I'm using openldap(slapd) to store user account..But how can i ensure that each UserID can be only login on one machine at any one time?
I'm using ubuntu for both client and server..
I am running Ubuntu server with an SSH server installed. How can I create an ubuntu user and give that user permissions to read and write only 1 specific folder so someone can log in through SSH using the new username and only put files in the folder I specify?
View 2 Replies View Relatednetwork in my lab is running NIS and NFS. one of our workstations (say, workstation A) died, so we replaced it with a new computer. A user emailed me saying that he can't login to the new workstation A. I instructed him to do:
mv ~/.ssh/known_hosts ~/.ssh/known_hosts_old
He did it, and then got back to me with the following message:
===========starting user's email=====================
Starting from my login to Workstation B, this is what I get:
% mv ~/.ssh/known_hosts ~/.ssh/known_host_old
% WORKSTATIONA
The authenticity of host 'WORKSTATIONA)' can't be established.
RSA key fingerprint is c2:b9:d9:64:b3:03:f2:bc:2d:4f:7c:4f:c7:cb:2f:b6.
[code]....
I have a Samba server and it works except other users can't connect to it. The admin account can connect to the share fine but when I add other users they can't connect.These are the commands I used to make and add users
Code:
useradd -s /bin/true
smbpasswd -a USER_NAME
[code]....
We are in the process of integrating openldap into our application and existing AD used is MSAD. We would like to access the users created in openldap in our application(Java code) and then autheticate them against the details in AD(openldap). We are using Spring LDAP connection for fetching openldap connections. We have the following code with MSAD:
Code:
userAttributes.get("distinguishedName").toString()
this works because MSAD user objectclass has an attribute 'distinguishedName' to get the user DN. There is no such provision in openldap or is there anyother way to retrieve the DN in openldap ?
I have OpenLDAP and Dovecot installed based on the following documents. DovecotLDAP OpenLDAPServer (using RTC) When Dovecot is set up to log in with out using LDAP connections work fine. However as soon as I change the dovecot.conf to use ldap I get the following error when trying to log in:
[Code]....
I have a web server running Ubuntu Maverick Server Edition. I changed the /etc/motd file to something custom (some awesome ASCII art). This changes the login for every single user on the entire system. My question is this: Is there a way to change that login file and make it different for each user or is that the only file and it can only be done system-wide.
View 1 Replies View RelatedI have no ACLs in place yet but want to use a user called ldap-auth-user to bind to the ldap servers directory from the client servers. However I keep on getting ldap_bind: Invalid credentials (49). Error. I know the UserPassword is correct because I can log into a server using that id and password through the LDAP directory. I am guessing it has something to do with the way I created the account.
This Works:
ldapsearch -D 'cn=Manager,dc=test,dc=com' -x 'uid=testuser' -W
This Doesn't:
ldapsearch -D 'cn=ldap-auth-user,dc=test,dc=com' -x 'uid=testuser' -W
Here is the ldap-auth-users entry in the directory
[root@ldap-build-01 ~]# ldapsearch -D 'cn=Manager,dc=test,dc=com' -x 'uid=ldap-auth-user' -W
Enter LDAP Password:
# extended LDIF
[code]....
