Comments embedded below:
On 8/17/12 1:27 PM, dan (ddp) wrote:
> On Fri, Aug 17, 2012 at 1:20 PM, Adriel Desautels
> <[email protected]> wrote:
>> Dan,
>>
>> Not only have I stopped and restarted but I even reinstalled OSSEC.
>>
> Try removing the secure remote option.
I've tried that, the error goes away and then none of the agents seem to
be able to communicate back to the server. But, I also see no evidence
that logs are coming in. Thoughts?
>
>> What specifically do you want to know about the machine / server?
>>
> Seriously? You couldn't just throw some information in the email? Forget it.
Wow, I was only trying to be helpful by not bombarding you with useless
information. The current system is a debian squeeze box, but there are
a billion things I could tell you. Is there anything specific you need
/ want?
>> On 8/17/12 11:24 AM, dan (ddp) wrote:
>>> On Fri, Aug 17, 2012 at 10:12 AM, Adriel Desautels
>>> <[email protected]> wrote:
>>>> Here it is:
>>>>
>>>> root@bos-ossec01:/var/ossec/etc# cat ossec.conf
>>>> <ossec_config>
>>>> <global>
>>>> <email_notification>yes</email_notification>
>>>> <email_to>[email protected]</email_to>
>>>> <smtp_server>xx.xx.xx.xx</smtp_server>
>>>> <email_from>[email protected]</email_from>
>>>> </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>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>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>bro-ids_rules.xml</include>
>>>> <include>dropbear_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</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>
>>>>
>>>> <global>
>>>> <white_list>127.0.0.1</white_list>
>>>> <white_list>^localhost.localdomain$</white_list>
>>>> <white_list>10.5.4.1</white_list>
>>>> </global>
>>>>
>>>> <remote>
>>>> <connection>syslog</connection>
>>>> <allowed-ips>10.5.4.1</allowed-ips>
>>>> </remote>
>>>>
>>>> <remote>
>>>> <connection>secure</connection>
>>>> </remote>
>>>>
>>>> <alerts>
>>>> <log_alert_level>1</log_alert_level>
>>>> <email_alert_level>7</email_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/auth.log</location>
>>>> </localfile>
>>>>
>>>> <localfile>
>>>> <log_format>syslog</log_format>
>>>> <location>/var/log/syslog</location>
>>>> </localfile>
>>>>
>>>> <localfile>
>>>> <log_format>syslog</log_format>
>>>> <location>/var/log/mail.info</location>
>>>> </localfile>
>>>>
>>>> <localfile>
>>>> <log_format>syslog</log_format>
>>>> <location>/var/log/dpkg.log</location>
>>>> </localfile>
>>>> </ossec_config>
>>>>
>>>>
>>>> On 8/17/12 8:34 AM, dan (ddp) wrote:
>>>>> On Thu, Aug 16, 2012 at 9:25 PM, Adriel Desautels
>>>>> <[email protected]> wrote:
>>>>>> I have the following in ossec.conf:
>>>>>>
>>>>>> .
>>>>>> .
>>>>>> .
>>>>>> <remote>
>>>>>> <connection>syslog</connection>
>>>>>> <allowed-ips>10.5.4.1</allowed-ips>
>>>>>> <port>514</port>
>>>>>> </remote>
>>>>>>
>>>>>> <remote>
>>>>>> <connection>secure</connection>
>>>>>> </remote>
>>>>>> .
>>>>>> .
>>>>>> .
>>>>>>
>>>>>> And yet when 10.5.4.1 sends a message to the OSSEC server I get this:
>>>>>>
>>>>>> WARN: Message from 10.5.4.1 not allowed.
>>>>>>
>>>>>>
>>>>>> Am I missing something?
>>>>>>
>>>>>> And yes... I've restarted the server.
>>>>> Please provide your entire ossec.conf.
>>> I've been unable to reproduce this issue. Stop the OSSEC processes,
>>> and make sure they've stopped. Then start them up again. See if that
>>> fixes it.
>>>
>>> Also, can you provide more information about the OSSEC server?
>>
