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1 29th February 02:31
itadmin
External User
 
Posts: 1
Default Event ID 5504


Hello,

We have just recently started seeing the following
repeated log entries on AD DNS servers (ie not public).
They are also DC's. Is this a possible security threat
(some type of DNS spoofing) and what can I do to resolve
this issue.

The DNS server encountered an invalid domain name in a
packet from 192.168.1.***. The packet is rejected.

thanks in advance
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2 29th February 02:32
kevin d. goodknecht sr. [mvp]
External User
 
Posts: 1
Default Event ID 5504


In news:708601c3455a$40811380$3101280a@phx.gbl,
itadmin <itadmin@cosabella.com>
posted their concerrns,
Then Kevin D4Dad added his reply at the bottom.

It sounds to me like you have some machines with illegal characters in their
names. If it is a client rename them, if it is a DC your in trouble.

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Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
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