Re: [ossec-list] Agent cannot conect to failover server

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Mar 19, 2022, 7:52:05 AM3/19/22
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what ?

Vào Th 3, 15 thg 3, 2022 vào lúc 01:42 '(K14 HCM), Nguyen Hoang Phu' via ossec-list <ossec...@googlegroups.com> đã viết:
I'm trying to perform an failover with 2 Ossec servers and 1 agent (all are centos 7)
ossec01: 192.168.123.11
ossec02: 192.168.123.12
agent01: 192.168.123.31

My problem is when I turn off Ossec01, agent cannot send to Ossec02
I have set on 3 nodes: remoted.verify_msg_id=0
And copy from ossec01 to ossec02: client.keys, /var/ossec/queue/rids,  /var/ossec/queue/agent-info

------------ content of ossec02------------

/var/ossec/bin/ossec-analysisd -V
OSSEC HIDS v3.6.0 - OSSEC Foundation

/var/ossec/etc/ossec-init.conf
DIRECTORY="/var/ossec"
VERSION="v3.6.0"
DATE="Sun Mar 13 15:59:27 +07 2022"
TYPE="server"

/var/ossec/etc/ossec.conf
<ossec_config>
  <global>
    <email_notification>no</email_notification>
  </global>

  <rules>
    <include>rules_config.xml</include>
    <include>pam_rules.xml</include>
    <include>sshd_rules.xml</include>
    <include>telnetd_rules.xml</include>
    <include>syslog_rules.xml</include>
    <include>arpwatch_rules.xml</include>
    <include>symantec-av_rules.xml</include>
    <include>symantec-ws_rules.xml</include>
    <include>pix_rules.xml</include>
    <include>named_rules.xml</include>
    <include>smbd_rules.xml</include>
    <include>vsftpd_rules.xml</include>
    <include>pure-ftpd_rules.xml</include>
    <include>proftpd_rules.xml</include>
    <include>ms_ftpd_rules.xml</include>
    <include>ftpd_rules.xml</include>
    <include>hordeimp_rules.xml</include>
    <include>roundcube_rules.xml</include>
    <include>wordpress_rules.xml</include>
    <include>cimserver_rules.xml</include>
    <include>vpopmail_rules.xml</include>
    <include>vmpop3d_rules.xml</include>
    <include>courier_rules.xml</include>
    <include>web_rules.xml</include>
    <include>web_appsec_rules.xml</include>
    <include>apache_rules.xml</include>
    <include>nginx_rules.xml</include>
    <include>php_rules.xml</include>
    <include>mysql_rules.xml</include>
    <include>postgresql_rules.xml</include>
    <include>ids_rules.xml</include>
    <include>squid_rules.xml</include>
    <include>firewall_rules.xml</include>
    <include>apparmor_rules.xml</include>
    <include>cisco-ios_rules.xml</include>
    <include>netscreenfw_rules.xml</include>
    <include>sonicwall_rules.xml</include>
    <include>postfix_rules.xml</include>
    <include>sendmail_rules.xml</include>
    <include>imapd_rules.xml</include>
    <include>mailscanner_rules.xml</include>
    <include>dovecot_rules.xml</include>
    <include>ms-exchange_rules.xml</include>
    <include>racoon_rules.xml</include>
    <include>vpn_concentrator_rules.xml</include>
    <include>spamd_rules.xml</include>
    <include>msauth_rules.xml</include>
    <include>mcafee_av_rules.xml</include>
    <include>trend-osce_rules.xml</include>
    <include>ms-se_rules.xml</include>
    <!-- <include>policy_rules.xml</include> -->
    <include>zeus_rules.xml</include>
    <include>solaris_bsm_rules.xml</include>
    <include>vmware_rules.xml</include>
    <include>ms_dhcp_rules.xml</include>
    <include>asterisk_rules.xml</include>
    <include>ossec_rules.xml</include>
    <include>attack_rules.xml</include>
    <include>openbsd_rules.xml</include>
    <include>clam_av_rules.xml</include>
    <include>dropbear_rules.xml</include>
    <include>sysmon_rules.xml</include>
    <include>opensmtpd_rules.xml</include>
    <include>exim_rules.xml</include>
    <include>openbsd-dhcpd_rules.xml</include>
    <include>dnsmasq_rules.xml</include>
    <include>nsd_rules.xml</include>
    <include>local_rules.xml</include>
  </rules>

