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1.1 Éó¼ÆÈÕÖ¾£¨Audit Log£©

Linuxϵͳ×Ô´øµÄÉó¼Æ¹¤¾ß¿ÉÒԼͼϵͳµÄÖ÷Òª²Ù×÷ºÍÊÂÎñ£¬ÈçµÇ¼¡¢Îļþ¸ü¸Ä¡¢Àú³ÌÆô¶¯µÈ¡£¿ÉÒÔʹÓÃauditctlºÍausearchÏÂÁîÀ´ÉèÖúÍÅÌÎÊÉó¼ÆÈÕÖ¾¡£ÏÂÃæÊÇÒ»¸öʾÀý£º

# ¿ªÆôÉó¼ÆÈÕÖ¾
auditctl -e 1

# ÅÌÎÊÉó¼ÆÈÕÖ¾
ausearch -m USER_LOGIN

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1.2 OpenSCAP

OpenSCAPÊÇÒ»¿î¿ªÔ´µÄÇå¾²ºÏ¹æÐÔÆÀ¹À¹¤¾ß£¬¿ÉÒÔ¶ÔLinuxϵͳ¾ÙÐÐ×Ô¶¯»¯µÄÇå¾²Éó¼Æ¡£ÏÂÃæÊÇÒ»¸öʹÓÃOpenSCAP¼ì²éϵͳÇå¾²ÐÔµÄʾÀý£º

# ×°ÖÃOpenSCAP
yum install -y openscap-scanner scap-security-guide

# ÔËÐÐÇ徲ɨÃè
oscap xccdf eval --profile stig-rhel7-server-upstream /usr/share/xml/scap/ssg/content/ssg-rhel7-ds.xml

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1.3 Lynis

LynisÊÇÒ»¿îÇáÁ¿¼¶µÄÇå¾²Éó¼Æ¹¤¾ß£¬¿ÉÒÔɨÃè²¢ÆÀ¹ÀϵͳµÄÇ徲״̬¡£ÒÔÏÂÊÇÒ»¸öʹÓÃLynis¾ÙÐÐÇå¾²Éó¼ÆµÄʾÀý£º

# ×°ÖÃLynis
apt install -y lynis

# ÔËÐÐÇ徲ɨÃè
lynis audit system

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2.1 ELK Stack

ELK StackÊÇÒ»×éÇ¿Ê¢µÄÈÕÖ¾ÖÎÀí¹¤¾ß£¬°üÀ¨Elasticsearch¡¢LogstashºÍKibana¡£Í¨¹ýʹÓÃELK Stack£¬Äú¿ÉÒÔÇáËɵØÍøÂç¡¢ÆÊÎöºÍ¿ÉÊÓ»¯LinuxϵͳµÄÈÕÖ¾Êý¾Ý¡£ÒÔÏÂÊÇÒ»¸öʹÓÃELK Stack¾ÙÐÐÈÕÖ¾ÆÊÎöµÄʾÀý£º

×°ÖúÍÉèÖÃElasticsearch¡¢LogstashºÍKibana£»

ÉèÖÃLogstashÍøÂçLinuxϵͳµÄÈÕÖ¾Êý¾Ý£»

ʹÓÃKibana½¨ÉèÒDZíÅÌÀ´¿ÉÊÓ»¯ÈÕÖ¾Êý¾Ý¡£

2.2 rsyslog

rsyslogÊÇLinuxϵͳÉϳ£ÓõÄÈÕÖ¾ÖÎÀí¹¤¾ß¡£¿ÉÒÔͨ¹ýÉèÖÃrsyslogÀ´ÍøÂç¡¢¹ýÂ˺ʹ洢ϵͳµÄÈÕÖ¾Êý¾Ý¡£ÒÔÏÂÊÇÒ»¸öʹÓÃrsyslog¾ÙÐÐÈÕÖ¾ÆÊÎöµÄʾÀý£º

# ÉèÖÃrsyslogÍøÂçÈÕÖ¾
vim /etc/rsyslog.conf

# Ìá½»ÉèÖøü¸Ä²¢ÖØÆôrsyslogЧÀÍ
systemctl restart rsyslog

# ÅÌÎÊÈÕÖ¾
cat /var/log/syslog | grep "ERROR"

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