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Thread: Question on BlackHole DNS




Question on BlackHole DNS
user name
2006-09-12 12:29:51
OK, idea #1 - Include the spywaredomains in the named.conf
file directly.

1.  Startup appears to complete, but the following is found
in the logfile:
Sep 12 12:24:40 ns4 named[10378]: zone mipham.org/IN:
sending notifies 
(serial 2006082201)
Sep 12 12:24:40 ns4 named[10378]: zone mortismaximus.com/IN:
sending 
notifies (serial 2006082201)
Sep 12 12:24:45 ns4 named[10378]: zone
protect-yourself.biz/IN: sending 
notifies (serial 2006082201)
Sep 12 12:24:55 ns4 named[10378]: zone
prsainlandempire.org/IN: sending 
notifies (serial 2006082201)
Sep 12 12:25:00 ns4 named[10378]: zone nesrecords.com/IN:
sending 
notifies (serial 2006082201)
Sep 12 12:25:26 ns4 named[10378]: zone newcracks.com/IN:
sending 
notifies (serial 2006082201)
Sep 12 12:25:51 ns4 named[10378]: zone search-top.com/IN:
sending 
notifies (serial 2006082201)
Sep 12 12:26:21 ns4 named[10378]: zone seehardcore.com/IN:
sending 
notifies (serial 2006082201)
Sep 12 12:26:36 ns4 named[10378]: zone search-space.com/IN:
sending 
notifies (serial 2006082201)
Sep 12 12:26:51 ns4 named[10378]: zone search-town.com/IN:
sending 
notifies (serial 2006082201)

It is disturbing that the completion occurs in about 20
seconds and the 
logfile information appears to drag out.  I believe that
this is the 
actual issue.

While I can perform the other suggestion, I believe that
this is the 
problem.  Would this be a System configuration issue?

David Glosser wrote:
> Two ideas (not solutions, but an attempt to isolate the
problem: - 
> Don't use the include line, and add the domains into
the main file
> - modify the DNS-BH list domain file to have only a few
domains
>
> Does either of these work?
> ----- Original Message ----- From: "Albert E.
Whale" 
> <aewhaleABS-CompTech.com>
> To: <mjonkmaninfotex.com>
> Cc: <bleeding-sigsbleedingsnort.com>
> Sent: Sunday, September 10, 2006 11:08 PM
> Subject: Re: [Bleeding-sigs] Question on BlackHole DNS
>
>
>> Matt Jonkman wrote:
>>> What's load like on the box while it's
working?
>>>
>>> Are the config's identical?
>>>
>>> Does the named process remain running, or core
out? Do you have to 
>>> kill it?
>>>
>>> Matt
>>
>> The Configurations are identical.
>>
>> The load average is under one (< 1.0), which I
consider normal
>>
>> I have to kill the named process in order to get
control back.  If I 
>> comment out the include line for the BlackHole
list, named appears to 
>> operate normally.
>>
>> Any suggestions?
>>
>> -- 
>> Albert E. Whale, CHS CISA CISSP
>> Sr. Security, Network, Risk Assessment and Systems
Consultant
>>
------------------------------------------------------------
-------
>> ABS Computer Technology, Inc. -
www.ABS-CompTech.com
>> SPAM Zapper - No-JunkMail.com - Spam-Zapper.com -
SPAM Stops Here.
>>
>> _______________________________________________
>> Bleeding-sigs mailing list
>> Bleeding-sigsbleedingsnort.com
>> http://lists.bleedingsnort.com/mailman/listinfo/ble
eding-sigs
>


-- 
Albert E. Whale, CHS CISA CISSP
Sr. Security, Network, Risk Assessment and Systems
Consultant
------------------------------------------------------------
-------
ABS Computer Technology, Inc. - www.ABS-CompTech.com
SPAM Zapper - No-JunkMail.com - Spam-Zapper.com - SPAM Stops
Here.

_______________________________________________
Bleeding-sigs mailing list
Bleeding-sigsbleedingsnort.com
http://lists.bleedingsnort.com/mailman/listinfo/ble
eding-sigs
Question on BlackHole DNS
user name
2006-09-12 12:48:28
One interesting point is that the named entries are all in
UTC time, not 
EDT time.  What do I need to correct this issue?  Any ideas?

