Pedro,

Awesome! Your method worked flawlessly. Thanks!

Cal

On Tuesday, August 2, 2016 at 8:51:59 PM UTC-4, Pedro S wrote:
>
> Hi Cal,
>
>
> Try disabling counters. They lose synchronisation specially when agents 
> are reinstalled.
> Edit /var/ossec/etc/internal_options.conf and set 
> "remoted.verify_msg_id=0", both agent & manager.
>
> Enable debug mode on both hosts, open internal_options and set debug to 
> level 2 (specially in remoted.debug variable).
>
> Sometimes the problem could be related with NAT, try adding the agent with 
> "any" option and test if it works (use manage_agent and when prompting for 
> IP enter "any").
>
> Open etc/client.keys on OSSEC Manager (be careful! this file is critical) 
> and remove duplicated entries, the agent will fail to connect if there is 
> more than one entry with the same IP.
>
> Hope it helps,
>
> best regards,
>
> Pedro S.
>
>
>
> On Tuesday, August 2, 2016 at 2:08:14 PM UTC-7, Cal wrote:
>>
>> Hi all,
>>
>> Been debugging an issue for a few hours, thought I'd ask for another 
>> opinion.
>>
>> The situation:
>> I have an OSSEC server with approximately 70 agents connected and 15 or 
>> so that won't connect.
>>
>> Tested so far:
>> Tcpdump shows UDP packets from both OSSEC agents and server (running on 
>> non-standard port 1520)
>> Traceroute from agent to server and other direction, no problem
>> Can ping the server from agent
>> Can ping the agent from server
>>
>> Ex:
>> server:
>> 15:51:00.135367 IP 172.28.156.XX.60625 > 172.28.29.XX.1520: UDP, length 73
>>
>> agent:
>> 15:51:00.135916 IP 172.28.156.XX.60625 > 172.28.29.XX.1520: UDP, length 73
>>
>> I've tried re-adding the keys to agents several times. Enabled debugging 
>> on server, but only noted logs are from the agent:
>> 2016/08/02 15:56:39 ossec-agentd: INFO: Trying to connect to server 
>> (172.28.29.XX:1520).
>> 2016/08/02 15:56:39 ossec-agentd: INFO: Using IPv4 for: 172.28.29.XX
>>
>> Any ideas where to look next? I've also tried removing the agents, 
>> re-adding, re-installing, etc.
>>
>> Thank you!
>>
>

-- 

--- 
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 ossec-list+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to