  <syscheck>
    <!-- Frequency that syscheck is executed - default to every 22 hours -->
    <frequency>79200</frequency>

    <!-- Directories to check  (perform all possible verifications) -->
    <directories check_all="yes">/etc,/usr/bin,/usr/sbin</directories>
    <directories check_all="yes">/bin,/sbin,/boot</directories>

    <!-- Files/directories to ignore -->
    

    <!-- Windows files to ignore -->
     
  </syscheck>

  <rootcheck>
    <rootkit_files>/var/ossec/etc/shared/rootkit_files.txt</rootkit_files>
    <rootkit_trojans>/var/ossec/etc/shared/rootkit_trojans.txt</rootkit_trojans>
    <system_audit>/var/ossec/etc/shared/system_audit_rcl.txt</system_audit>
    <system_audit>/var/ossec/etc/shared/cis_debian_linux_rcl.txt</system_audit>
    <system_audit>/var/ossec/etc/shared/cis_rhel_linux_rcl.txt</system_audit>
    <system_audit>/var/ossec/etc/shared/cis_rhel5_linux_rcl.txt</system_audit>
  </rootcheck>

  <global>
    <allow_list>127.0.0.1</allow_list>
    <allow_list>::1</allow_list>
    <allow_list>localhost.localdomain</allow_list>
    <allow_list>8.8.8.8</allow_list>
  </global>

  <remote>
    <connection>syslog</connection>
    <allowed-ips>192.168.123.0/24</allowed-ips>
  </remote>

  <remote>
    <connection>secure</connection>
  </remote>

  <alerts>
    <log_alert_level>1</log_alert_level>
  </alerts>

  <command>
    <name>host-deny</name>
    <executable>host-deny.sh</executable>
    <expect>srcip</expect>
    <timeout_allowed>yes</timeout_allowed>
  </command>

  <command>
    <name>firewall-drop</name>
    <executable>firewall-drop.sh</executable>
    <expect>srcip</expect>
    <timeout_allowed>yes</timeout_allowed>
  </command>

  <command>
    <name>disable-account</name>
    <executable>disable-account.sh</executable>
    <expect>user</expect>
    <timeout_allowed>yes</timeout_allowed>
  </command>

  <command>
    <name>restart-ossec</name>
    <executable>restart-ossec.sh</executable>
    <expect></expect>
  </command>


  <command>
    <name>route-null</name>
    <executable>route-null.sh</executable>
    <expect>srcip</expect>
    <timeout_allowed>yes</timeout_allowed>
  </command>


  <!-- Active Response Config -->
  <active-response>
    <!-- This response is going to execute the host-deny
       - command for every event that fires a rule with
       - level (severity) >= 6.
       - The IP is going to be blocked for  600 seconds.
      -->
    <command>host-deny</command>
    <location>local</location>
    <level>6</level>
    <timeout>600</timeout>
  </active-response>

  <active-response>
    <!-- Firewall Drop response. Block the IP for
       - 600 seconds on the firewall (iptables,
       - ipfilter, etc).
      -->
    <command>firewall-drop</command>
    <location>local</location>
    <level>6</level>
    <timeout>600</timeout>
  </active-response>

  <!-- Files to monitor (localfiles) -->

  <localfile>
    <log_format>syslog</log_format>
    <location>/var/log/messages</location>
  </localfile>

  <localfile>
    <log_format>syslog</log_format>
    <location>/var/log/secure</location>
  </localfile>

  <localfile>
    <log_format>syslog</log_format>
    <location>/var/log/maillog</location>
  </localfile>

  <localfile>
    <log_format>command</log_format>
    <command>df -P</command>
  </localfile>

  <localfile>
    <log_format>full_command</log_format>
    <command>netstat -tan |grep LISTEN |egrep -v '(127.0.0.1| ::1)' | sort</command>
  </localfile>

  <localfile>
    <log_format>full_command</log_format>
    <command>last -n 5</command>
  </localfile>
</ossec_config>

