On Mon, Nov 25, 2013 at 12:37 PM, Gonzalo Sanchez <[email protected]> wrote: > Hi, > > I added next lines on /var/ossec/ossec-agent/etc/ossec.conf on Server A > (hybrid mode): > > > <localfile> > <log_format>ossecalert</log_format> > <location>/var/ossec/logs/alerts/alerts.log</location> > </localfile> > > And I restarted ossec with ossec-control > Right > > Checking the /var/ossec/logs/ossec.log on server A, I detect the following > log: > > 2013/11/25 18:24:22 ossec-logcollector (1950): INFO: Analyzing file: > '/var/ossec/logs/alerts/alerts.log' > > > Well, at this time, the PC User's ossec events sends to Server A, and Server > A forwards to Server B > > But after a few minutes, the following log appears in > /var/ossec/logs/ossec.log on Server A: > > > 2013/11/25 18:30:53 ossec-logcollector (1904): INFO: File not available, > ignoring it: '/var/ossec/logs/alerts/alerts.log' > > Then PC User'Ossec events sends to Server A, but not forwarded to Server B. > > It's strange because the file /var/ossec/logs/alerts/alerts.log exists on > that path. > > Any idea? >
Check permissions. Make sure something like SELinux isn't getting in the way. > thanks > > > El lunes, 25 de noviembre de 2013 14:32:49 UTC+1, dan (ddpbsd) escribió: >> >> On Mon, Nov 25, 2013 at 8:28 AM, Gonzalo Sanchez >> <[email protected]> wrote: >> > I don't understand you. >> > >> > Can you put here configuration's changes? >> >> Add a localfile entry for /var/ossec/logs/alerts/alerts/log. The log >> format should be ossecalert. >> >> > What files should I change? >> > >> >> /var/ossec/ossec-agent/etc/ossec.conf (I think, I don't have a hybrid >> system handy at the moment) >> >> > /var/ossec/etc/ossec.conf o /var/ossec/ossec-agent/etc/ossec.conf ? >> > >> >> /var/ossec/ossec-agent/etc/ossec.conf (I think, I don't have a hybrid >> system handy at the moment) >> >> > Thabks a lot >> > >> > El lunes, 25 de noviembre de 2013 14:16:10 UTC+1, dan (ddpbsd) escribió: >> >> >> >> On Mon, Nov 25, 2013 at 6:56 AM, Gonzalo Sanchez >> >> <[email protected]> wrote: >> >> > Hi, >> >> > >> >> > This is server A's configuration: >> >> > >> >> > /var/ossec/etc/ossec.conf >> >> > >> >> > <ossec_config> >> >> > <global> >> >> > <email_notification>no</email_notification> >> >> > </global> >> >> > >> >> > <remote> >> >> > <connection>secure</connection> >> >> > </remote> >> >> > >> >> > <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>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> >> >> > >> >> > <active-response> >> >> > <disabled>yes</disabled> >> >> > </active-response> >> >> > >> >> > >> >> > <alerts> >> >> > <log_alert_level>1</log_alert_level> >> >> > </alerts> >> >> > <!-- 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>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> >> >> > </ossec_config> >> >> > >> >> >> >> I believe you need a localfile looking at >> >> /var/ossec/logs/alerts/alerts.log. Try the ossecalert format. >> >> >> >> >> >> > >> >> > /var/ossec/ossec-agent/etc/ossec.conf >> >> > >> >> > <ossec_config> >> >> > <client> >> >> > <server-ip>192.168.1.211</server-ip> >> >> > </client> >> >> > >> >> > >> >> > <rootcheck> >> >> > <disabled>yes</disabled> >> >> > </rootcheck> >> >> > >> >> > <active-response> >> >> > <disabled>yes</disabled> >> >> > </active-response> >> >> > >> >> > >> >> > <localfile> >> >> > <log_format>ossecalert</log_format> >> >> > <location>/var/ossec/logs/alerts/alerts.log</location> >> >> > </localfile> >> >> > >> >> > </ossec_config> >> >> > >> >> > >> >> > Do