Many security events have been identified - federation disabled error
We are getting lots of warnings in our event log for Event ID 14425:
Many security events have been identified by the proxy stack.
In the past 20 seconds, 30 security events have been identified by the proxy stack. A large number of security events could indicate that the server is under attack. The last event was:
$$begin_record
LogType: security
Text: All federation is disabled
Result-Code: 0xc3e93d74 SIPPROXY_E_EPROUTING_MSG_FEDERATION_DISABLED
SIP-Start-Line: SUBSCRIBE sip:[email protected] SIP/2.0
SIP-Call-ID: 819af7ce193e4deb8db8fd2f14a9df41
SIP-CSeq: 1 SUBSCRIBE
$$end_record
Cause: The server may be under attack, or there might be a configuration problem that is causing errors.
Resolution:
Launch the Lync Server 2010 Logging Tool. Select the "SIPStack" component, the "Errors" level and the TF_SECURITY flag. Review the events reported to the trace log using the "Analyze Log Files" feature of the logging tool.
So we did as the resolution states, and logged the traffic, and we are getting thousands of these types of messages:
TL_ERROR(TF_SECURITY) [0]05E8.00CC::01/05/2011-15:12:11.015.00000013 (SIPStack,SIPAdminLog::WriteSecurityEvent:SIPAdminLog.cpp(424))$$begin_record
LogType: security
Text: All federation is disabled
Result-Code: 0xc3e93d74 SIPPROXY_E_EPROUTING_MSG_FEDERATION_DISABLED
SIP-Start-Line: SUBSCRIBE sip:[email protected] SIP/2.0
SIP-Call-ID: 2249db6d65ac4a11ba9aea022e8fe17c
SIP-CSeq: 1 SUBSCRIBE
$$end_record
If we have Federation disabled, how do I keep all this traffic from hammering my edge server? What I am assuming it is trying to do is get the presence for every person in every email being sent or received (or read?)
Thanks,
Bob
If you're not going to leverage Lync federation and enable it for your environment, it's probably worth considering the removal of your public SRV record for federation for the sake of tidiness. They won't do you any harm providing that they are indeed genuine
subscription requests from foreign users.
Kind regards
Ben
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Similar Messages
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Many security events have been identified by the proxy stack.
On our Lync Edge servers I can see lots of warning events are getting generated every second. Any idea how to stop this events.
Log Name: Lync Server
Source: LS Protocol Stack
Date: 3/26/2014 5:40:43 AM
Event ID: 14425
Task Category: (1001)
Level: Warning
Keywords: Classic
User: N/A
Computer: servername
Description:
Many security events have been identified by the proxy stack.
In the past 55 seconds, 30 security events have been identified by the proxy stack. A large number of security events could indicate that the server is under attack. The last event was:
$$begin_record
LogType: security
Text: The connection from a remote user client is refused because remote user access is disabled
Result-Code: 0xc3e93d6d SIPPROXY_E_CONNECTION_EXTERNAL_INTERNET_ACCESS_DISABLED
Peer-IP: 192.168.10.1:50224
Peer: 192.168.10.1:50224
$$end_record
Cause: The server may be under attack, or there might be a configuration problem that is causing errors.
Resolution:
Launch the Lync Server 2010 Logging Tool. Select the "SIPStack" component, the "Errors" level and the TF_SECURITY flag. Review the events reported to the trace log using the "Analyze Log Files" feature of the logging tool.Hi,
What's your Edge NIC and certificate configuration? And the DNS SRV records?
It may happen because the Lync server does not pass the correct certification authority information back to the Lync client during the negotiation of the TLS connection.
You can refer to the part “Workaround” in the link below:
http://support.microsoft.com/kb/2464556
Best Regards,
Eason Huang
Eason Huang
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