/var/ossec/logs/ossec.log
2022/03/15 00:44:57 ossec-testrule: INFO: Reading local decoder file.
2022/03/15 00:44:57 ossec-testrule: INFO: Started (pid: 19905).
2022/03/15 00:44:58 ossec-execd: INFO: Started (pid: 19927).
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading local decoder file.
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'rules_config.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'pam_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'sshd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'telnetd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'syslog_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'arpwatch_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'symantec-av_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'symantec-ws_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'pix_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'named_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'smbd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'vsftpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'pure-ftpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'proftpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ms_ftpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ftpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'hordeimp_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'roundcube_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'wordpress_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'cimserver_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'vpopmail_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'vmpop3d_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'courier_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'web_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'web_appsec_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'apache_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'nginx_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'php_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'mysql_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'postgresql_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ids_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'squid_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'firewall_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'apparmor_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'cisco-ios_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'netscreenfw_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'sonicwall_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'postfix_rules.xml'
2022/03/15 00:44:58 ossec-remoted(1230): ERROR: Invalid element in the configuration: 'allowed_ips'.
2022/03/15 00:44:58 ossec-remoted(1202): ERROR: Configuration error at '/var/ossec/etc/ossec.conf'. Exiting.
2022/03/15 00:44:58 ossec-remoted(1202): ERROR: Configuration error at '/var/ossec/etc/ossec.conf'. Exiting.
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'sendmail_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'imapd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'mailscanner_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'dovecot_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ms-exchange_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'racoon_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'vpn_concentrator_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'spamd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'msauth_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'mcafee_av_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'trend-osce_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ms-se_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'zeus_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'solaris_bsm_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'vmware_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ms_dhcp_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'asterisk_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'ossec_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'attack_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'openbsd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'clam_av_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'dropbear_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'sysmon_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'opensmtpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'exim_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'openbsd-dhcpd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'dnsmasq_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'nsd_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Reading rules file: 'local_rules.xml'
2022/03/15 00:44:58 ossec-analysisd: INFO: Total rules enabled: '1606'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/mtab'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/mnttab'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/hosts.deny'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/mail/statistics'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/random-seed'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/adjtime'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/httpd/logs'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/utmpx'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/wtmpx'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/cups/certs'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/dumpdates'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: '/etc/svc/volatile'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/System32/LogFiles'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/Debug'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/WindowsUpdate.log'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/iis6.log'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/wbem/Logs'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/wbem/Repository'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/Prefetch'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/PCHEALTH/HELPCTR/DataColl'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/SoftwareDistribution'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/Temp'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/config'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/spool'
2022/03/15 00:44:58 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/CatRoot'
2022/03/15 00:44:58 ossec-analysisd: INFO: Allow listing IP: '127.0.0.1'
2022/03/15 00:44:58 ossec-analysisd: INFO: Allow listing IP: '8.8.8.8'
2022/03/15 00:44:58 ossec-analysisd: INFO: 2 IPs in the allow list for active response.
