On 01/03/2012 12:52 AM, nasir nasir wrote:
Hi,

I am facing a serious issue with my production IPA server. When I try to access IPA web interface using Firefox, it hangs and doesn't allow me to get in. It seems to be due to expired SSL certificate as seen in the apache log file,


[Tue Jan 03 10:34:08 2012] [error] Certificate not verified: 'Server-Cert'
[Tue Jan 03 10:34:08 2012] [error] SSL Library Error: -8181 Certificate has expired [Tue Jan 03 10:34:08 2012] [error] Unable to verify certificate 'Server-Cert'. Add "NSSEnforceValidCerts off" to nss.conf so the server can start until the problem can be resolved.
[Tue Jan 03 10:34:08 2012] [error] Certificate not verified: 'Server-Cert'


Also, when I try to use the command line (ipa user-mod or user-show commands) it too just hangs and doesn't give any output or allow me for any input. I can see the following in krb5kdc.log ,

Jan 03 10:29:16 xxxxxx.xxxxxx.com krb5kdc[2426](info): preauth (timestamp) verify failure: Decrypt integrity check failed Jan 03 10:29:16 xxxxxx.xxxxxx.com krb5kdc[2426](info): AS_REQ (4 etypes {18 17 16 23}) 192.168.1.10: PREAUTH_FAILED: host/xxxxx.xxxxx....@xxxxxx.com for krbtgt/xxxxxx....@xxxxxx.com, Decrypt integrity check failed Jan 03 10:29:16 xxxxxx.xxxxxx.com krb5kdc[2429](info): AS_REQ (4 etypes {18 17 16 23}) 192.168.1.10: NEEDED_PREAUTH: host/xxxx.xxxxx....@xxxxx.com for krbtgt/xxxxxx....@xxxxxx.com, Additional pre-authentication required


The output of "certutil -L -d /etc/httpd/alias -n Server-Cert" confirms that certificate is expired as given below.

Certificate:
Data:
Version: 3 (0x2)
Serial Number: 10 (0xa)
Signature Algorithm: PKCS #1 SHA-256 With RSA Encryption
Issuer: "CN=Certificate Authority,O=XXXXXX.COM"
Validity:
Not Before: Sun Jun 19 11:27:20 2011
Not After : Fri Dec 16 11:27:20 2011


Relevant info

OS: RHEL 6.1


Output of rpm -qa | grep ipa

ipa-client-2.0.0-23.el6.i686
ipa-pki-ca-theme-9.0.3-6.el6.noarch
ipa-pki-common-theme-9.0.3-6.el6.noarch
device-mapper-multipath-libs-0.4.9-41.el6.i686
python-iniparse-0.3.1-2.1.el6.noarch
ipa-python-2.0.0-23.el6.i686
ipa-server-selinux-2.0.0-23.el6.i686
ipa-server-2.0.0-23.el6.i686
device-mapper-multipath-0.4.9-41.el6.i686
ipa-admintools-2.0.0-23.el6.i686


I went through the documentations to check how to renew the expired certs but it seems to be confusing and different across versions. Could someone please help me out by suggesting which is the best way to achieve this ? Any help would be greatly appreciated as I am unable to perform any task on the IPA server now because of this.

I suggest following the mod_nss suggestion to allow it to start and use the expired cert while you attempt to figure this out.

Regards,
Nidal


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