×ðÁú¿­Ê±

ͨ¹ýÏÂÁîÐй¤¾ß¼Ó¹ÌÄãµÄLinuxЧÀÍÆ÷Çå¾²ÐÔ

ͨ¹ýÏÂÁîÐй¤¾ß¼Ó¹ÌÄãµÄLinuxЧÀÍÆ÷Çå¾²ÐÔ

ÔÚµ±½ñÊý×Ö»¯Ê±´ú£¬Ð§ÀÍÆ÷µÄÇå¾²ÐÔÊÇÈκÎÍøÕ¾ºÍÓ¦ÓóÌÐòµÄÖ÷Òª°ü¹Ü¡£LinuxЧÀÍÆ÷×÷Ϊ×îÊܽӴýµÄÑ¡ÔñÖ®Ò»£¬ÆäÇå¾²ÐÔÒ²³ÉΪ¸÷È˹Ø×¢µÄ½¹µã¡£ÎªÁËÔöÇ¿ÄãµÄLinuxЧÀÍÆ÷µÄÇå¾²ÐÔ£¬¿ÉÒÔʹÓÃÏÂÁîÐй¤¾ßÀ´¾ÙÐмӹÌ¡£±¾ÎĽ«ÏÈÈÝһЩ³£ÓõÄÏÂÁîÐй¤¾ß¼°ÆäʹÓÃʾÀý£¬×ÊÖúÄã¸üºÃµØ¼Ó¹ÌÄãµÄЧÀÍÆ÷¡£

Fail2Ban

Fail2BanÊÇÒ»¸öÓÃÓÚ±ÜÃâ¶ñÒâµÇ¼ºÍDDoS¹¥»÷µÈµÄ¹¤¾ß¡£Ëüͨ¹ý¼à¿ØЧÀÍÆ÷µÄÈÕÖ¾Îļþ£¬¼ì²âµ½¶à´ÎµÇ¼ʧ°Ü»ò¶ñÒâÐÐΪºó£¬×Ô¶¯½«¹¥»÷ÕßµÄIPµØµã¼ÓÈë×èÖ¹»á¼ûÁбí£¬´Ó¶ø±£»¤Ð§ÀÍÆ÷µÄÇå¾²¡£

×°ÖÃFail2Ban£º

sudo apt-get install fail2ban

µÇ¼ºó¸´ÖÆ

ÉèÖÃFail2Ban£º

sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
sudo vi /etc/fail2ban/jail.local

µÇ¼ºó¸´ÖÆ

ÔÚÉèÖÃÎļþÖУ¬Äã¿ÉÒÔÐÞ¸ÄһЩ²ÎÊý£¬ÀýÈçÉèÖüà¿ØÈÕÖ¾ÎļþµÄλÖá¢×î´óµÇ¼ʧ°Ü´ÎÊý¡¢·â½ûʱ¼äµÈ¡£Íê³Éºó£¬ÖØÆôFail2BanЧÀÍ£º

sudo service fail2ban restart

µÇ¼ºó¸´ÖÆ

SSHÉèÖÃ

SSH£¨Secure Shell£©ÊÇЧÀÍÆ÷Ô¶³ÌµÇ¼µÄ³£Óù¤¾ß¡£ÎªÁËÔöÇ¿SSHµÄÇå¾²ÐÔ£¬Äã¿ÉÒÔÐÞ¸ÄSSHµÄÉèÖÃÎļþ£¬ÏÞÖƵǼʵÑé´ÎÊýºÍ½ûÓÃrootÓû§µÇ¼¡£

