On Fri, Oct 12, 2012 at 10:14 AM, kay kay <[email protected]> wrote: > I can't find any 'merged' logs in /var/ossec/logs/ossec.log > Is there any option for ossec-server I should change? >
I only turned on debugging on the server: /var/ossec/bin/ossec-control enable debug && /var/ossec/bin/ossec-control restart > Also the last modification date of merged.mg is: > -bash-3.2# ls -la /var/ossec/etc/shared/merged.mg > -rw-r--r-- 1 ossec ossec 74572 Jun 25 16:00 /var/ossec/etc/shared/merged.mg > > The last modification date of agent.conf is: > -bash-3.2# ls -la /var/ossec/etc/shared/agent.conf > -rw-r--r-- 1 ossec ossec 146 Oct 12 17:06 /var/ossec/etc/shared/agent.conf > Try deleting the contents of those files before restarting the processes (first on the server, then the agent): cat /dev/null > /var/ossec/etc/shared/merged.mg ; cat /dev/null > /var/ossec/etc/shared/agent.conf > пятница, 12 октября 2012 г., 18:07:22 UTC+4 пользователь dan (ddpbsd) > написал: >> >> On Fri, Oct 12, 2012 at 10:02 AM, kay kay <[email protected]> wrote: >> > I have just enabled detailed debug log (level 2) but can't find any logs >> > for >> > "shared" or "agent.conf" >> > Could you please explain what should look for ? >> > >> >> On the server I changed my agent.conf, restarted the server processes. >> Then restarted the agent's ossec processes and saw the following in >> the server's ossec.log: >> >> 2012/10/12 10:05:13 ossec-remoted: DEBUG Sending file 'merged.mg' to >> agent. >> >> The merged.mg file is a few config files merged together. They get >> split on the agent side. After seeing this message I waited a minute, >> and checked the md5 of the agent.conf. It matched the new agent.conf >> on the server. >> >> > пятница, 12 октября 2012 г., 17:49:05 UTC+4 пользователь dan (ddpbsd) >> > написал: >> >> >> >> On Fri, Oct 12, 2012 at 9:24 AM, kay kay <[email protected]> wrote: >> >> >> I thought nginx had its own format? >> >> > >> >> > It works great on ossec-server. >> >> > >> >> >> /var/ossec/etc/ossec.conf and /var/ossec/etc/shared/agent.conf are >> >> >> valid. I am not familiar with ossec-agent.conf. >> >> > >> >> > /var/ossec/etc/ossec.conf is a symlink to >> >> > /var/ossec/etc/ossec-agent.conf on >> >> > ossec agents. >> >> > >> >> >> >> Not on any ossec agent I have, but it doesn't really matter. >> >> >> >> >> How long did you wait? It can take a while for the transfer to >> >> >> complete. >> >> > >> >> > About 4 hours already. >> >> > >> >> > I even can't find any logs related to agent.conf pushing. >> >> > >> >> >> >> Restarting the ossec processes in debug mode might produce some logs >> >> about >> >> it. >> >> >> >> I'd try touching agent.conf and making sure the permissions are >> >> correct. This works for me: >> >> >> >> [ddp@junction] :; ls -l /var/ossec/etc/shared/agent.conf >> >> -rw-r--r-- 1 ossec ossec 10908 Aug 16 11:52 >> >> /var/ossec/etc/shared/agent.conf >> >> >> >> >> >> > пятница, 12 октября 2012 г., 17:18:36 UTC+4 пользователь dan (ddpbsd) >> >> > написал: >> >> >> >> >> >> On Fri, Oct 12, 2012 at 9:15 AM, kay kay <[email protected]> wrote: >> >> >> > Dear Dan >> >> >> > >> >> >> >> What did you set in the agent.conf file? >> >> >> > >> >> >> > here is my /var/ossec/etc/shared/agent.conf: >> >> >> > >> >> >> > <agent_config> >> >> >> > <localfile> >> >> >> > <log_format>apache</log_format> >> >> >> >> >> >> I thought nginx had its own format? >> >> >> >> >> >> > <location>/var/log/nginx/error_log</location> >> >> >> > </localfile> >> >> >> > </agent_config> >> >> >> > >> >> >> >> Did the agent.conf file get transferred from the server to the >> >> >> >> agents? >> >> >> > >> >> >> > No, it didn't. I checked /var/ossec/etc/ossec-agent.conf, >> >> >> > /var/ossec/etc/ossec.conf (symlink to ossec-agent.conf) and >> >> >> > /var/ossec/etc/shared/ossec.conf >> >> >> > >> >> >> >> >> >> /var/ossec/etc/ossec.conf and /var/ossec/etc/shared/agent.conf are >> >> >> valid. I am not familiar with ossec-agent.conf. >> >> >> >> >> >> >> Did you restart the agent processes after the new agent.conf was >> >> >> >> transferred? >> >> >> > >> >> >> > agent.conf was not transferred but I tried to reatsrt it anyway. >> >> >> > >> >> >> >> >> >> How long did you wait? It can take a while for the transfer to >> >> >> complete. >> >> >> >> >> >> >> Why do you think it isn't working? >> >> >> > >> >> >> > Modification time of *.conf files on agents is not changed. And >> >> >> > conf >> >> >> > files >> >> >> > actually doesn't contain: >> >> >> > <location>/var/log/nginx/error_log</location> >> >> >> > >> >> >> > >> >> >> > пятница, 12 октября 2012 г., 16:35:27 UTC+4 пользователь dan >> >> >> > (ddpbsd) >> >> >> > написал: >> >> >> >> >> >> >> >> On Fri, Oct 12, 2012 at 7:37 AM, kay kay <[email protected]> >> >> >> >> wrote: >> >> >> >> > I tried to follow the >> >> >> >> > http://www.ossec.net/doc/manual/agent/agent-configuration.html >> >> >> >> > manual >> >> >> >> > but >> >> >> >> > agents doesn't get the configuration from shared directory >> >> >> >> > (/var/ossec/etc/shared directory on server). >> >> >> >> > >> >> >> >> >> >> >> >> Please use specifics. What did you set in the agent.conf file? >> >> >> >> Did >> >> >> >> the >> >> >> >> agent.conf file get transferred from the server to the agents? >> >> >> >> Did >> >> >> >> you >> >> >> >> restart the agent processes after the new agent.conf was >> >> >> >> transferred? >> >> >> >> Why do you think it isn't working? >> >> >> >> >> >> >> >> > пятница, 12 октября 2012 г., 10:46:38 UTC+4 пользователь kay >> >> >> >> > kay >> >> >> >> > написал: >> >> >> >> >> >> >> >> >> >> At the moment I use syslog-ng to collect logs from whole >> >> >> >> >> servers >> >> >> >> >> and >> >> >> >> >> analyze them on ossec-server with decoders and rules. >> >> >> >> >> >> >> >> >> >> How can I configure ossec-server to avoid log collecting with >> >> >> >> >> syslog-ng? >> >> >> >> >> >> >> >> >> >> I.e. I have two servers (ossec-agents) with nginx. I need to >> >> >> >> >> analyze >> >> >> >> >> nginx >> >> >> >> >> logs. Should I configure decoder and rule on each ossec-agents >> >> >> >> >> or >> >> >> >> >> I >> >> >> >> >> can >> >> >> >> >> create one decoder and one rule on ossec-server and it will be >> >> >> >> >> automatically >> >> >> >> >> pushed to ossec-agents? >> >> >> >> >> >> >> >
