I would like to also mention that i have been receiving this errors from my
linux agent :
2016/04/05 11:45:04 ossec-config: Remote commands are not accepted from the
manager. Ignoring it on the agent.conf
2016/04/05 11:45:04 ossec-config(1202): ERROR: Configuration error at
'/var/ossec/etc/shared/agent.conf'. Exiting.
Started ossec-logcollector...
2016/04/05 11:45:04 ossec-config(1756): ERROR: Duplicated directory given:
'/etc'.
2016/04/05 11:45:04 ossec-config(1756): ERROR: Duplicated directory given:
'/bin'.
Here is my file of Agent.conf
On Tuesday, April 5, 2016 at 9:21:18 AM UTC-4, Alexandre LAQUERRE wrote:
>
> Hi,
>
>
>
> I have been using Ossec for quite a while and we decided to upgrade the
> version (2.7.1) to 2.8.3 and that was relatively successful except for the
> fact that it pulled a number on my Ossec.conf by creating indent problems
> and adding open brackets in the wrong area but anyway it works. My issue is
> that for the moment our client will not update the OSSEC agents and wish to
> keep the 2.7.1 , I have not seen any documentation that would indicate a
> compatibility issue however I noticed that no matter what I do , the agents
> will end up disconnecting. They will start out all active and then after 20
> minutes or so they will all be disconnected except for a small minority.
>
>
>
> When I performed the install I have set the maximum number of agents to
> 4096 because the client has about … I would say close to 3000 agents,
> furthermore the installation did go well however I suspect that the
> agent.conf file in the shared folder got messed up due to this update being
> very significant. I have been working on this issue for at least three days
> and I am no longer certain where to look.
>
>
>
> I would like to specify that I have already tried to erase the RIDS while
> Ossec Is stop (server) and when I start it back up again the same issue
> occurs. Now I am hoping the solution will not be to erase the rids from the
> client as it would be a long process for our customer.
>
>
>
> Thank you,
>
>
>
> Alexandre Laquerre
>
> Analyste Sécurité
>
>
>
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<agent_config os="Windows">
<syscheck>
<!-- Frequency that syscheck is executed - default to every 22 hours -->
<frequency>72000</frequency>
<!-- Default files to be monitored - system32 only. -->
<directories check_all="yes">C:\Program
Files/SplunkUniversalForwarder/etc/system/local</directories>
<directories check_all="yes">%WINDIR%/win.ini</directories>
<directories check_all="yes">%WINDIR%/system.ini</directories>
<directories check_all="yes">C:\autoexec.bat</directories>
<directories check_all="yes">C:\config.sys</directories>
<directories check_all="yes">C:\boot.ini</directories>
<directories check_all="yes">%WINDIR%/System32/CONFIG.NT</directories>
<directories check_all="yes">%WINDIR%/System32/AUTOEXEC.NT</directories>
<directories check_all="yes">%WINDIR%/System32/at.exe</directories>
<directories check_all="yes">%WINDIR%/System32/attrib.exe</directories>
<directories check_all="yes">%WINDIR%/System32/cacls.exe</directories>
<directories check_all="yes">%WINDIR%/System32/debug.exe</directories>
<directories check_all="yes">%WINDIR%/System32/drwatson.exe</directories>
<directories check_all="yes">%WINDIR%/System32/drwtsn32.exe</directories>
<directories check_all="yes">%WINDIR%/System32/edlin.exe</directories>
<directories check_all="yes">%WINDIR%/System32/eventcreate.exe</directories>
<directories
check_all="yes">%WINDIR%/System32/eventtriggers.exe</directories>
<directories check_all="yes">%WINDIR%/System32/ftp.exe</directories>
<directories check_all="yes">%WINDIR%/System32/net.exe</directories>
<directories check_all="yes">%WINDIR%/System32/net1.exe</directories>
<directories check_all="yes">%WINDIR%/System32/netsh.exe</directories>
<directories check_all="yes">%WINDIR%/System32/rcp.exe</directories>
<directories check_all="yes">%WINDIR%/System32/reg.exe</directories>
<directories check_all="yes">%WINDIR%/regedit.exe</directories>
<directories check_all="yes">%WINDIR%/System32/regedt32.exe</directories>
<directories check_all="yes">%WINDIR%/System32/regsvr32.exe</directories>
<directories check_all="yes">%WINDIR%/System32/rexec.exe</directories>
<directories check_all="yes">%WINDIR%/System32/rsh.exe</directories>
<directories check_all="yes">%WINDIR%/System32/runas.exe</directories>
<directories check_all="yes">%WINDIR%/System32/sc.exe</directories>
<directories check_all="yes">%WINDIR%/System32/subst.exe</directories>
<directories check_all="yes">%WINDIR%/System32/telnet.exe</directories>
<directories check_all="yes">%WINDIR%/System32/tftp.exe</directories>
<directories check_all="yes">%WINDIR%/System32/tlntsvr.exe</directories>
<directories check_all="yes">%WINDIR%/System32/drivers/etc</directories>
<directories check_all="yes" realtime="yes">C:\Documents and Settings/All
Users/Start Menu/Programs/Startup</directories>
<directories check_all="yes" realtime="yes">C:\Users/Public/All
Users/Microsoft/Windows/Start Menu/Startup</directories>
<ignore type="sregex">.log$|.htm$|.jpg$|.png$|.chm$|.pnf$|.evtx$</ignore>
<!-- Windows registry entries to monitor. -->
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\batfile</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\cmdfile</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\comfile</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\exefile</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\piffile</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\AllFilesystemObjects</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\Directory</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\Folder</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Classes\Protocols</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Policies</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Security</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Internet
Explorer</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session
Manager\KnownDLLs</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\SecurePipeServers\winreg</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnceEx</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\URL</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows
NT\CurrentVersion\Windows</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon</windows_registry>
<windows_registry>HKEY_LOCAL_MACHINE\Software\Microsoft\Active
Setup\Installed Components</windows_registry>
<!-- Windows registry entries to ignore. -->
<registry_ignore>HKEY_LOCAL_MACHINE\Security\Policy\Secrets</registry_ignore>
<registry_ignore>HKEY_LOCAL_MACHINE\Security\SAM\Domains\Account\Users</registry_ignore>
<registry_ignore type="sregex">\Enum$</registry_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>
</agent_config>
<agent_config os="Linux">
<syscheck>
<!-- Frequency that syscheck is executed - default to every 22 hours -->
<frequency>72000</frequency>
<!-- Files to monitor (localfiles) -->
<!-- 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>
</syscheck>
<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 -h</command>
</localfile>
<localfile>
<log_format>full_command</log_format>
<command>netstat -tan |grep LISTEN |grep -v 127.0.0.1 | sort</command>
</localfile>
<localfile>
<log_format>full_command</log_format>
<command>last -n 5</command>
</localfile>
</agent_config>
<agent_config>
<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>
</agent_config>