±à¼­SSHÉèÖÃÎļþ£º

sudo vi /etc/ssh/sshd_config

µÇ¼ºó¸´ÖÆ

½«ÒÔϲÎÊýµÄÖµÐÞ¸ÄΪËùÐèµÄÇå¾²ÉèÖãº

PermitRootLogin no  #½ûÓÃrootÓû§µÇ¼
MaxAuthTries 3  #ÏÞÖƵǼʵÑé´ÎÊý

µÇ¼ºó¸´ÖÆ

ÉúÑÄÉèÖÃÎļþ²¢ÖØÆôSSHЧÀÍ£º

sudo service sshd restart

µÇ¼ºó¸´ÖÆ

IPTables

IPTablesÊÇLinuxϵͳµÄĬÈÏ·À»ðǽ¹¤¾ß£¬¿ÉÒÔͨ¹ýÉèÖùæÔòÀ´ÏÞÖƶÔЧÀÍÆ÷µÄ»á¼û¡£Äã¿ÉÒÔʹÓÃIPTablesÀ´ÆÁÕÏÌض¨µÄIPµØµã¡¢¶Ë¿Ú»òЭÒ飬Ìá¸ßЧÀÍÆ÷µÄÇå¾²ÐÔ¡£

Ìí¼ÓIPTables¹æÔò£º

sudo iptables -A INPUT -s <IPµØµã> -j DROP

µÇ¼ºó¸´ÖÆ

ÀýÈ磬ҪÆÁÕÏIPµØµãΪ 192.168.1.100 µÄ»á¼û£º

sudo iptables -A INPUT -s 192.168.1.100 -j DROP

µÇ¼ºó¸´ÖÆ

ʹÓÃÒÔÏÂÏÂÁîÉó²éÄ¿½ñµÄIPTables¹æÔò£º

sudo iptables -L

µÇ¼ºó¸´ÖÆ

Lynis

LynisÊÇÒ»¸ö¿ªÔ´µÄÇå¾²ÐÔÉó¼Æ¹¤¾ß£¬ÓÃÓÚ¼ì²éºÍÆÀ¹ÀLinuxϵͳÉϵÄÇ徲Σº¦¡£Ëü¿ÉÒÔɨÃèϵͳÖеÄÉèÖÃÎļþ¡¢Àú³Ì¡¢Óû§µÈ£¬²¢ÌṩÏìÓ¦µÄ½¨æźÍÐÞ¸´½¨Òé¡£ÒÔÏÂÊÇʹÓÃLynisµÄ¼òÆÓʾÀý£º

×°ÖÃLynis£º

sudo apt-get install lynis

µÇ¼ºó¸´ÖÆ

ÔËÐÐLynisɨÃ裺

sudo lynis audit system

µÇ¼ºó¸´ÖÆ

Lynis½«É¨ÃèÄãµÄϵͳ£¬²¢Êä³öÒ»¸öÏêϸµÄ±¨¸æ£¬°üÀ¨·¢Ã÷µÄÇå¾²ÎÊÌâºÍ½¨ÒéµÄÐÞ¸´ÒªÁì¡£

×ܽá

ÒÔÉÏÏÈÈÝÁËһЩ³£ÓõÄÏÂÁîÐй¤¾ß£¬Í¨¹ýʹÓÃÕâЩ¹¤¾ß£¬Äã¿ÉÒÔ¼Ó¹ÌÄãµÄLinuxЧÀÍÆ÷µÄÇå¾²ÐÔ¡£È»¶ø£¬ÕâÖ»ÊÇһЩ»ù±¾µÄÇå¾²²½·¥£¬ÎªÁ˽øÒ»²½Ìá¸ßЧÀÍÆ÷µÄÇå¾²ÐÔ£¬Ä㻹ÐèÒª°´ÆÚ¸üвÙ×÷ϵͳºÍÈí¼þ¡¢Ê¹ÓÃÖØ´óµÄÃÜÂë¡¢°´ÆÚ±¸·ÝÊý¾ÝµÈ¡£Ö»ÓÐ×ÛºÏʹÓöàÖÖÇå¾²²½·¥£¬²Å»ª¸üºÃµØ±£»¤ÄãµÄЧÀÍÆ÷ºÍÊý¾Ý²»Êܹ¥»÷¡£

ÒÔÉϾÍÊÇͨ¹ýÏÂÁîÐй¤¾ß¼Ó¹ÌÄãµÄLinuxЧÀÍÆ÷Çå¾²ÐÔµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í×ðÁú¿­Ê±ÂËÓÍ»úÍø¹Ù·½Ì¬¶È£¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ×ðÁú¿­Ê±ÊµÊ±ÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ×ðÁú¿­Ê±

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎ壬9:30-18:30£¬½ÚãåÈÕÐÝÏ¢

QR code
¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