2022/03/15 00:44:58 ossec-analysisd: INFO: Allow listing Hostname: '::1'
2022/03/15 00:44:58 ossec-analysisd: INFO: Allow listing Hostname: 'localhost.localdomain'
2022/03/15 00:44:58 ossec-analysisd: INFO: 2 Hostname(s) in the allow list for active response.
2022/03/15 00:44:58 ossec-analysisd: INFO: Started (pid: 19930).
2022/03/15 00:45:04 ossec-logcollector(1950): INFO: Analyzing file: '/var/log/messages'.
2022/03/15 00:45:04 ossec-logcollector(1950): INFO: Analyzing file: '/var/log/secure'.
2022/03/15 00:45:04 ossec-logcollector(1950): INFO: Analyzing file: '/var/log/maillog'.
2022/03/15 00:45:04 ossec-logcollector: INFO: Monitoring output of command(360): df -P
2022/03/15 00:45:04 ossec-logcollector: INFO: Monitoring full output of command(360): netstat -tan |grep LISTEN |egrep -v '(127.0.0.1| ::1)' | sort
2022/03/15 00:45:04 ossec-logcollector: INFO: Monitoring full output of command(360): last -n 5
2022/03/15 00:45:04 ossec-logcollector: INFO: Started (pid: 19934).
2022/03/15 00:45:04 ossec-analysisd(1210): ERROR: Queue '/queue/alerts/ar' not accessible: 'Connection refused'.
2022/03/15 00:45:04 ossec-analysisd(1301): ERROR: Unable to connect to active response queue.
2022/03/15 00:45:04 ossec-analysisd: INFO: Connected to '/queue/alerts/execq' (exec queue)
2022/03/15 00:45:36 ossec-logcollector(1225): INFO: SIGNAL [(15)-(Terminated)] Received. Exit Cleaning...
2022/03/15 00:45:36 ossec-analysisd(1225): INFO: SIGNAL [(15)-(Terminated)] Received. Exit Cleaning...
2022/03/15 00:45:36 ossec-execd(1314): INFO: Shutdown received. Deleting responses.
2022/03/15 00:45:36 ossec-execd(1225): INFO: SIGNAL [(15)-(Terminated)] Received. Exit Cleaning...
2022/03/15 00:45:37 ossec-testrule: INFO: Reading local decoder file.
2022/03/15 00:45:37 ossec-testrule: INFO: Started (pid: 20004).
2022/03/15 00:45:37 ossec-execd: INFO: Started (pid: 20025).
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading local decoder file.
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'rules_config.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'pam_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'sshd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'telnetd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'syslog_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'arpwatch_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'symantec-av_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'symantec-ws_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'pix_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'named_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'smbd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'vsftpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'pure-ftpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'proftpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ms_ftpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ftpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'hordeimp_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'roundcube_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'wordpress_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'cimserver_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'vpopmail_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'vmpop3d_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'courier_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'web_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'web_appsec_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'apache_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'nginx_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'php_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'mysql_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'postgresql_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ids_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'squid_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'firewall_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'apparmor_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'cisco-ios_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'netscreenfw_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'sonicwall_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'postfix_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'sendmail_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'imapd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'mailscanner_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'dovecot_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ms-exchange_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'racoon_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'vpn_concentrator_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'spamd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'msauth_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'mcafee_av_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'trend-osce_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ms-se_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'zeus_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'solaris_bsm_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'vmware_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ms_dhcp_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'asterisk_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'ossec_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'attack_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'openbsd_rules.xml'
2022/03/15 00:45:37 ossec-remoted: INFO: Started (pid: 20037).
2022/03/15 00:45:37 ossec-remoted: Remote syslog allowed from: '192.168.123.0/24'
2022/03/15 00:45:37 IPv6: :: on port 514
2022/03/15 00:45:37 Socket bound for IPv6: :: on port 514
2022/03/15 00:45:37 ossec-remoted: INFO: Started (pid: 20039).
2022/03/15 00:45:37 IPv6: :: on port 1514
2022/03/15 00:45:37 Socket bound for IPv6: :: on port 1514
2022/03/15 00:45:37 ossec-remoted: INFO: Started (pid: 20040).
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'clam_av_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'dropbear_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'sysmon_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'opensmtpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'exim_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'openbsd-dhcpd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'dnsmasq_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'nsd_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Reading rules file: 'local_rules.xml'
