÏìÓ¦µÄ²½·¥À´ÐÞ¸´ÕâЩÎÊÌâ¡£ÀýÈ磬ÈôÊDZ¨¸æÖÐÏÔʾһ¸öÌض¨°æ±¾µÄÈí¼þ±£´æÇå¾²Îó²î£¬¿ÉÒÔÉý¼¶µ½×îа汾ÒÔÐÞ²¹¸ÃÎó²î¡£
ÊÂÎñÈÕÖ¾ÖÎÀí
ÊÂÎñÈÕÖ¾ÖÎÀíÊÇÖ¸¶ÔЧÀÍÆ÷ÉϵÄÖÖÖÖÊÂÎñ¾ÙÐмͼºÍÆÊÎö£¬ÒÔ±ãʵʱ·¢Ã÷Ï¢Õù¾öDZÔÚµÄÇå¾²ÎÊÌâ¡£ÒÔÏÂÊÇÔÚCentOSÉϾÙÐÐÊÂÎñÈÕÖ¾ÖÎÀíµÄÒªº¦°ì·¨£º
ÉèÖÃÈÕÖ¾¼Í¼
ÎÒÃÇÐèÒªÉèÖÃЧÀÍÆ÷ÒԼͼÖÖÖÖÊÂÎñÈÕÖ¾¡£ÔÚCentOSÖУ¬ÈÕÖ¾¼Í¼ÉèÖÃÎļþλÓÚ/etc/rsyslog.confÎļþÖС£Ê¹ÓÃÎı¾±à¼Æ÷·¿ª¸ÃÎļþ£¬²¢È·±£ÒÔÏÂÐÐûÓб»×¢Ê͵ô£º
*.info;mail.none;authpriv.none;cron.none /var/log/messages authpriv.* /var/log/secure mail.* -/var/log/maillog
µÇ¼ºó¸´ÖÆ
Õ⽫ȷ±£ÏµÍ³¡¢Çå¾²ºÍÓʼþÈÕÖ¾»á±»¼Í¼ÔÚÏìÓ¦µÄÎļþÖС£
ÉèÖÃÈÕÖ¾¼¶±ð
ÎÒÃÇ»¹¿ÉÒÔÉèÖÃÈÕÖ¾¼¶±ðÒÔ¹ýÂ˲î±ðÑÏÖØˮƽµÄÊÂÎñ¡£ÔÚ/etc/rsyslog.confÎļþÖУ¬¿ÉÒÔÕÒµ½ÒÔÏÂÐУº
*.info;mail.none;authpriv.none;cron.none /var/log/messages
µÇ¼ºó¸´ÖÆ
¿ÉÒÔƾ֤ÐèÒª½«*.infoÌ滻Ϊ¸üÏêϸµÄ¼¶±ð£¬ÀýÈç*.err¡£Õ⽫ֻ¼Í¼¹ýʧ¼¶±ð¼°ÒÔÉϵÄÊÂÎñ¡£
ÆÊÎöÈÕÖ¾Îļþ
ʹÓÃÈÕÖ¾ÆÊÎö¹¤¾ßÀ´ÆÊÎöÈÕÖ¾Îļþ£¬ÒÔ²éÕÒÒì³£ÊÂÎñ¡£ÒÔÏÂÊÇһЩ³£ÓõÄÈÕÖ¾ÆÊÎö¹¤¾ß£º
Logwatch£º×Ô¶¯»¯µÄÈÕÖ¾ÆÊÎö¹¤¾ß£¬ÓÃÓÚÌìÉúÒ׶ÁµÄÈÕÖ¾±¨¸æ¡£
Fail2ban£ºÓÃÓÚ¼ì²âºÍ¶Ô¿¹¶ñÒâIPµØµãµÄ¹¤¾ß£¬¿ÉÒÔ±ÜÃⱩÁ¦ÆƽâºÍDDoS¹¥»÷¡£
¿ÉÒÔʹÓÃÒÔÏÂÏÂÁîÀ´×°ÖÃÕâЩ¹¤¾ß£º
sudo yum install logwatch fail2ban
µÇ¼ºó¸´ÖÆ
´úÂëʾÀý
ÒÔÏÂÊÇÒ»¸ö¼òÆÓµÄPHP´úÂëʾÀý£¬ÓÃÓÚ¼ÍÈÎÃü»§ÔڵǼҳÃæÉϵÄËùÓвÙ×÷£¬²¢½«¼Í¼дÈëÈÕÖ¾Îļþ£º
<?php $logFile = '/var/log/login.log'; if ($_SERVER['REQUEST_METHOD'] === 'POST') { $username = $_POST['username']; $password = $_POST['password']; $date = date('Y-m-d H:i:s'); $logMessage = "[$date] User '$username' attempted to login from IP '{$_SERVER['REMOTE_ADDR']}' "; file_put_contents($logFile, $logMessage, FILE_APPEND); } ?>
µÇ¼ºó¸´ÖÆ
½«ÒÔÉÏ´úÂëÌí¼Óµ½µÇ¼ҳÃæµÄPHPÎļþÖУ¬Óû§Ã¿´ÎÌá½»µÇ¼±íµ¥Ê±£¬µÇ¼ÈÕÖ¾½«±»¼Í¼µ½/var/log/login.logÎļþÖС£
½áÂÛ
ÔÚCentOSÉϴWebЧÀÍÆ÷ºó£¬Çå¾²Éó¼ÆºÍÊÂÎñÈÕÖ¾ÖÎÀí¶¼ÊÇÖÁ¹ØÖ÷ÒªµÄ¡£Í¨¹ý¾ÙÐÐÖÜÈ«µÄÇå¾²Éó¼ÆºÍÓÐÓõÄÊÂÎñÈÕÖ¾ÖÎÀí£¬ÎÒÃÇÄܹ»ÊµÊ±·¢Ã÷Ï¢Õù¾öDZÔÚµÄÇå¾²ÎÊÌ⣬±£»¤×ðÁú¿Ê±Ð§ÀÍÆ÷ÃâÊܶñÒâ¹¥»÷¡£Ï£Íû±¾ÎÄÌṩµÄÇå¾²Éó¼ÆºÍÊÂÎñÈÕÖ¾ÖÎÀíµÄ°ì·¨ºÍ´úÂëʾÀý¶ÔÄúÓÐËù×ÊÖú¡£
ÒÔÉϾÍÊÇCentOSÉϴwebЧÀÍÆ÷µÄÇå¾²Éó¼ÆÓëÊÂÎñÈÕÖ¾ÖÎÀíµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