Monitor Bind connection

This is a discussion on Monitor Bind connection within the Linux Security forums, part of the System Security and Security Related category; How do I monitor who is connecting to my DNS server and what they are requesting? I'm running Redhat ...


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  #1 (permalink)  
Old 07-23-2004
Shabam
 
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Default Monitor Bind connection

How do I monitor who is connecting to my DNS server and what they are
requesting? I'm running Redhat 7.1 with Bind 8. Thanks.


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  #2 (permalink)  
Old 07-23-2004
Dennis Leiterman
 
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Default Re: Monitor Bind connection

Hi....have you tried;
tcpdump -s 1200 port 53???
or use ethereal with the port 53 filter???

"Shabam" <blislecp@hotmail.com> wrote in message
news:8MudnQQ1WdkkeJ3cRVn-jQ@adelphia.com...
> How do I monitor who is connecting to my DNS server and what they are
> requesting? I'm running Redhat 7.1 with Bind 8. Thanks.
>
>



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  #3 (permalink)  
Old 07-29-2004
vhu
 
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Default Re: Monitor Bind connection

You could try with 'rndc querylog'. It'll log all requests via syslog.
IPTables (with or without ulogd) might be one way to go.

Just be careful not to expose your self for DOSing because of excessive
logging.

"Shabam" <blislecp@hotmail.com> wrote in message
news:8MudnQQ1WdkkeJ3cRVn-jQ@adelphia.com...
> How do I monitor who is connecting to my DNS server and what they are
> requesting? I'm running Redhat 7.1 with Bind 8. Thanks.
>
>



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