2022/03/15 00:45:37 ossec-analysisd: INFO: Total rules enabled: '1606'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/mtab'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/mnttab'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/hosts.deny'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/mail/statistics'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/random-seed'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/adjtime'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/httpd/logs'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/utmpx'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/wtmpx'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/cups/certs'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/dumpdates'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: '/etc/svc/volatile'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/System32/LogFiles'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/Debug'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/WindowsUpdate.log'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/iis6.log'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/wbem/Logs'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/wbem/Repository'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/Prefetch'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/PCHEALTH/HELPCTR/DataColl'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/SoftwareDistribution'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/Temp'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/config'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/spool'
2022/03/15 00:45:37 ossec-analysisd: INFO: Ignoring file: 'C:\WINDOWS/system32/CatRoot'
2022/03/15 00:45:37 ossec-analysisd: INFO: Allow listing IP: '127.0.0.1'
2022/03/15 00:45:37 ossec-analysisd: INFO: Allow listing IP: '8.8.8.8'
2022/03/15 00:45:37 ossec-analysisd: INFO: 2 IPs in the allow list for active response.
2022/03/15 00:45:37 ossec-analysisd: INFO: Allow listing Hostname: '::1'
2022/03/15 00:45:37 ossec-analysisd: INFO: Allow listing Hostname: 'localhost.localdomain'
2022/03/15 00:45:37 ossec-analysisd: INFO: 2 Hostname(s) in the allow list for active response.
2022/03/15 00:45:37 ossec-analysisd: INFO: Started (pid: 20029).
2022/03/15 00:45:37 ossec-remoted(4111): INFO: Maximum number of agents allowed: '2048'.
2022/03/15 00:45:37 ossec-remoted(1410): INFO: Reading authentication keys file.
2022/03/15 00:45:37 ossec-remoted: Unable to open agent file. errno: 13
2022/03/15 00:45:37 ossec-remoted(1103): ERROR: Could not open file '/queue/rids/001' due to [(13)-(Permission denied)].
2022/03/15 00:45:38 ossec-monitord: INFO: Started (pid: 20049).
2022/03/15 00:45:42 ossec-syscheckd: INFO: Started (pid: 20046).
2022/03/15 00:45:42 ossec-rootcheck: INFO: Started (pid: 20046).
2022/03/15 00:45:42 ossec-syscheckd: INFO: Monitoring directory: '/etc', with options perm | size | owner | group | md5sum | sha1sum.
2022/03/15 00:45:42 ossec-syscheckd: INFO: Monitoring directory: '/usr/bin', with options perm | size | owner | group | md5sum | sha1sum.
2022/03/15 00:45:42 ossec-syscheckd: INFO: Monitoring directory: '/usr/sbin', with options perm | size | owner | group | md5sum | sha1sum.
2022/03/15 00:45:42 ossec-syscheckd: INFO: Monitoring directory: '/bin', with options perm | size | owner | group | md5sum | sha1sum.
2022/03/15 00:45:42 ossec-syscheckd: INFO: Monitoring directory: '/sbin', with options perm | size | owner | group | md5sum | sha1sum.
2022/03/15 00:45:42 ossec-syscheckd: INFO: Monitoring directory: '/boot', with options perm | size | owner | group | md5sum | sha1sum.
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/mtab'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/mnttab'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/hosts.deny'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/mail/statistics'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/random-seed'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/adjtime'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/httpd/logs'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/utmpx'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/wtmpx'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/cups/certs'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/dumpdates'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: '/etc/svc/volatile'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/System32/LogFiles'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/Debug'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/WindowsUpdate.log'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/iis6.log'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/system32/wbem/Logs'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/system32/wbem/Repository'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/Prefetch'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/PCHEALTH/HELPCTR/DataColl'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/SoftwareDistribution'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/Temp'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/system32/config'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/system32/spool'
2022/03/15 00:45:42 ossec-syscheckd: INFO: ignoring: 'C:\WINDOWS/system32/CatRoot'
2022/03/15 00:45:43 ossec-logcollector(1950): INFO: Analyzing file: '/var/log/messages'.
2022/03/15 00:45:43 ossec-logcollector(1950): INFO: Analyzing file: '/var/log/secure'.
2022/03/15 00:45:43 ossec-logcollector(1950): INFO: Analyzing file: '/var/log/maillog'.
2022/03/15 00:45:43 ossec-logcollector: INFO: Monitoring output of command(360): df -P
2022/03/15 00:45:43 ossec-logcollector: INFO: Monitoring full output of command(360): netstat -tan |grep LISTEN |egrep -v '(127.0.0.1| ::1)' | sort
2022/03/15 00:45:43 ossec-logcollector: INFO: Monitoring full output of command(360): last -n 5
2022/03/15 00:45:43 ossec-logcollector: INFO: Started (pid: 20033).
2022/03/15 00:45:43 ossec-analysisd(1210): ERROR: Queue '/queue/alerts/ar' not accessible: 'Connection refused'.
2022/03/15 00:45:43 ossec-analysisd(1301): ERROR: Unable to connect to active response queue.
2022/03/15 00:45:43 ossec-analysisd: INFO: Connected to '/queue/alerts/execq' (exec queue)
2022/03/15 00:46:44 ossec-syscheckd: INFO: Starting syscheck scan (forwarding database).
2022/03/15 00:46:44 ossec-syscheckd: INFO: Starting syscheck database (pre-scan).
2022/03/15 00:57:12 ossec-syscheckd: INFO: Finished creating syscheck database (pre-scan completed).
2022/03/15 00:57:24 ossec-syscheckd: INFO: Ending syscheck scan (forwarding database).
2022/03/15 00:57:44 rootcheck: INFO: Starting rootcheck scan.
2022/03/15 01:01:54 rootcheck: INFO: Ending rootcheck scan