I have configured a ldap server and trying to login to same ldap server using a ldap user. However, I am not able to login and getting the following in /var/log/secure:
Dec 22 20:06:29 redhat5 sshd[7241]: Invalid user ldapu1 from 192.168.85.1
Dec 22 20:06:31 redhat5 sshd[7242]: input_userauth_request: invalid user ldapu1
Dec 22 20:06:37 redhat5 sshd[7241]: pam_unix(sshd:auth): check pass; user unknown
Dec 22 20:06:37 redhat5 sshd[7241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.168.85.1
Dec 22 20:06:37 redhat5 sshd[7241]: pam_succeed_if(sshd:auth): error retrieving information about user ldapu1
Dec 22 20:06:39 redhat5 sshd[7241]: Failed password for invalid user ldapu1 from 192.168.85.1 port 4461 ssh2
I can see that if I use the ldapsearch with same filter, I am not able to locate the user "ldapu1". However, if I change the filter to (|(objectClass=posixAccount)(uid=ldapu1))", it shows me the ldap user:
[root@redhat5 ~]# ldapsearch -x -b "ou=Users,dc=homeldap,dc=com" -D "cn=Manager,dc=homeldap,dc=com" -W -H "ldap://127.0.0.1/" "(|(objectClass=posixAccount)(uid=ldapu1))"
Enter LDAP Password:
# extended LDIF
# LDAPv3
# base <ou=Users,dc=homeldap,dc=com> with scope subtree
# filter: (|(objectClass=posixAccount)(uid=ldapu1))
# requesting: ALL
# ldapu1, Users, homeldap.com
dn: cn=ldapu1,ou=Users,dc=homeldap,dc=com
objectClass: inetOrgPerson
cn: ldapu1
sn: ldapu1
uid: ldapu1
userPassword:: bGRhcHV1MQ==
# search result
search: 2
result: 0 Success
# numResponses: 2
# numEntries: 1
Where I have made a mistake?
- Is it necessary to create an account on Linux box and then migrate it to ldap?
- I was just wondering if I can somehow change the default filter from AND to OR at the time of login. I used "pam_filter |objectClass=inetOrgPerson" in ldap.conf.
However, it didn't change the filter.
I wrote a little script that will automatically mount two Samba shares to my home directory and I was wondering if a) You guys/gals had any input as to how I could improve on this script and b) Tell me how I would go about having this script automatically execute when I log on via SSH.
Code:
#!/bin/sh
mount -t smbfs -o username=Myuser,password=Thepassword //192.168.1.102/Data1 /home/user/Data1
mount -t smbfs -o username=Myuser,password=Thepassword //192.168.1.102/Data2 /home/user/Data2
I have an OpenSuSe 11.0 running openldap (managed by yast) for user authentication on some services.Is there an easy way that I can provide for users to change their own passwords (Preferably a web interface)?
View 1 Replies View RelatedI'm testing to log in using openldap authentication on jessie by following article from [URL] ..... and when I try to log in from ldap client (another debian 8 VM), it failed with
Code: Select allFeb 3 09:25:33 clt nscd: nss_ldap: could not connect to any LDAP server as cn=admin,dc=test,dc=lab - Can't contact LDAP server
Feb 3 09:25:33 clt nscd: nss_ldap: failed to bind to LDAP server ldap:///192.168.191.120: Can't contact LDAP server
Feb 3 09:25:33 clt nscd: nss_ldap: reconnecting to LDAP server...
Feb 3 09:25:33 clt nscd: nss_ldap: could not connect to any LDAP server as cn=admin,dc=test,dc=lab - Can't contact LDAP server
[Code] ....
test result from client with ldapsearch
Code: Select all# ldapsearch -h 192.168.191.120 -D cn=admin,dc=test,dc=lab -W -x -b 'dc=test,dc=lab' 'userName=*'
Enter LDAP Password:
# extended LDIF
#
# LDAPv3
# base <dc=test,dc=lab> with scope subtree
# filter: userName=*
[Code] .....
I am trying to get OpenLDAP to authenticate user logins, but running around in circles. Are there any logs produced by either client and/or server that would indicate possible reasons why it was unable to login as a user?Below is an explanation, any ideas would be appreciated, as I think everything is setup as per the various articles on using LDAP.
I have a CentOS 5.5 OpenLDAP server, and several others, some host services, some are file shares (samba).So far I have been able to successfully configure OpenLDAP to carry out all the ldap* commands from both the local server and from any of the remote servers, either via non-ssl or ssl connections. However, as soon as I try connecting any services up to it, it doesn't play ball.Back to basics, having cleared off all previous attempts at this from all machines, I have gone through the following:
Installed OpenLDAP server/client on host (plus nss_ldap).
Configured /etc/openldap/slapd.conf (see below)
Configured /etc/openldap/ldap.conf (see below)
[code]...
I want to create a new LDAP database.
Part of the new configuration is
Code:
dn: olcDatabase={1}hdb,cn=config
objectClass: olcDatabaseConfig
objectClass: olcHdbConfig
olcDatabase: {1}hdb
[Code].....
