Firewall box stop responding

[Leonardo Korndorfer]

Hi all!

I'm in a situation that is kinda hard to see what's happening. So I'm going
straight to the scenario:
I have a firewall box that somehow stops responding to all services such as
ssh and squid. It does answer ping.
Early this morning I was looking to the messages log with tail -f when it
just stop and then no responses again.

Does anyone have lived this situation?

Here goes an example of the normality of logs when it just stops:

/* regular log */
Jan 14 13:35:08 mercfw1 snmpd[2040]: Received SNMP packet(s) from UDP:
[192.168.0.13]:1660
Jan 14 13:35:08 mercfw1 snmpd[2040]: Connection from UDP:
[192.168.0.13]:1661
Jan 14 13:35:08 mercfw1 snmpd[2040]: Received SNMP packet(s) from UDP:
[192.168.0.13]:1661
Jan 14 13:35:08 mercfw1 snmpd[2040]: Connection from UDP:
[192.168.0.13]:1662
Jan 14 13:35:08 mercfw1 snmpd[2040]: Received SNMP packet(s) from UDP:
[192.168.0.13]:1662
Jan 14 13:35:08 mercfw1 snmpd[2040]: Connection from UDP:
[192.168.0.13]:1663
Jan 14 13:35:08 mercfw1 snmpd[2040]: Received SNMP packet(s) from UDP:
[192.168.0.13]:1663
Jan 14 13:35:08 mercfw1 snmpd[2040]: Connection from UDP:
[192.168.0.13]:1664
Jan 14 13:35:08 mercfw1 snmpd[2040]: Received SNMP packet(s) from UDP:
[192.168.0.13]:1664
Jan 14 13:35:08 mercfw1 snmpd[2040]: Connection from UDP:
[192.168.0.13]:1665
Jan 14 13:35:08 mercfw1 snmpd[2040]: Received SNMP packet(s) from UDP:
[192.168.0.13]:1665
Jan 14 13:35:06 mercfw1 named[1731]: client 127.0.0.1#38570: RFC 1918
response from Internet for 11.0.168.192.in-addr.arpa
/* forced shutdown and normal start log */
Jan 14 13:49:03 mercfw1 kernel: imklog 3.14.1, log source = /proc/kmsg
started.
Jan 14 13:49:03 mercfw1 kernel: Inspecting
/boot/System.map-2.6.25-14.fc9.i686
Jan 14 13:49:03 mercfw1 kernel: Loaded 28110 symbols from
/boot/System.map-2.6.25-14.fc9.i686.
Jan 14 13:49:03 mercfw1 kernel: Symbols match kernel version 2.6.25.
Jan 14 13:49:03 mercfw1 kernel: No module symbols loaded - kernel modules
not enabled.

The seconds before (13:35:06) are analogous. Nothing evil has happened.

Leonardo Richter Korndorfer

personal @ http://leokorndorfer.no-ip.org
http://counter.li.org #384363
ICQ: 102788426
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