Security :: Failed SSH Authentication With Radius Server
Jan 26, 2011
I have intalled RADIUS server on one machine which has fedora 10. I have installed freeradius-server-2.1.10 on it(server machine IP 10.150.110.42).
I have one more machine with redhat linux on which i have installed pam_radius-1.3.17(client machine IP 10.150.113.4).
I have done the follwoing configuration at both sides
SERVER SIDE.
users file
"vijay" Auth-Type := Local, Cleartext-Password == "123qwe", NAS-IP-Address == "10.150.113.4"
Reply-Message = "Hello, %u"
[Code]....
Above mentioned is my configuration. when i try to connect client with SSH it is not sending a request for authenticating user to RADIUS server. what else configuration i have to do, or if there are any mistakes in my configuration
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Mar 22, 2016
How to configure Web authentication against RADIUS server on Debian Jessie, because the package libapache2-mod-auth-radius is not available on debian mirrors.
I would like to know what happened to this package and what is the newest way to configure radius auth. Some people have told me to compile this package, but is there not an easier way to do that?
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Jun 25, 2010
this is all I need simple VPN with authentication to external Radius server. Here is what I have done to try and get this goal accomplished. 1st try using PPTPD and Radius plugin No matter what I have tried (long explanation here [URL].. I can't get PPTPD to talk to my Radius server, even though I can authenticate using the same server and radius server using pam radius. PPTPD just won't, and so far the POTOP mail list has been quiet since my post to them and no replies/ideas in my other post, see forum link above.
2nd try using OpenVPN and their pam auth plugin. I give up on this one! I have the server working great BUT! As soon as I enable the plugin /usr/lib/openvpn/openvpn-auth-pam.so in the config I get this when trying to start the VPN server. kernel: [3725586.167177] openvpn[28364]: segfault at 0 ip 00007fd6e5e38fb4 sp 00007fff434f18f0 error 4 in openvpn-auth-pam.so[7fd6e5e38000+3000] Google turns up nothing on Segfaults on the openvpn-auth-pam.so Ug at my wits end, anybody have any other suggestions? I'm at a total loss ATM.
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Sep 25, 2009
i want to authenticate user (client) via switch to the radius server(CentOS)Can anyone tell me the authentication/authorization configuration that should be made in the switch (huawei) and the radius server(centos).Esp. the main files under /etc/raddb/ in the Server& the configuration to be made under the radius server template "test"( as of my case)...
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Apr 5, 2010
I was asked to setup 802.1x Port Based Authentication for users connecting to a Managed Cisco Switch. From what I was told, it should work like this:
- User plugs workstation into switch.
- Workstation asks user for radius credentials.
- Workstation is then able to authenticate to the Radius server.
- After workstation is authenticated, the switchport then becomes unrestricted and allows the workstation to communicate on the network.
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Jun 23, 2010
Im using CenOs 5 and have install a mail system(postfix+dovecot),when I trying to enable selinux for enforcing mode and i'm have some issue, the user authentication failed. How can i to fix this problem?
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Jun 3, 2010
I have installed keberos on my suse machine, but after installation now I am not able to login in it even with the root password. I search over the internet but could not find the solution. What to do now and how to configure Kerberos on a local machine with only local users authentication. I mean client and server both are on the same machine.
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Jun 24, 2010
I'm using FC8 and have installed a mailserver(postfix+dovecot),when I trying to enable the selinux mode to enforcing and i'm have some issue, the user authentication failed.if turn the selinux mode to permissive, then it work right.How can i to fix this problem?
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Jun 29, 2011
When I am trying to run the Xserver using the command startx I am getting the below mentioned error
xauth: creating new authority file /oracle/oracle10g/.serverauth.22555
Fatal server error:PAM authentication failed, cannot start X server. Perhaps you do not have console ownership?
[code]....
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Jul 21, 2010
If your machine is connected to the Internet, you'll probably want to disallow ssh password authentication (which is advised but not mandatory). Edit the /etc/ssh/sshd_config file and change/add the following lines:
PasswordAuthentication no
AllowUsers nx
Don't forget to restart the sshd daemon after making that change: service sshd restart I already have PasswordAuthentication yes in my file as I need it to login to the server through ssh. Do I just skip that line and only add AllowUsers nx mynxuser at the end? Also, I followed the rest of the manual and when I tried the client on Windows it failed: I put in a user and password to login but shouldn't it be using the key instead? I think the problem is related to the above due to:
Quote:
NX> 203 NXSSH running with pid: 1428
NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
[code]...