I have this group "cn=admins,ou=groups,dc=home,dc=com" And I've configured slapd in the new way so I'm not using slapd.conf (I think). First I thought about just modifying the files at /etc/ldap/cn=config/....... but that didn't work. How do I make that group into an admin-group with all the rights ?
View 3 Replies View RelatedThere are several parts of problems in my question.
1. Install openLDAP and authenticate clients
2. Simple way to authenticate Ubuntu clients (just like Windows simple domain model, but Linux)
Part 1 What I have done: I have been working on openLDAP for the past 4 weeks. There is a lot of information on LDAP and I have read a lot of it There are several guides out there for openLDAP installation on Ubuntu, and I have tried many of them, and reinstalled the server between tests.
[Code]...
Part 2 Simple way to authenticate Ubuntu clients (just like Windows simple domain model, but Linux)
I have tried to find something similar to Windows client login, but haven't found anything that works. I just need to be pointed to somewhere to read about the authentication model in Linux. I can work out my from there. It must be something very simple I am missing, because when I read som echapters in The Ubunutu Bible, I can't find anything on it.
I'm trying to set up an OpenLDAP server on a clean install of 10.04 server (AMD64). Following the server guide [URL] I get down to the "Setting up ACL" step:
$ ldapsearch -xLLL -b cn=config -D cn=admin,cn=config -W oldDatabase=hdb oldAccess
This command fails with "ldap_bind: Invalid credentials (49)"
When I replace the dn with what it seems like it should be:
$ ldapsearch -xLLL -b cn=config -D cn=admin,dc=example,dc=com -W oldDatabase=hdb oldAccess
I get "No such object (32)"
I have a feeling this is because 10.04 no longer asks you for the admin username and password during the initial debconf (nor does dpkg-reconfigure).
I can continue through the guide using this form of the commands (which were used earlier in the Guide):
$ sudo ldapsearch -Y EXTERNAL -H ldapi:/// -b cn=config olcDatabase=hdb olcAccess
But I'm a little concerned that I'm not able to properly use the admin user to make LDAP changes to the configuration. It also seems like the Server Guide ought to use the 'sudo ... -Y EXTERNAL' form of the commands throughout if cn=admin,cn=config isn't going to work.
I have slapd-server running but it seems to refuse connections in a very odd way. Wireshark shows that everytime JavaEE-client tries to connect, only 2 packages are sent. As I understand, in tcp/ip protocol, the first is just "hello, who's there". The last is just a message consisting of ACK and RST. I think RST means "we're done". At this point I don't think any credentials are checked so I don't know what could be wrong
View 1 Replies View RelatedI'm trying to follow the OpenLDAP docs that are part of the Ubuntu 10.04 Server Guide, listed here:
I get about halfway through, to this command:
sudo ldapadd -x -D cn=admin,dc=example,dc=com -W -f frontend.example.com.ldif
When it asks me to "Enter LDAP Password:" and nothing I have tried works. I thought it might have been "olcRootPW: secret" set in the backend file in the step before, but that isn't working.
I recently followed a tutorial on how to get OpenLDAP running with Samba on Lucid. It worked pretty well.Here's my very frustrating problem with it. For the first 5 - 10 minutes after rebooting, password handling (possibly PAM?) is hosed, including for users in LDAP authenticating via Samba.In fact, I think the only reason I can SSH into the machine during that window is because I happen to have certificate authentication enabled and my client uses that.When I try to do a sudo command after logging in, though, and have to enter the password, it hangs. I've searched logs and haven't come up with much.I *think* it's related to this bug, but I'm not sure.And here's what's killing me ... it's not easy for me to figure out how to ensure that slapd starts before smbd and rsyslog (I read somewhere else that it needs to start before that for some reason) b/c most of the jobs are upstart jobs, but slapd is not.By default it runs at S19 in rc2.d, and I've tried manually lowering that as far as S05 or S07, but I'm still having trouble.
View 1 Replies View RelatedI work for a college with many departments. I'd like to just deploy one LDAP/krb5 server (plus slave replicas) to authenticate all users in all departmentsIs it possible to do this?The proposed DNs for the departments matches what is done for NIS now.If anyone has any pointers or URLs that describe how to properly do this.
