| Author |
Message |
asw
Guest
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 Posted:
Wed Jan 19, 2005 8:49 pm Post subject:
DNS Server domain-udp to 192.175.48.1, ...6, ....42 |
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Our Windows DNS Servers try communicate with the IP-Adresses 192.175.48.1,
192.175.48.42 and 192.175.48.6 each minute (visble in the Firewall-Log).
I would like to stop this unnecessary traffic.
How can I do?
What is the reason for this tried communication? |
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Todd J Heron
Guest
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Kevin D. Goodknecht Sr. [
Guest
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| Posted:
Wed Jan 19, 2005 10:09 pm Post subject:
Re: DNS Server domain-udp to 192.175.48.1, ...6, ....42 |
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In news:F9907208-4011-4677-ABB8-660A00E136B0@microsoft.com,
asw <asw@discussions.microsoft.com> commented
Then Kevin replied below:
| Quote: | Our Windows DNS Servers try communicate with the
IP-Adresses 192.175.48.1, 192.175.48.42 and 192.175.48.6
each minute (visble in the Firewall-Log).
I would like to stop this unnecessary traffic.
How can I do?
What is the reason for this tried communication?
1.48.175.192.in-addr.arpa. 3600 IN PTR prisoner.iana.org. |
42.48.175.192.in-addr.arpa. 3600 IN PTR blackhole-2.iana.org.
6.48.175.192.in-addr.arpa. 3600 IN PTR blackhole-1.iana.org.
Looks like your machines are trying to register in the Internet blackhole
servers for private IPs.
Create a reverse lookup zone for your private IP subnet is the simplest, or
disable PTR registrations on all your machines. Reverse lookup is not
necessary for domain communication..
--
Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
Hope This Helps
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