ÔõÑù±£»¤CentOSЧÀÍÆ÷ÃâÊÜÍøÂç¹¥»÷
ÔõÑù±£»¤centosЧÀÍÆ÷ÃâÊÜÍøÂç¹¥»÷
ÏÖÏÖÔÚ£¬ÍøÂçÇå¾²ÎÊÌâ±äµÃÈÕÒæÑÏÖØ£¬Ð§ÀÍÆ÷Çå¾²ÊÇÍøÕ¾ºÍÓ¦ÓóÌÐòÔËÐеÄÒªº¦ÒªËØÖ®Ò»¡£±¾ÎĽ«ÏÈÈÝÔõÑù±£»¤centosЧÀÍÆ÷ÃâÊÜÍøÂç¹¥»÷£¬²¢ÌṩһЩÏêϸµÄ´úÂëʾÀý¡£
ʵʱ¸üÐÂϵͳ²¹¶¡
ЧÀÍÆ÷²Ù×÷ϵͳºÍÈí¼þµÄÎó²îÊǺڿ͹¥»÷µÄ³£¼ûÈë¿ÚÖ®Ò»¡£ÎªÁ˱£»¤Ð§ÀÍÆ÷ÃâÊÜÒÑÖªÎó²îµÄ¹¥»÷£¬ÊµÊ±¸üÐÂϵͳ²¹¶¡ÊǺÜÊÇÖ÷ÒªµÄ¡£
ÔÚCentOSÉÏ£¬¿ÉÒÔʹÓÃÒÔÏÂÏÂÁî¸üÐÂϵͳÈí¼þ°ü£º
sudo yum update
µÇ¼ºó¸´ÖÆ
×°Ö÷À»ðǽ
·À»ðǽ¿ÉÒÔ¿ØÖÆÊÕ֧ЧÀÍÆ÷µÄÍøÂçÁ÷Á¿£¬±ÜÃâδ¾ÊÚȨµÄ»á¼û¡£CentOSĬÈÏʹÓõķÀ»ðǽÊÇfirewalld¡£ÒÔÏÂÊÇһЩ³£ÓõÄÏÂÁ
# ¼ì²é·À»ðǽ״̬ sudo systemctl status firewalld # Æô¶¯·À»ðǽ sudo systemctl start firewalld # ×èÖ¹·À»ðǽ sudo systemctl stop firewalld # ¿ª»úÆô¶¯·À»ðǽ sudo systemctl enable firewalld # ¹Ø±Õ¿ª»úÆô¶¯ sudo systemctl disable firewalld # ¿ªÆô¶Ë¿Ú sudo firewall-cmd --zone=public --add-port=80/tcp --permanent # ÖØмÓÔعæÔò sudo firewall-cmd --reload
µÇ¼ºó¸´ÖÆ
ÉèÖÃSSHÇå¾²
SSHÊÇÔ¶³ÌÖÎÀíЧÀ͵ij£Óù¤¾ß£¬Í¬Ê±Ò²ÊǺڿ͹¥»÷µÄÖ÷ҪĿµÄ¡£ÒÔÏÂÊÇһЩÔöÇ¿SSHÇå¾²ÐԵIJ½·¥£º
½ûÓÃSSHµÄrootµÇ¼£º
ʹÓÃͨË×Óû§µÇ¼ЧÀÍÆ÷£¬ÔÙʹÓÃsuÏÂÁîÇл»µ½rootÓû§¾ÙÐÐÖÎÀí²Ù×÷¡£
ÐÞ¸ÄĬÈÏSSH¶Ë¿Ú£º
ºÚ¿Íͨ³£»áɨÃèЧÀÍÆ÷ĬÈϵÄ22¶Ë¿Ú£¬½«SSH¶Ë¿ÚÐÞ¸ÄΪºÜÊÇÓö˿ڿÉÒÔÔöÌíÇå¾²ÐÔ¡£
ʹÓÃÃÜÔ¿µÇ¼£º
ÃÜÔ¿µÇ¼Ïà±ÈÓÚÃÜÂëµÇ¼Խ·¢Çå¾²£¬¿ÉÒÔʹÓÃSSHÃÜÔ¿¶ÔÀ´ÊµÏÖ¡£ÒÔÏÂÊÇÃÜÔ¿ÌìÉúºÍÉèÖõİ취£º
# ÌìÉúÃÜÔ¿¶Ô ssh-keygen -t rsa # ¸´Öƹ«Ô¿µ½Ð§ÀÍÆ÷ ssh-copy-id user@server # ÐÞ¸ÄSSHÉèÖÃÎļþ sudo vi /etc/ssh/sshd_config ½«ÒÔÏÂÐÐÐ޸ĻòÌí¼ÓΪ£º PasswordAuthentication no PubkeyAuthentication yes
µÇ¼ºó¸´ÖÆ