uname -a
Linux ossec2 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb 23 16:47:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
-------end of ossec02---------



------------CONTENT OF AGENT01------------
/var/ossec/etc/ossec.conf
<ossec_config>
  <client>
    <server-ip>192.168.123.11</server-ip>
    <server-ip>192.168.123.12</server-ip>
    <notify_time>60</notify_time>
    <time-reconnect>180</time-reconnect>
    <config-profile></config-profile>
  </client>

  <syscheck>
    <!-- Frequency that syscheck is executed - default to every 22 hours -->
    <frequency>79200</frequency>

    <!-- Directories to check  (perform all possible verifications) -->
    <directories check_all="yes">/etc,/usr/bin,/usr/sbin</directories>
    <directories check_all="yes">/bin,/sbin,/boot</directories>

    <!-- Files/directories to ignore -->
    <ignore>/etc/mtab</ignore>
    <ignore>/etc/mnttab</ignore>
    <ignore>/etc/hosts.deny</ignore>
    <ignore>/etc/mail/statistics</ignore>
    <ignore>/etc/random-seed</ignore>
    <ignore>/etc/adjtime</ignore>
    <ignore>/etc/httpd/logs</ignore>
    <ignore>/etc/utmpx</ignore>
    <ignore>/etc/wtmpx</ignore>
    <ignore>/etc/cups/certs</ignore>
    <ignore>/etc/dumpdates</ignore>
    <ignore>/etc/svc/volatile</ignore>

    <!-- Windows files to ignore -->
    <ignore>C:\WINDOWS/System32/LogFiles</ignore>
    <ignore>C:\WINDOWS/Debug</ignore>
    <ignore>C:\WINDOWS/WindowsUpdate.log</ignore>
    <ignore>C:\WINDOWS/iis6.log</ignore>
    <ignore>C:\WINDOWS/system32/wbem/Logs</ignore>
    <ignore>C:\WINDOWS/system32/wbem/Repository</ignore>
    <ignore>C:\WINDOWS/Prefetch</ignore>
    <ignore>C:\WINDOWS/PCHEALTH/HELPCTR/DataColl</ignore>
    <ignore>C:\WINDOWS/SoftwareDistribution</ignore>
    <ignore>C:\WINDOWS/Temp</ignore>
    <ignore>C:\WINDOWS/system32/config</ignore>
    <ignore>C:\WINDOWS/system32/spool</ignore>
    <ignore>C:\WINDOWS/system32/CatRoot</ignore>
  </syscheck>

  <rootcheck>
    <rootkit_files>/var/ossec/etc/shared/rootkit_files.txt</rootkit_files>
    <rootkit_trojans>/var/ossec/etc/shared/rootkit_trojans.txt</rootkit_trojans>
    <system_audit>/var/ossec/etc/shared/system_audit_rcl.txt</system_audit>
    <system_audit>/var/ossec/etc/shared/cis_debian_linux_rcl.txt</system_audit>
    <system_audit>/var/ossec/etc/shared/cis_rhel_linux_rcl.txt</system_audit>
    <system_audit>/var/ossec/etc/shared/cis_rhel5_linux_rcl.txt</system_audit>
  </rootcheck>
  <!-- Files to monitor (localfiles) -->

  <localfile>
    <log_format>syslog</log_format>
    <location>/var/log/messages</location>
  </localfile>

  <localfile>
    <log_format>syslog</log_format>
    <location>/var/log/secure</location>
  </localfile>

  <localfile>
    <log_format>syslog</log_format>
    <location>/var/log/maillog</location>
  </localfile>

  <localfile>
    <log_format>command</log_format>
    <command>df -P</command>
  </localfile>

  <localfile>
    <log_format>full_command</log_format>
    <command>netstat -tan |grep LISTEN |egrep -v '(127.0.0.1| ::1)' | sort</command>
  </localfile>

  <localfile>
    <log_format>full_command</log_format>
    <command>last -n 5</command>
  </localfile>