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Jun 10, 2009
i installed freeradius 2.1.3 on fedora 10 and want to use it with ieee802.1x using peap.when i run command to start radius service in debug mode the following output come
[root@Fedora ~]# radiusd -X FreeRADIUS Version 2.1.3, for host i386-redhat-linux-gnu, built on Dec 8 2008 at 15:31:31 Copyright (C) 1999-2008 The FreeRADIUS server project and contributors. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License v2.
[Code]...
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Mar 22, 2010
I have ubuntu9.10 installed inside windows Thunderbird works ok in windows. When i try to get my email in ubuntu9.10 i get this message. server responded authentication failed.
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Aug 30, 2010
I use snmpv3, and experiencing problem in passwords containing special symbols like "!". For Ex.: snmpwalk -v 3 -a SHA -A xxxxxxx!xx -l authPriv -u user -x DES -X xxxxxxx <IP address/Name of device> -bash: !xx: event not found I also tried using "" before "!" in passwords for ex. xxxxxx!xx, but then I have failed authentication.
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Mar 29, 2011
I made a system in CentOS5.5. I used Tomcat6 and PostgreSQL. But I couldn't enter my system. There are some error. And I don't understand what kind of error this.
JDBCExceptionReporter.logExceptions(100) | SQL Error: 0, SQLState: null
JDBCExceptionReporter.logExceptions(101) | Cannot create PoolableConnectionFactory (FATAL: Ident authentication failed for user "postgres")
"postgres" is username.
Is anybody knows anything about this error message.
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Apr 1, 2016
If I am running a script, let's say a install script. Is there a way to make Su repeat authentication rather then just returning "Authentication failed" and continuing the script?
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Aug 6, 2010
As part of the project I'm working on, I need to set up a server with IPSec authentication only connections to a large number of low bandwidth clients. I'm making use of the PF_KEY interface to populate the keys on the server and while prototyping things I've found that the initial setup is taking longer than I had expected. At the start of my test, entries are being added to the database at a rate of around 30/second, but as time goes on this is dropping significantly. I ran a test up to around 100k entries and by then the rate had dropped to 10/second. It's key to me that if I reboot my server that the Security Associations can be repopulated in a very short period, so I do genuinely need this to be much faster.
Two questions:
1) Does anyone have any experience of running with a large number of SAs set up, and if so what sort of setup rate did you get?
2) Are there things I can do to speed up the provisioning of these SAs? I'd really like to see a rate in the thousands per second.
We've been doing the prototyping on the 2.6 kernel.
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Feb 10, 2011
I'm new in UNIX & trying to access the server using SSH but I encounter this error PAM Authentication Error. I use edit /etc/ssh/sshd_login & set the PermitRootLogin to yes. But didn't work. I used this command ps -ef | grep sshd & saying Process environment requires procfs(5). I don't know what to do now. What I want is access it by SSH but I got Access Denied. [MOD]Pruned from [URL]. create your own thread instead of resurrecting a five year old one.[/MOD]
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Jan 10, 2010
I want to configure SSH key-based authentication and SSH password Authentication in same machine for different user .
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Jan 17, 2011
I need to make a choice on what authentication protocol I want to use for Authentication and Authorization. I was looking at Radius and then literature suggested that Diameter was a better protocol. Keep in mind I need this on a hetrogeneous setup ( linux & windows together). Diameter seemed like a good fit until I discovered that the open source code no longer seems to be maintained ( C/C++).
I was also looking at Kerberos as an option though there is alot overhead with the server. SSL/TLS or EAP? I am looking for simple but secure and am new at the security protocols.
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Jul 28, 2011
Has anyone got experience connecting a linux machine to a Microsoft VPN server using RSA authentication? What puzzles me perhaps most about this topic is the absolute dirth of information. If it is not possible, can anyone tell me why?
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Feb 26, 2010
I followed this How To (https://help.ubuntu.com/community/Postfix) in order to add smtp authentication to my Postfix installation used as spam filter for my exhange server, and it'seem all ok; the only thing that I don't understand is where I list all the users (with passwords) that I authorize to send mail through my server...
