Your commandline prompt indicates that this is not the same machine that you 
were talking about in the previous post. Please look at the situation on 
adr318, whatever that box is.

 

From: [email protected] [mailto:[email protected]] On 
Behalf Of Jamey B
Sent: Tuesday, December 15, 2015 7:06 AM
To: [email protected]
Subject: Re: [ossec-list] Clients authenticate, but don't connect (Corp env)

 

Hi lostinthetubez,

 

Yes, the client.keys file exists on the server and the client has the correct 
key. The permissions are as follows for /var/ossec/etc/:

 

root@ccisprlx11 # ls -la ../etc/

total 136

dr-xr-x---  3 root ossec  4096 Dec 14 17:23 .

dr-xr-x--- 13 root ossec  4096 Dec 14 16:59 ..

-r--r-----  1 root ossec    84 Dec 14 17:24 client.keys

-r--r-----  1 root ossec 97786 Jun 10  2015 decoder.xml

-r--r-----  1 root ossec  2842 Jun 10  2015 internal_options.conf

-r--r-----  1 root ossec  3519 May  4  2010 localtime

-r--r-----  1 root ossec  8360 Dec 14 16:59 ossec.conf

-rw-r-----  1 root root     88 Dec 14 16:59 ossec-init.conf

drwxrwx---  2 root ossec  4096 Dec 14 16:59 shared

 

 

 

Do you see anything odd with the permissions?

 

 

 

 

On Mon, Dec 14, 2015 at 4:28 PM, lostinthetubez <[email protected] 
<mailto:[email protected]> > wrote:

Looks like permissions or ownership are wrong on your client.keys file, which 
would certainly explain the agent not being able to connect. I assume you’ve 
checked that the client.keys file exists and contains the correct information 
for the agent you are using as an example here?

 

>> 2015/12/14 07:31:08 ossec-agentd(1103): ERROR: Unable to open file 
>> '/etc/client.keys'.

 

 

 

From: [email protected] <mailto:[email protected]>  
[mailto:[email protected] <mailto:[email protected]> ] On 
Behalf Of Jamey B
Sent: Monday, December 14, 2015 12:55 PM
To: [email protected] <mailto:[email protected]> 
Subject: Re: [ossec-list] Clients authenticate, but don't connect (Corp env)

 

Thanks for that, I think this is a bigger issue than I believed judging by the 
read out below from one of the agents not connecting. Do you think the command 
you provided will fix it? It seems the install or CONF file went wonky during 
the install, but the agent has been reinstalled multiple times.

 

 

 

 

root@adr318 # cat /var/ossec/logs/ossec.log

2015/12/14 07:30:51 ossec-authd: INFO: Started (pid: 3787).

2015/12/14 07:30:58 ossec-execd(1314): INFO: Shutdown received. Deleting 
responses.

2015/12/14 07:30:58 ossec-execd(1225): INFO: SIGNAL Received. Exit Cleaning...

2015/12/14 07:31:08 ossec-execd: INFO: Started (pid: 3875).

2015/12/14 07:31:08 ossec-agentd: INFO: Using notify time: 600 and max time to 
reconnect: 1800

2015/12/14 07:31:08 ossec-agentd(1410): INFO: Reading authentication keys file.

2015/12/14 07:31:08 ossec-agentd(1103): ERROR: Unable to open file 
'/etc/client.keys'.

2015/12/14 07:31:08 ossec-agentd(1750): ERROR: No remote connection configured. 
Exiting.

2015/12/14 07:31:08 ossec-logcollector(1103): ERROR: Unable to open file 
'/queue/ossec/.agent_info'.

2015/12/14 07:31:08 ossec-config(1756): ERROR: Duplicated directory given: 
'/etc'.

2015/12/14 07:31:08 ossec-config(1756): ERROR: Duplicated directory given: 
'/bin'.

2015/12/14 07:31:08 ossec-syscheckd(1103): ERROR: Unable to open file 
'/queue/ossec/.agent_info'.

