What to do if a server is generating too much DNS traffic
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Kaspersky Security 8.0 for Microsoft Exchange Servers


What to do if a server generates excessive DNS traffic

Back to "Troubleshooting"
2015 Jan 21 ID: 8397
Servers with Kaspersky Security 8.0 for Microsoft Exchange Servers installed can generate excessive DNS traffic. Corporate network administrator in this case may receive a mail from the resource containing black lists of spammer domains and IP addresses. 

You can lower the number of DNS requests to mentioned services by disabling default DNSBL and SURBL servers in Kaspersky Security 8.0 for Microsoft Exchange Servers settings.

Afterwards you should compile a custom list of DNSBL and SURBL servers that would contain only the servers capable to process your Exchange server load.

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