/var/ossec/logs/ossec.log
2022/03/15 01:03:17 ossec-agentd(4101): WARN: Waiting for server reply (not started). Tried: '192.168.123.11'.
2022/03/15 01:03:17 ossec-agentd: INFO: Trying next server in the line: '192.168.123.12'.
2022/03/15 01:03:18 ossec-agentd: INFO: Closing connection to server 192.168.123.12, port 1514.
2022/03/15 01:03:18 ossec-agentd: INFO: Trying to connect to server 192.168.123.12, port 1514.
2022/03/15 01:03:18 INFO: Connected to 192.168.123.11 at address 192.168.123.11, port 1514
2022/03/15 01:03:18 ossec-agentd: DEBUG: agt->sock: 51
2022/03/15 01:04:45 ossec-agentd(4101): WARN: Waiting for server reply (not started). Tried: '192.168.123.12'.
2022/03/15 01:04:45 ossec-agentd: INFO: Trying next server in the line: '192.168.123.11'.
2022/03/15 01:04:46 ossec-agentd: INFO: Closing connection to server 192.168.123.11, port 1514.
2022/03/15 01:04:46 ossec-agentd: INFO: Trying to connect to server 192.168.123.11, port 1514.
2022/03/15 01:04:46 INFO: Connected to 192.168.123.11 at address 192.168.123.11, port 1514
2022/03/15 01:04:46 ossec-agentd: DEBUG: agt->sock: 54
2022/03/15 01:06:18 ossec-agentd(4101): WARN: Waiting for server reply (not started). Tried: '192.168.123.11'.
2022/03/15 01:06:18 ossec-agentd: INFO: Trying next server in the line: '192.168.123.12'.
2022/03/15 01:06:19 ossec-agentd: INFO: Closing connection to server 192.168.123.12, port 1514.
2022/03/15 01:06:19 ossec-agentd: INFO: Trying to connect to server 192.168.123.12, port 1514.
2022/03/15 01:06:19 INFO: Connected to 192.168.123.11 at address 192.168.123.11, port 1514
2022/03/15 01:06:19 ossec-agentd: DEBUG: agt->sock: 57
2022/03/15 01:07:56 ossec-agentd(4101): WARN: Waiting for server reply (not started). Tried: '192.168.123.12'.
2022/03/15 01:07:56 ossec-agentd: INFO: Trying next server in the line: '192.168.123.11'.
2022/03/15 01:07:57 ossec-agentd: INFO: Closing connection to server 192.168.123.11, port 1514.
2022/03/15 01:07:57 ossec-agentd: INFO: Trying to connect to server 192.168.123.11, port 1514.
2022/03/15 01:07:57 INFO: Connected to 192.168.123.11 at address 192.168.123.11, port 1514
2022/03/15 01:07:57 ossec-agentd: DEBUG: agt->sock: 60
2022/03/15 01:09:39 ossec-agentd(4101): WARN: Waiting for server reply (not started). Tried: '192.168.123.11'.
2022/03/15 01:09:39 ossec-agentd: INFO: Trying next server in the line: '192.168.123.12'.
2022/03/15 01:09:40 ossec-agentd: INFO: Closing connection to server 192.168.123.12, port 1514.
2022/03/15 01:09:40 ossec-agentd: INFO: Trying to connect to server 192.168.123.12, port 1514.
2022/03/15 01:09:40 INFO: Connected to 192.168.123.11 at address 192.168.123.11, port 1514
2022/03/15 01:09:40 ossec-agentd: DEBUG: agt->sock: 63
2022/03/15 01:11:07 ossec-agentd(4102): INFO: Connected to server 192.168.123.12, port 1514.
2022/03/15 01:11:08 ossec-logcollector: INFO: Lock free. Continuing...
2022/03/15 01:11:11 ossec-syscheckd: INFO: Lock free. Continuing...
2022/03/15 01:11:11 ossec-syscheckd: INFO: Starting syscheck database (pre-scan).
2022/03/15 01:14:08 ossec-agentd: WARN: Server unavailable. Setting lock.
2022/03/15 01:14:08 ossec-agentd(4102): INFO: Connected to server 192.168.123.12, port 1514.
2022/03/15 01:14:08 ossec-agentd: INFO: Server responded. Releasing lock.

uname -a
Linux agent01 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb 23 16:47:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
--------end of agent01--------

--
Nguyễn Hoàng Phú (Mr. )
   Sinh viên ĐH FPT
Mobile: 0797 301 425


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