ÉèÖÃSSHµÇ¼ʧ°Ü´ÎÊýÏÞÖÆ£º
ºÚ¿Í¾³£ÊµÑéʹÓñ©Á¦Æƽⷽ·¨µÇ¼SSH£¬Í¨¹ýÏÞÖƵǼʧ°Ü´ÎÊý¿ÉÒÔ¼õ΢Σº¦¡£ÒÔÏÂÊÇÒ»¸öÀý×Ó£º
# ÐÞ¸ÄSSHÉèÖÃÎļþ sudo vi /etc/ssh/sshd_config ½«ÒÔÏÂÐÐÐ޸ĻòÌí¼ÓΪ£º MaxAuthTries 3
µÇ¼ºó¸´ÖÆ
ʹÓÃÇå¾²ÐæźͼÓÃÜÅþÁ¬
ʹÓÃHTTPSÐæźÍSSL/TLSÖ¤ÊéΪÍøÕ¾Ìṩ¼ÓÃÜÅþÁ¬£¬¿ÉÒÔ°ü¹ÜÊý¾ÝµÄÇå¾²ÐÔ¡£ÒÔÏÂÊÇÒ»¸öÉèÖÃNginxЧÀÍÆ÷ʹÓÃHTTPSµÄʾÀý£º
# ×°ÖÃNginx sudo yum install nginx # ÌìÉúSSLÖ¤Êé sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/nginx/nginx.key -out /etc/nginx/nginx.crt # ÉèÖÃNginx sudo vi /etc/nginx/conf.d/default.conf ½«ÒÔÏÂÐÐÐ޸ĻòÌí¼ÓΪ£º server { listen 443 ssl; ssl_certificate /etc/nginx/nginx.crt; ssl_certificate_key /etc/nginx/nginx.key; ... } # ÖØÆôNginx sudo systemctl restart nginx
µÇ¼ºó¸´ÖÆ
×°ÖÃÈëÇÖ¼ì²âϵͳ
ÈëÇÖ¼ì²âϵͳ£¨Intrusion Detection System£¬¼ò³ÆIDS£©¿ÉÒÔ¼à¿ØЧÀÍÆ÷ÉϵÄÒì³£ÐÐΪºÍ¶ñÒâÔ˶¯£¬²¢ÊµÊ±½ÓÄÉÏìÓ¦µÄ²½·¥¡£ÒÔÏÂÊÇÒ»¸öʾÀý£¬Ê¹ÓÃSnort×÷ΪIDS£º
# ×°ÖÃSnort sudo yum install epel-release -y sudo yum install snort -y # ÉèÖÃSnort sudo vi /etc/snort/snort.conf ¾ÙÐÐÐëÒªµÄÉèÖã¬ÈçÍøÂçIP¡¢¹æÔòÎļþµÈ¡£ # Æô¶¯Snort sudo snort -d -c /etc/snort/snort.conf
µÇ¼ºó¸´ÖÆ
×ÛÉÏËùÊö£¬±£»¤CentOSЧÀÍÆ÷ÃâÊÜÍøÂç¹¥»÷ÊÇÒ»¸ö¶à·½ÃæµÄÊÂÇé¡£Ö»ÓÐ×ÛºÏʹÓöàÖÖÇå¾²²½·¥£¬²Å»ª¸üºÃµØ±£»¤Ð§ÀÍÆ÷Çå¾²¡£×îÖ÷ÒªµÄÊÇҪʵʱ¸üÐÂϵͳ¡¢×°Ö÷À»ðǽ¡¢¼Ó¹ÌSSHºÍʹÓÃÇå¾²ÐÒé¡£ÅäºÏ×°ÖÃÈëÇÖ¼ì²âϵͳ£¬Äܹ»ÊµÊ±·¢Ã÷Òì³£ÐÐΪ²¢×ö³öÏìÓ¦ÏìÓ¦¡£ÒÔÉÏÌṩµÄʾÀý´úÂë¿ÉÒÔ×ÊÖúÄú¸üºÃµØʵÑéÕâЩÇå¾²²½·¥¡£
ÒÔÉϾÍÊÇÔõÑù±£»¤CentOSЧÀÍÆ÷ÃâÊÜÍøÂç¹¥»÷µÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