2015/12/14 07:31:08 ossec-syscheckd(1103): ERROR: Unable to open file 
'/queue/ossec/.agent_info'.

2015/12/14 07:31:11 ossec-syscheckd(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 07:31:11 ossec-rootcheck(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 07:31:17 ossec-logcollector(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 07:31:17 ossec-logcollector(1211): ERROR: Unable to access queue: 
'/var/ossec/queue/ossec/queue'. Giving up..

2015/12/14 07:31:19 ossec-syscheckd(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 07:31:19 ossec-rootcheck(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 07:31:32 ossec-syscheckd(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 07:31:32 ossec-rootcheck(1211): ERROR: Unable to access queue: 
'/var/ossec/queue/ossec/queue'. Giving up..

2015/12/14 09:50:10 ossec-execd(1314): INFO: Shutdown received. Deleting 
responses.

2015/12/14 09:50:10 ossec-execd(1225): INFO: SIGNAL Received. Exit Cleaning...

2015/12/14 09:50:20 ossec-execd: INFO: Started (pid: 15169).

2015/12/14 09:50:20 ossec-agentd: INFO: Using notify time: 600 and max time to 
reconnect: 1800

2015/12/14 09:50:20 ossec-agentd(1410): INFO: Reading authentication keys file.

2015/12/14 09:50:20 ossec-agentd(1103): ERROR: Unable to open file 
'/etc/client.keys'.

2015/12/14 09:50:20 ossec-agentd(1750): ERROR: No remote connection configured. 
Exiting.

2015/12/14 09:50:20 ossec-logcollector(1103): ERROR: Unable to open file 
'/queue/ossec/.agent_info'.

2015/12/14 09:50:20 ossec-config(1756): ERROR: Duplicated directory given: 
'/etc'.

2015/12/14 09:50:20 ossec-config(1756): ERROR: Duplicated directory given: 
'/bin'.

2015/12/14 09:50:20 ossec-syscheckd(1103): ERROR: Unable to open file 
'/queue/ossec/.agent_info'.

2015/12/14 09:50:20 ossec-syscheckd(1103): ERROR: Unable to open file 
'/queue/ossec/.agent_info'.

2015/12/14 09:50:23 ossec-syscheckd(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 09:50:23 ossec-rootcheck(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 09:50:29 ossec-logcollector(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 09:50:29 ossec-logcollector(1211): ERROR: Unable to access queue: 
'/var/ossec/queue/ossec/queue'. Giving up..

2015/12/14 09:50:31 ossec-syscheckd(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 09:50:31 ossec-rootcheck(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 09:50:44 ossec-syscheckd(1210): ERROR: Queue 
'/var/ossec/queue/ossec/queue' not accessible: 'Connection refused'.

2015/12/14 09:50:44 ossec-rootcheck(1211): ERROR: Unable to access queue: 
'/var/ossec/queue/ossec/queue'. Giving up..

 

 

 

 

 

 

On Mon, Dec 14, 2015 at 2:41 PM, Santiago Bassett <[email protected] 
<mailto:[email protected]> > wrote:

Try disabling counters. They lose synchronization specially when agents are 
reinstalled.

 

Edit /var/ossec/etc/internal_options.conf and set "remoted.verify_msg_id=0"

 

Then restart ossec manager.

 

 

 

On Mon, Dec 14, 2015 at 9:43 AM, Jamey B <[email protected] 
<mailto:[email protected]> > wrote:

Hi everyone,

 

I'm in a corporate environment, the environment we are deploying OSSEC to has 
around 1000 servers (I did the manual install and increased the agent limit). 
The firewall is allowing all UDP and TCP ports to pass through for our 
deployment. No traffic is being blocked to/from the OSSEC manager.

 

We distributed OSSEC to an environment via Puppet and are able to get the 
agents to grab a client key over port 1515, but they are having issues 
connecting. A handful do eventually connect, but the majority don't, I don't 
see them come up in the OSSEC logs but they do appear as inactive agents. 

 

 

Any ideas as to why the majority of agents are not connecting, but do get their 
keys? 

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