Quantcast
Channel: Security forum
Browsing all 12072 articles
Browse latest View live

[NameConstraintsExtension] not taking effect on Sub-CA request, nor Root-CA...

I need to constrain the valid names for a child CA, and want this attribute visible in the certificate.  I have placed the required entry in Policy.inf, and Capolicy.inf in both the Root and the Child...

View Article


Email encryption and signing steps for internal Microsoft PKI

Hello All.Our company has an internal PKI system we use for many things, Since we want to extend it so that we can use it for email encryption and Signing as well as document signing internally in the...

View Article


Event Log - Failure Audit 560 - NetBT_Tcpip

I have an XP machine on my network (Server 2003 PDC / Server 2000 backup DC) that is experiencing two of these errors every second - filling up my Security log and then booting my users off the...

View Article

trying to decomission a Microsoft Active Directory Certificate Authority...

Hello,I am trying to decommission a CA per this KB article: http://support.microsoft.com/kb/889250When I get to Step 3: Publish a new CRL I am getting this error: Directory object not found....

View Article

Protect password hash when delegating user management rights.

We want to implement a user management policy that protects the password hashes of active directory user accounts. As such we want to grant our account administrators rights to those OUs that they...

View Article


IIS doesn't ask for NTLM user and password while accessed from remote

The problem is that IIS asks for auth data when accessed from local network and localhost itself, but it doesn't when accessed from remote.It, instead, throws  401 - Unauthorized: Access is denied due...

View Article

Regular user account running under high integrity level -What can be the reason?

Two (separate) Windows Server 2008 Enterprise Terminal Servers. Regular (domain) users run in the expected medium integrity level on one, but high on the other. The local group membership is identical....

View Article

Image may be NSFW.
Clik here to view.

ldap over ssl in windows 2008 r2

hi i wanted to configure ldap over ssl and i have created security template along with apropriate persmission however when i want to add it my domain 2008 R2  computer it gives me error.""the permision...

View Article


trying to decomission a CA

Hello,I am trying to decommission a CA per this KB article: http://support.microsoft.com/kb/889250When I get to Step 3: Publish a new CRL I am getting this error: Directory object not found....

View Article


Image may be NSFW.
Clik here to view.

IPSec Main mode 4653 Audit failure from IP addresss : Akamai and Microsoft...

I am updating my security log settings and testing some of the Advanced Logging features.I have IPsec NPS on the network, so I am interested in any IPsec failures.On my domain controllers I am getting...

View Article

IPsec main mode negotiation failed - Failure reason: No policy configured

Lab setup: Windows Server 2008RC2 running CA, DC, NDES roles. Client: Embedded Linux device with strongSwan 5.1.1 and openssl. I have successfully configured NDES and SCEP, and enrolled a machine...

View Article

Kerberos Encrytion Types 2k3 to 2k8r2 problems after migration.

server 2k8r2 is not allowing a unix box to authenticate unless it sends;•aes256-cts-hmac-sha1-96 •aes128-cts-hmac-sha1-96• des3-cbc-sha1 • rc4-hmac des-cbc-crc • des-cbc-md5 • des-cbc-md4in the...

View Article

SSL EV for Enterprise PKI

Helloi would like to test SSL EV for internal purpose.I follwed this guide...

View Article


To which store should we add email Encryption and Signing Cert so outlook can...

Hi All, I did a fresh install on Microsoft PKI in my test Lab and issued a Email encryption and Signing certificate in P7 format .After doing that I run the commandC:\>certutil -addstore My...

View Article

PKI best practices. Key length and recommendations

I'm planning a simple Enterprise PKI for 802.1x port security on our cisco switch and MS NPS radius servers. I plan on using two CAs (one root and one sub CA). I will also be using the autoenrollment...

View Article


Root certificate export

Our organization has an internal domain with a PKI consisting of a single 2003 Server Enterprise Certificate Authority. About six months ago, I renewed our root certificate (512 key length) to 2048 key...

View Article

Problem with my certificate chain?

I'm having SSL related issues with various hosts on my network, and I'm asking if there is a way to verify if everthing is OK with the certificate chain and the issuing process.In our environment we...

View Article


HELP - Cannot Restore Shadow Copies - Access Denied - Security Restrictions?

Server 2008 environment. Attempting to restore from shadow copy. Attempts to do so while logged in as enterprise administrator returns error: You do not have permission to access...

View Article

Certificate error with a 2008 R2 Domain Controller and a 2003 CA

Recently we updated the root CA on our Enterprise CA as the cert was about to expire. We renewed the Domain Controller certs manually on our DC's after that. Now our DC's are barking error after error...

View Article

Security bulletins for pre-SP1 Windows Server 2008 R2

Is Microsoft is still releasing security bulletins for pre-SP1 Windows Server 2008 R2?  My guess is no.  The "service pack support end date" is listed as 4/9/2013. And a comparison of security bulletin...

View Article
Browsing all 12072 articles
Browse latest View live