View 1 Replies View RelatedI have set up an OpenLDAP server to use as an common address book for my users.
I have all the addresses in a spreadsheet.
Is there a easy way to get this data into LDAP?
Small office... 20-30 computers all windows based. xp/vista/windows 7. 3 Servers running ubuntu 10.04... 1 domain controller, and two file servers with samba. We want to be able to login once in the morning, and then not have to worry about users/passwords at all throughout the day. So I was thinking that I could setup a PDC and then make the two filservers both BDC's and use ldap to authenticate everything. Would this even work out? and is there a better way to do it?
View 9 Replies View RelatedI am planning to deploy an OpenLDAP server in my LAN for basic authentication, but I have no idea how to do it. I would like to know how to configure an OpenLDAP Server, and I would also like to know about knowledge resources, if any.
View 3 Replies View RelatedAfter installing F11, I installed OpenLdap with the command "yum -y install openldap*" And added the password obtained through the command "slappasswd -s password -h {MD5}" into /etc/openldap/slapd.conf. Also, I specified the domain information within the file on "suffix" and "rootdn". I also modified the domain name in both /etc/openldap/ldap.conf and /etc/ldap.conf. I copied the Copied the /usr/share/doc/openldap-servers-2.4.15/DB_CONFIG.example to /var/lib/ldap/DB_CONFIG. Then started the server with the command /etc/rc.d/init.d/ldap start I then was able to create and delete OU's and CN's with the help of ldapadd and ldapdelete. I also created PERSON records using the base.ldif file with the content ;
dn: cn=user1, ou=domain, dc=example, dc=com
objectClass: person
cn: user1
sn: user1
Everything is OK until I try to add a person with an email address in the "mail" attribute. The error message is ;
***************************
adding new entry "cn=user1, ou=domain, dc=example, dc=com
ldap_add: Object class violation (65)
additional info: attribute 'mail' not allowed
***************************
This error message is appearing also with "uid" attribute. I have searched some forums and found some suggestions to include the line
"include /etc/openldap/schema/inetorgperson.scheme" in the file /etcopenldap/slapd.conf, which is already in.
A time ago I've been trying to implement a PDC linux server with Samba and Openldap for centralized authentication for windows and linux clients, but I can NOT get it. So I read somewhere that there is another option called Directory Server and maybe that is possible to do. According to your experience do you recommend any 'how to' or 'tutorial' that will permit implement a PDC server for authenticating and sharing files and printers for windows and linux clients?
View 2 Replies View RelatedI've setup an openldap server, and am trying to add .ldif files to the database.
I am constantly getting the following error, no matter what I do:
Code:
$ su -c 'yum install wine'
this forum won't let me put all the text in Transaction Check Error: package openldap-2.4.21-6.fc13.x86_64 (which is newer than openldap-2.4.21-4.fc13.i686) is already installed package nss-softokn-freebl-3.12.4-19.fc13.x86_64 (which is newer than nss-softokn-freebl-3.12.4-17.fc13.i686) is already installed
I'm seeing really bad user login format under a standard installation and am wondering why ubuntu does this as default. I have noticed that the graphical login for gnome sizes itself to accommodate a user's exact password length. This indicates to me that somewhere on the unencrypted part of a standard installation with user encryption contains at least some indication of the content of the password length which seems a security flaw even if not a complete hole, it majorly reduces the number of attempts a cracker would have to cycle through.
And that's assuming that *only* the length is contained. Furthermore it seems that it would be MUCH better to simply display the number of characters entered into the pw field and allowing the gui to expand itself from an fixed size as the field is filled out so the the user still receives visual feedback for entering characters. Either a simple character count display should be entered into the field or a 10 dot to new line so that one can visually quickly count the number enter by multiplying from a 10base graphical observation.
I am using the sudo command to log on locally as another user by the following command:
sudo -u theotheruser -s
or
sudo -u theotheruser sh
As I see it, this initiates a new shell with the mentioned other user.However, this doesn't load that users profile from his home directory.Is there a way to automatically read the users profile when login in with selected command? I am mostely interested in getting a working prompt when logged in.