you need more info? >> >> > >> >> > thanks a lot >> >> > >> >> > El viernes, 22 de noviembre de 2013 14:07:47 UTC+1, dan (ddpbsd) >> >> > escribió: >> >> >> >> >> >> On Fri, Nov 22, 2013 at 8:04 AM, Gonzalo Sanchez >> >> >> <[email protected]> wrote: >> >> >> > >> >> >> >>> I solved this problem by modifying the file >> >> >> >>> /var/ossec/bin/ossec-control >> >> >> >>> on >> >> >> >>> Server A >> >> >> >>> >> >> >> >>> Right. >> >> >> >>> >> >> >> > >> >> >> >>What did you change? >> >> >> > >> >> >> > On Server A, file /var/ossec/bin/ossec-control I modified next >> >> >> > lines: >> >> >> > >> >> >> > DAEMONS="ossec-monitord ossec-logcollector ossec-remoted >> >> >> > ossec-syscheckd >> >> >> > ossec-analysisd ossec-maild ossec-execd ${DB_DAEMON} >> >> >> > ${CSYSLOG_DAEMON} >> >> >> > ${AGENTLESS_DAEMON}" >> >> >> > >> >> >> > SDAEMONS="${DB_DAEMON} ${CSYSLOG_DAEMON} ${AGENTLESS_DAEMON} >> >> >> > ossec-maild >> >> >> > ossec-execd ossec-analysisd ossec-logcollector ossec-syscheckd >> >> >> > ossec-monitord ossec-remoted" >> >> >> > >> >> >> > And on file /var/ossec/etc/ossec.conf I added next lines: >> >> >> > >> >> >> > <remote> >> >> >> > <connection>secure</connection> >> >> >> > </remote> >> >> >> > >> >> >> >> >> >> >> >> >> Thanks. I think I see an easy fix for this in the installation. >> >> >> >> >> >> >>I'm going to go out on a limb and guess that Server A isn't >> >> >> >> monitoring >> >> >> >>its /var/ossec/logs/alerts/alerts.log, but it's hard to be sure >> >> >> >>without any real information. >> >> >> > >> >> >> > What information do you need? >> >> >> >> >> >> Configurations, especially server a's. >> >> >> >> >> >> > Can you explain how to solve the problem? >> >> >> > >> >> >> >> >> >> Probably, but I'll have to find out exactly what it is first. >> >> >> >> >> >> > Thanks a lot >> >> >> > >> >> >> > El viernes, 22 de noviembre de 2013 13:55:23 UTC+1, dan (ddpbsd) >> >> >> > escribió: >> >> >> >> >> >> >> >> On Fri, Nov 22, 2013 at 7:41 AM, Gonzalo Sanchez >> >> >> >> <[email protected]> wrote: >> >> >> >> > Hi all, >> >> >> >> > >> >> >> >> > A few days ago I installed OSSEC in Hybrid mode on a server. >> >> >> >> > >> >> >> >> > The scheme is as follows : >> >> >> >> > >> >> >> >> > >> >> >> >> > PC User ---------- Server A ------------ Server B >> >> >> >> > >> >> >> >> > On PC User I installed OSSEC in Agent mode. >> >> >> >> > On Server A I installed OSSEC in Hybrid mode. >> >> >> >> > On Server B I installed OSSEC in Server mode. >> >> >> >> > >> >> >> >> > Right. >> >> >> >> > >> >> >> >> > The first thing I detected was that in Server B appeares Server >> >> >> >> > A >> >> >> >> > as >> >> >> >> > Active >> >> >> >> > . This confirms that the Agent Server A part works . >> >> >> >> > >> >> >> >> > Later detected that PC User NOT appears as Active on Server A. >> >> >> >> > This >> >> >> >> > problem >> >> >> >> > occurs because ossec-remoted service NOT starts. >> >> >> >> > Why? >> >> >> >> > Because installing OSSEC in Hybrid mode , install OSSEC TWICE: >> >> >> >> > >> >> >> >> > - Agent Mode >> >> >> >> > - Local Mode >> >> >> >> > >> >> >> >> >> >> >> >> It should have installed server mode, not local. >> >> >> >> >> >> >> >> > In Local mode , ossec-remoted NO starts. Therefore, no agent >> >> >> >> > can >> >> >> >> > connect >> >> >> >> > to >> >> >> >> > Server A. >> >> >> >> > >> >> >> >> > Right. >> >> >> >> > >> >> >> >> > I solved this problem by modifying the file >> >> >> >> > /var/ossec/bin/ossec-control on >> >> >> >> > Server A >> >> >> >> > >> >> >> >> > Right. >> >> >> >> > >> >> >> >> >> >> >> >> What did you change? >> >> >> >> >> >> >> >> > Now , PC User appears as Active on Server A and sends events to >> >> >> >> > /var/ossec/logs/alerts/alerts.log on Server A. >> >> >> >> > >> >> >> >> > Now the 2nd problem occurs. >> >> >> >> > >> >> >> >> > The events sent to Server A PC User and stored in >> >> >> >> > /var/ossec/logs/alerts.log >> >> >> >> > NOT FORWARDED to Server B. >> >> >> >> > >> >> >> >> > If I check the file /var/ossec/logs/alerts/alerts.logs on >> >> >> >> > Server >> >> >> >> > A, >> >> >> >> > PC >> >> >> >> > Userv >> >> >> >> > events NOT APPEARS , only appears Server A events sended ny >> >> >> >> > Server >> >> >> >> > A >> >> >> >> > Agent. >> >> >> >> > >> >> >> >> >> >> >> >> I'm going to go out on a limb and guess that Server A isn't >> >> >> >> monitoring >> >> >> >> its /var/ossec/logs/alerts/alerts.log, but it's hard to be sure >> >> >> >> without any real information. >> >> >> >> >> >> >> >> > Does this make sense ? >> >> >> >> > >> >> >> >> >> >> >> >> Mostly. >> >> >> >> >> >> >> >> > Does this have a solution? >> >> >> >> > >> >> >> >> >> >> >> >> Probably. >> >> >> >> >> >> >> >> > If not, then the Hybrid mode is totally useless. >> >> >> >> > >> >> >> >> > Any idea? >> >> >> >> > >> >> >> >> >> >> >> >> A few. >> >> >> >> >> >> >> >> > Thanks >> >> >> >> > >> >> >> >> > -- >> >> >> >> > >> >> >> >> > --- >> >> >> >> > You received this message because you are subscribed to the >> >> >> >> > Google >> >> >> >> > Groups >> >> >> >> > "ossec-list" group. >> >> >> >> > To unsubscribe from this group and stop receiving emails from >> >> >> >> > it, >> >> >> >> > send >> >> >> >> > an >> >> >> >> > email to [email protected]. >> >> >> >> > For more options, visit >> >> >> >> > https://groups.google.com/groups/opt_out. >> >> >> > >> >> >> > -- >> >> >> > >> >> >> > --- >> >> >> > You received this message because you are subscribed to the Google >> >> >> > Groups >> >> >> > "ossec-list" group. >> >> >> > To unsubscribe from this group and stop receiving emails from it, >> >> >> > send >> >> >> > an >> >> >> > email to [email protected]. >> >> >> > For more options, visit https://groups.google.com/groups/opt_out. >> >> > >> >> > -- >> >> > >> >> > --- >> >> > You received this message because you are subscribed to the Google >> >> > Groups >> >> > "ossec-list" group. >> >> > To unsubscribe from this group and stop receiving emails from it, >> >> > send >> >> > an >> >> > email to [email protected]. >> >> > For more options, visit https://groups.google.com/groups/opt_out. >> > >> > -- >> > >> > --- >> > You received this message because you are subscribed to the Google >> > Groups >> > "ossec-list" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> > an >> > email to [email protected]. >> > For more options, visit https://groups.google.com/groups/opt_out. > > -- > > --- > You received this message because you are subscribed to the Google Groups > "ossec-list" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- --- You received this message because you are subscribed to the Google Groups "ossec-list" group. 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