Albert E. Whale wrote:
> OK, idea #1 - Include the spywaredomains in the
named.conf file directly.
>
> 1.  Startup appears to complete, but the following is
found in the 
> logfile:
> Sep 12 12:24:40 ns4 named[10378]: zone mipham.org/IN:
sending notifies 
> (serial 2006082201)
> Sep 12 12:24:40 ns4 named[10378]: zone
mortismaximus.com/IN: sending 
> notifies (serial 2006082201)
> Sep 12 12:24:45 ns4 named[10378]: zone
protect-yourself.biz/IN: 
> sending notifies (serial 2006082201)
> Sep 12 12:24:55 ns4 named[10378]: zone
prsainlandempire.org/IN: 
> sending notifies (serial 2006082201)
> Sep 12 12:25:00 ns4 named[10378]: zone
nesrecords.com/IN: sending 
> notifies (serial 2006082201)
> Sep 12 12:25:26 ns4 named[10378]: zone
newcracks.com/IN: sending 
> notifies (serial 2006082201)
> Sep 12 12:25:51 ns4 named[10378]: zone
search-top.com/IN: sending 
> notifies (serial 2006082201)
> Sep 12 12:26:21 ns4 named[10378]: zone
seehardcore.com/IN: sending 
> notifies (serial 2006082201)
> Sep 12 12:26:36 ns4 named[10378]: zone
search-space.com/IN: sending 
> notifies (serial 2006082201)
> Sep 12 12:26:51 ns4 named[10378]: zone
search-town.com/IN: sending 
> notifies (serial 2006082201)
>
> It is disturbing that the completion occurs in about 20
seconds and 
> the logfile information appears to drag out.  I believe
that this is 
> the actual issue.
>
> While I can perform the other suggestion, I believe
that this is the 
> problem.  Would this be a System configuration issue?
>
> David Glosser wrote:
>> Two ideas (not solutions, but an attempt to isolate
the problem: - 
>> Don't use the include line, and add the domains
into the main file
>> - modify the DNS-BH list domain file to have only a
few domains
>>
>> Does either of these work?
>> ----- Original Message ----- From: "Albert E.
Whale" 
>> <aewhaleABS-CompTech.com>
>> To: <mjonkmaninfotex.com>
>> Cc: <bleeding-sigsbleedingsnort.com>
>> Sent: Sunday, September 10, 2006 11:08 PM
>> Subject: Re: [Bleeding-sigs] Question on BlackHole
DNS
>>
>>
>>> Matt Jonkman wrote:
>>>> What's load like on the box while it's
working?
>>>>
>>>> Are the config's identical?
>>>>
>>>> Does the named process remain running, or
core out? Do you have to 
>>>> kill it?
>>>>
>>>> Matt
>>>
>>> The Configurations are identical.
>>>
>>> The load average is under one (< 1.0), which
I consider normal
>>>
>>> I have to kill the named process in order to
get control back.  If I 
>>> comment out the include line for the BlackHole
list, named appears 
>>> to operate normally.
>>>
>>> Any suggestions?
>>>
>>> -- 
>>> Albert E. Whale, CHS CISA CISSP
>>> Sr. Security, Network, Risk Assessment and
Systems Consultant
>>>
------------------------------------------------------------
-------
>>> ABS Computer Technology, Inc. -
www.ABS-CompTech.com
>>> SPAM Zapper - No-JunkMail.com - Spam-Zapper.com
- SPAM Stops Here.
>>>
>>> _______________________________________________
>>> Bleeding-sigs mailing list
>>> Bleeding-sigsbleedingsnort.com
>>> http://lists.bleedingsnort.com/mailman/listinfo/ble
eding-sigs
>>
>
>


-- 
Albert E. Whale, CHS CISA CISSP
Sr. Security, Network, Risk Assessment and Systems
Consultant
------------------------------------------------------------
-------
ABS Computer Technology, Inc. - www.ABS-CompTech.com
SPAM Zapper - No-JunkMail.com - Spam-Zapper.com - SPAM Stops
Here.

_______________________________________________
Bleeding-sigs mailing list
Bleeding-sigsbleedingsnort.com
http://lists.bleedingsnort.com/mailman/listinfo/ble
eding-sigs
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