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RSA Reporting - Output query

Question asked by Paul Mathews on Sep 6, 2016
Latest reply on Sep 6, 2016 by Jay Guillette

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Hi,

I have a report for senior management that details all access attempts - they have asked if the below can be explained.

Why is the first entry a success, but then followed by many failures, then another success?

Many thanks.

01/08/2016 22:28	ddh	Success	Authentication method success
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Success	Attempt successful
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:28	ddh	Failure	Authentication method failed
01/08/2016 22:28	ddh	Success	Attempt successful
01/08/2016 22:28	ddh	Failure	Principal locked out
01/08/2016 22:28	ddh	Failure	Principal locked out
01/08/2016 22:28	ddh	Failure	Principal locked out
01/08/2016 22:29	ddh	Failure	Principal locked out
01/08/2016 22:30	ddh	Failure	Principal locked out
01/08/2016 22:31	ddh	Failure	Principal locked out
01/08/2016 22:55	ddh	Failure	Authentication method failed	Alias: ""	AUTHN_METHOD_FAILED	Authentication attempted	ERROR
01/08/2016 22:55	ddh	Failure	Authentication method failed	ERROR
01/08/2016 22:55	ddh	Failure	Authentication method failed
01/08/2016 22:57	ddh	Success	Authentication succeeded in next tokencode mode

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Hussein El Baz

Sep 6, 2016 7:23 AM

Hello Paul,

We need to check further that matter before knowing the exact problem that you are facing. It might be a lot of things that causing that problem.

1) The agent is sending duplicate replies to the server

2) The server is sending duplicate replies

3) Network problem that cause the packets to be duplicated

4) The user is typing the passcode more than once on the agent

To confirm which of the above is the problem we to take a packet capture on the agent and on the authentication manager server to confirm where is the problem coming from exactly.

And also we need to get a full detailed authentication activity monitor to see the exact error or failure that the server is sending to the agent, to confirm whether the behavior from the server is correct or not.

So kindly check and advise us back if there is any assistance needed from our side.

Best Regards,

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Jay Guillette

Sep 6, 2016 10:53 AM

As Hussein pointed out, the TCPdump network packet capture will show more detail of what is going on. So could a log that showed the seconds as well as the minutes and hour, so that you could see if these failures were every 5 or every 10 seconds, as opposed to random. Also, the full log would show which AM server accepted the packet, and if a single agent was sending these or if some load balance agent was sending duplicate authentications. If the same Passcode was sent more than once, you should see PassCode re-use.

To get a network packet capture....

SSH to the Virtual Appliance with the operating system account rsaadmin.

sudo su -

<same password again> This makes you root

# cd /usr/sbin

./tcpdump -i eth0 -s 1514 -Z root port 5500 -w /tmp/auth.pcap This writes output to a file in /tmp and filters on port 5500 which is authentication – modify to 389 for LDAP, etc…

chmod 777 /tmp/auth.pcap This grants full permissions to everyone, makes it easy to copy file off with WinSCP

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2 Replies

Hussein El Baz Sep 6, 2016 7:23 AM
Mark Correct
Correct Answer
Hello Paul,

We need to check further that matter before knowing the exact problem that you are facing. It might be a lot of things that causing that problem.

1) The agent is sending duplicate replies to the server
2) The server is sending duplicate replies
3) Network problem that cause the packets to be duplicated
4) The user is typing the passcode more than once on the agent

To confirm which of the above is the problem we to take a packet capture on the agent and on the authentication manager server to confirm where is the problem coming from exactly.

And also we need to get a full detailed authentication activity monitor to see the exact error or failure that the server is sending to the agent, to confirm whether the behavior from the server is correct or not.

So kindly check and advise us back if there is any assistance needed from our side.

Best Regards,
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Jay Guillette Sep 6, 2016 10:53 AM
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Correct Answer
As Hussein pointed out, the TCPdump network packet capture will show more detail of what is going on. So could a log that showed the seconds as well as the minutes and hour, so that you could see if these failures were every 5 or every 10 seconds, as opposed to random. Also, the full log would show which AM server accepted the packet, and if a single agent was sending these or if some load balance agent was sending duplicate authentications. If the same Passcode was sent more than once, you should see PassCode re-use.
To get a network packet capture....
SSH to the Virtual Appliance with the operating system account rsaadmin.
                sudo su -
<same password again>                                               This makes you root
#             cd /usr/sbin

./tcpdump -i eth0 -s 1514 -Z root port 5500 -w /tmp/auth.pcap                                 This writes output to a file in /tmp and filters on port 5500 which is authentication – modify to 389 for LDAP, etc…

chmod 777 /tmp/auth.pcap                 This grants full permissions to everyone, makes it easy to copy file off with WinSCP
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RSA Reporting - Output query

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