[Freeipa-users] Re: How to restrict FreeIPA's from registering external IPs on DNS?

2020-02-09 Thread Natxo Asenjo via FreeIPA-users
hi Vinícius,


On Fri, Feb 7, 2020 at 9:29 PM Vinícius Ferrão via FreeIPA-users <
freeipa-users@lists.fedorahosted.org> wrote:

> Hello,
>
> My FreeIPA server have two IP addresses. It registers itself with the
> internal and the external addresses. There’s a way to only register the IPs
> from the internal interfaces?
>

usually those ip addresses are tied to specific network interfaces (eth0,
ens192, tun0, whatever). You can tell sssd to use only those interfaces to
register its dyndns (details in man sssd-ipa, look for dyndns_iface
directive)

dyndns_iface (string)
   Optional. Applicable only when dyndns_update is true. Choose the
   interface or a list of interfaces whose IP addresses should be
used
   for dynamic DNS updates. Special value “*” implies that IPs from
   all interfaces should be used.

   NOTE: While it is still possible to use the old ipa_dyndns_iface
   option, users should migrate to using dyndns_iface in their
config
   file.

   Default: Use the IP addresses of the interface which is used for
   IPA LDAP connection

   Example: dyndns_iface = em1, vnet1, vnet2

Regards,
Natxo
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[Freeipa-users] sss_ssh_authorizedkeys slow on IPA-server

2020-02-09 Thread Winfried de Heiden via FreeIPA-users
Hi all,
For some reason, for a particular user, sss_ssh_authorizedkeys is extremely 
slow on the IPA-server:
time /usr/bin/sss_ssh_authorizedkeys ~real0m9.520suser
0m0.022ssys 0m0.018s
It will return all the public keys, but is is slow, causing SSH-login delays 
using a ssh-keys.
On another CentOS Stream (8.1) IPA-client, using the same IPA-server:
time /usr/bin/sss_ssh_authorizedkeys ~real0m0.020suser
0m0.005ssys 0m0.003s
Some difference...Adding "certificate_verification = no_ocsp" to sssd.conf on 
the IPA-server will bring back performance, but sound like a poor workaround.
Any idea what is happening here?
Some more details:CentOS Linux release 8.1.1911 (Core) 
(stream)ipa-client-4.8.0-13.module_el8.1.0+265+e1e65be4.x86_64sssd-common-2.2.0-19.el8.x86_64
Winfried

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[Freeipa-users] Re: sss_ssh_authorizedkeys slow on IPA-server

2020-02-09 Thread Christophe TREFOIS via FreeIPA-users
Have you check authentication source order in nsswitch.conf ? Maybe there it 
hit some timeout or so.

From: Winfried de Heiden via FreeIPA-users 

Sent: dimanche 9 février 2020 13:55
To: freeipa-users@lists.fedorahosted.org
Cc: Winfried de Heiden 
Subject: [Freeipa-users] sss_ssh_authorizedkeys slow on IPA-server

Hi all,

For some reason, for a particular user, sss_ssh_authorizedkeys is extremely 
slow on the IPA-server:

time /usr/bin/sss_ssh_authorizedkeys 
~
real 0m9.520s
user 0m0.022s
sys 0m0.018s

It will return all the public keys, but is is slow, causing SSH-login delays 
using a ssh-keys.

On another CentOS Stream (8.1) IPA-client, using the same IPA-server:

time /usr/bin/sss_ssh_authorizedkeys 
~
real 0m0.020s
user 0m0.005s
sys 0m0.003s

Some difference...
Adding "certificate_verification = no_ocsp" to sssd.conf on the IPA-server will 
bring back performance, but sound like a poor workaround.

Any idea what is happening here?

Some more details:
CentOS Linux release 8.1.1911 (Core) (stream)
ipa-client-4.8.0-13.module_el8.1.0+265+e1e65be4.x86_64
sssd-common-2.2.0-19.el8.x86_64

Winfried

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[Freeipa-users] Re: sss_ssh_authorizedkeys slow on IPA-server

2020-02-09 Thread Alexander Bokovoy via FreeIPA-users

On su, 09 helmi 2020, Winfried de Heiden via FreeIPA-users wrote:

Hi all,
For some reason, for a particular user, sss_ssh_authorizedkeys is extremely 
slow on the IPA-server:
time /usr/bin/sss_ssh_authorizedkeys ~real  0m9.520suser
0m0.022ssys 0m0.018s
It will return all the public keys, but is is slow, causing SSH-login delays 
using a ssh-keys.
On another CentOS Stream (8.1) IPA-client, using the same IPA-server:
time /usr/bin/sss_ssh_authorizedkeys ~real  0m0.020suser
0m0.005ssys 0m0.003s
Some difference...Adding "certificate_verification = no_ocsp" to sssd.conf on 
the IPA-server will bring back performance, but sound like a poor workaround.
Any idea what is happening here?


