Question about message your system is lacking dev/random (or equivalent)

2010-04-13 Thread Khuu, Linh MicroTech
I just turned on the dnssec-validation today, and I saw lots of messages:

13-Apr-2010 15:17:17.122 dnssec: debug 3:   validating @202be918: 
3e77469i48du24agcu5ftfumd6iocmrk.org NSEC3: verify rdataset (keyid=47948): You 
must use the keyboard to create entropy, since your system is lacking
 /dev/random (or equivalent)

13-Apr-2010 15:26:35.016 dnssec: debug 3: validating @202bd638: usps.gov 
DNSKEY: verify rdataset (keyid=10539): You must use the keyboard to create 
entropy, since your system is lacking
 /dev/random (or equivalent)

13-Apr-2010 15:26:37.385 dnssec: debug 3:   validating @202c0e28: usps.gov SOA: 
verify rdataset (keyid=43133): You must use the keyboard to create entropy, 
since your system is lacking
 /dev/random (or equivalent)

Is this a problem with dnssec on my DNS server?

Linh Khuu
Network Security Specialist
MicroTech ESS Contract
Office: 410-966-0798
Pager: 410-232-2350
Email: linh.k...@ssa.gov
 



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Re: Question about message your system is lacking dev/random (or equivalent)

2010-04-13 Thread Warren Kumari


On Apr 13, 2010, at 3:28 PM, Khuu, Linh MicroTech wrote:

I just turned on the dnssec-validation today, and I saw lots of  
messages:


13-Apr-2010 15:17:17.122 dnssec: debug 3:   validating @202be918:  
3e77469i48du24agcu5ftfumd6iocmrk.org NSEC3: verify rdataset  
(keyid=47948): You must use the keyboard to create entropy, since  
your system is lacking

/dev/random (or equivalent)

13-Apr-2010 15:26:35.016 dnssec: debug 3: validating @202bd638:  
usps.gov DNSKEY: verify rdataset (keyid=10539): You must use the  
keyboard to create entropy, since your system is lacking

/dev/random (or equivalent)

13-Apr-2010 15:26:37.385 dnssec: debug 3:   validating @202c0e28:  
usps.gov SOA: verify rdataset (keyid=43133): You must use the  
keyboard to create entropy, since your system is lacking

/dev/random (or equivalent)

Is this a problem with dnssec on my DNS server?


Did you build BIND yourself? When BIND starts does it log anything  
like: --with-randomdev=something?
What operating system, etc? You haven't really provided very much  
useful information in your question...


DNSSEC needs entropy for signing -- it believes that your system does  
not provide a useful source of entropy (do you have a /dev/random?)  
and so it want you to add some. This is not a BIND problem, it is an  
OS (or more likely configuration issue).


W






Linh Khuu
Network Security Specialist
MicroTech ESS Contract
Office: 410-966-0798
Pager: 410-232-2350
Email: linh.k...@ssa.gov


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If the bad guys have copies of your MD5 passwords, then you have way  
bigger problems than the bad guys having copies of your MD5 passwords.

-- Richard A Steenbergen


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RE: Question about message your system is lacking dev/random (or equivalent)

2010-04-13 Thread Jack Tavares
Perhaps you have configured it to run in a chroot jail and have not
fully outfitted the chroot with /dev/random

this is old, but looks to be accurate, at least when talking about the
/dev/random file on linux. You didn't even specify what OS you are running on:

http://tldp.org/HOWTO/Chroot-BIND-HOWTO-2.html


-Original Message-
From: bind-users-bounces+j.tavares=f5@lists.isc.org 
[mailto:bind-users-bounces+j.tavares=f5@lists.isc.org] On Behalf Of Warren 
Kumari
Sent: Tuesday, April 13, 2010 12:43 PM
To: Khuu, Linh MicroTech
Cc: 'bind-users@lists.isc.org'
Subject: Re: Question about message your system is lacking dev/random (or 
equivalent)


On Apr 13, 2010, at 3:28 PM, Khuu, Linh MicroTech wrote:

 I just turned on the dnssec-validation today, and I saw lots of  
 messages:

 13-Apr-2010 15:17:17.122 dnssec: debug 3:   validating @202be918:  
 3e77469i48du24agcu5ftfumd6iocmrk.org NSEC3: verify rdataset  
 (keyid=47948): You must use the keyboard to create entropy, since  
 your system is lacking
 /dev/random (or equivalent)

 13-Apr-2010 15:26:35.016 dnssec: debug 3: validating @202bd638:  
 usps.gov DNSKEY: verify rdataset (keyid=10539): You must use the  
 keyboard to create entropy, since your system is lacking
 /dev/random (or equivalent)

 13-Apr-2010 15:26:37.385 dnssec: debug 3:   validating @202c0e28:  
 usps.gov SOA: verify rdataset (keyid=43133): You must use the  
 keyboard to create entropy, since your system is lacking
 /dev/random (or equivalent)

 Is this a problem with dnssec on my DNS server?

Did you build BIND yourself? When BIND starts does it log anything  
like: --with-randomdev=something?
What operating system, etc? You haven't really provided very much  
useful information in your question...

DNSSEC needs entropy for signing -- it believes that your system does  
not provide a useful source of entropy (do you have a /dev/random?)  
and so it want you to add some. This is not a BIND problem, it is an  
OS (or more likely configuration issue).

W





 Linh Khuu
 Network Security Specialist
 MicroTech ESS Contract
 Office: 410-966-0798
 Pager: 410-232-2350
 Email: linh.k...@ssa.gov


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 bind-users@lists.isc.org
 https://lists.isc.org/mailman/listinfo/bind-users

--
If the bad guys have copies of your MD5 passwords, then you have way  
bigger problems than the bad guys having copies of your MD5 passwords.
-- Richard A Steenbergen


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Re: rdns for /20

2010-04-13 Thread Doug Barton
On 4/13/2010 6:42 PM, Jason Davis wrote:
 Hello,
  Is their an easy way to rdns a /20. I can only find examples for a /24

You need to create individual zones for each /24.

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