SSSD picks up certificates associated with the user entry for use as SSH
keys as well. I guess verification of those certificates via OCSP takes
time and that's why switching off the verification helps.


--
/ Alexander Bokovoy
Sr. Principal Software Engineer
Security / Identity Management Engineering
Red Hat Limited, Finland
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[Freeipa-users] ipa-ca-install fails on directory manager password

2020-02-09 Thread Nicholas DeMarco via FreeIPA-users
After successfully promoting an IPA server to a replica, ipa-ca-install
fails with "Directory Manager password is invalid"

This noob would appreciate a command and example to verify I have the
correct directory manager password. I've looked through this page:
https://directory.fedoraproject.org/docs/389ds/howto/howto-resetdirmgrpassword.html


but haven't been successful in getting dsconf or ldapmodify to work.

server: ipa1.identity.demarcohome.com.
instance: slapd-IDENTITY-DEMARCOHOME-COM

# dsconf -D "cn=Directory Manager" slapd-IDENTITY-DEMARCOHOME-COM
directory_manager password_change

Error: Could not find configuration for instance:
slapd-IDENTITY-DEMARCOHOME-COM
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[Freeipa-users] Re: sss_ssh_authorizedkeys slow on IPA-server

2020-02-09 Thread Sumit Bose via FreeIPA-users
On Sun, Feb 09, 2020 at 11:06:46PM +0200, Alexander Bokovoy via FreeIPA-users 
wrote:
> On su, 09 helmi 2020, Winfried de Heiden via FreeIPA-users wrote:
> > Hi all,
> > For some reason, for a particular user, sss_ssh_authorizedkeys is extremely 
> > slow on the IPA-server:
> > time /usr/bin/sss_ssh_authorizedkeys ~real0m9.520suser
> > 0m0.022ssys 0m0.018s
> > It will return all the public keys, but is is slow, causing SSH-login 
> > delays using a ssh-keys.
> > On another CentOS Stream (8.1) IPA-client, using the same IPA-server:
> > time /usr/bin/sss_ssh_authorizedkeys ~real0m0.020suser
> > 0m0.005ssys 0m0.003s
> > Some difference...Adding "certificate_verification = no_ocsp" to sssd.conf 
> > on the IPA-server will bring back performance, but sound like a poor 
> > workaround.
> > Any idea what is happening here?
> 
> SSSD picks up certificates associated with the user entry for use as SSH
> keys as well. I guess verification of those certificates via OCSP takes
> time and that's why switching off the verification helps.

Hi,

if you are not interested in this feature at all you can disable it
completely in recent versions of SSSD by setting
'ssh_use_certificate_keys = False' in the [ssh] section of sssd.conf.
Please check if 'man sssd.conf' shows this option for your version of
SSSD.

HTH

bye,
Sumit

> 
> 
> -- 
> / Alexander Bokovoy
> Sr. Principal Software Engineer
> Security / Identity Management Engineering
> Red Hat Limited, Finland
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[Freeipa-users] Re: ipa-ca-install fails on directory manager password

2020-02-09 Thread Alexander Bokovoy via FreeIPA-users

On su, 09 helmi 2020, Nicholas DeMarco via FreeIPA-users wrote:

After successfully promoting an IPA server to a replica, ipa-ca-install
fails with "Directory Manager password is invalid"

This noob would appreciate a command and example to verify I have the
correct directory manager password. I've looked through this page:
https://directory.fedoraproject.org/docs/389ds/howto/howto-resetdirmgrpassword.html


but haven't been successful in getting dsconf or ldapmodify to work.

server: ipa1.identity.demarcohome.com.
instance: slapd-IDENTITY-DEMARCOHOME-COM

# dsconf -D "cn=Directory Manager" slapd-IDENTITY-DEMARCOHOME-COM
directory_manager password_change

Error: Could not find configuration for instance:
slapd-IDENTITY-DEMARCOHOME-COM


dsconf expects instance name, not the whole 'slapd-...' part. Your
instance name would be IDENTITY-DEMARCOHOME-COME.


--
/ Alexander Bokovoy
Sr. Principal Software Engineer
Security / Identity Management Engineering
Red Hat Limited, Finland
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