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Dec 27, 2010
I need to set up a Radius server for use in an ISP which will be wireless internet only.
I had thought to use Centos maybe and install and somehow configure Freeradius.
I have little experience with Linux, but am a Windows Admin, and use Linux a little.
My questions would be: Is there a best distro that i should use?? I have used Ubuntu the most, but not sure if it is best to use for this project.
Freeradius website has documentation but it doesnt tell me much about how to get it all up and running, What we want is Authentication and Accounting and from what i can see Freeradius is a good option? Is there anything better that i can use? We will be eventually having approximately 5000 clients.
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Jul 19, 2010
Now i am setting up wifi hot spot with this guide. During this set up i got this error, after i type command #sudo radtest "John Doe" hello 127.0.0.1 0 radiussecret "radclient: no response from server for ID 47 socket 3"
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Jul 19, 2010
Now i am setting up wifi hot spot with this guide. During this set up i got this error,after i type command #sudo radtest "John Doe" hello 127.0.0.1 0 radiussecret"radclient: no response from server for ID 47 socket 3"
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Sep 17, 2009
I got a problem with my CentOS server. Somebody told me OpenVPN Requires different changes inside my firewall settings. That could be the problem why openvpn wont load..I receive this error on my CentOS panel when im trying to connect into the centos openvpn (with my winxp pc):
Thu Sep 17 20:31:36 2009 TLS Error: incoming packet authentication failed from 84.xx.62.122:2622
Thu Sep 17 20:31:38 2009 Authenticate/Decrypt packet error: packet HMAC authentication failed
Thu Sep 17 20:31:38 2009 TLS Error: incoming packet authentication failed from 84.xx.62.122:2622
[code]....
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Jul 16, 2010
i have a project from my boss to make radius server on fedora 13 i 686. can u tell the step by step how to build radius server on fedora 13???? thx u for sharing
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Sep 12, 2010
creating a radius server. i need info regarding books or webpages.
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Sep 30, 2010
I have installed FreeRadius to a Debian Linux server.I have configured an account called Support to run the Radius as I didn't want Root to be the user to run this.I want Radius to start up automatically after the system is rebooted but I don't know how to do this. I am new to Linux so please bare with me. If the system is rebooted, is it possible for the Support account to be logged in automatically? Is there a script I can create to automatically login the Support account? This may not be secure but it has been requested. Also the main question is after a reboot can the Radius be configured to automatically start without the need for someone to login? So if the system is rebooted and then goes back to login prompt, can the Radius then be running?
I have had a good search about scripts but with my limited knowledge it isn't too easy.
After reading it also said something about using rc.radiusd which will automatically start Radius after a reboot, but again I cannot understand exactly what I need to do.Please can someone help out with this and let me know if I am on the right track? Will the start-my-radius.sh script work after the system is rebooted without someone actually login and how do I get it to work?Please explain clearly as this is all a bit technical for my liking and not understanding it well!
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May 20, 2010
I've been using Ubuntu since 6.04, not a linux guru by any means but can usually get myself out of trouble.
So, the issue... I installed 8.04 on my mother's laptop some time back as she was having trouble keeping Win 2000 running (she has a low spec no-name generic laptop btw). I live in Autsralia and she in England, i thought i could better support her if she was running Ubuntu... All has been well with 8.04 but with the new LTS release (10.04) i thought i'd talk her through the upgrade... Did the online upgrade via Update Manager, all seemed to go OK but when she went to log on after restart she got an error saying 'authentication failed' even though we are 100% sure we have the user name and password correct... Tried to do a ctrl+alt+F1 to by pass the GUI log on but couldn't get the terminal session to open up, just got a black screen - no command prompt.
So... thought OK re-install... downloaded the ISO, burned and sent her a CD in the post... talked her through the re-install, all seemed to go well (again) - BUT, after restart, couldn't log in "authentication failed" again...
So, remember i'm trying to talk a novice through all this... any thoughts!?!
If i can get her to log in i can then support her via some kind of remote sesion or other screen share... and it wont cost me a small fortune in international calls!!! But if i can't get a log in, i'm dead in the water!?
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Mar 12, 2010
I have a problem with ldap client authentication in ubuntu. I am using rhel5 as openldap server and I configured ubuntu as client, when I am trying to login the following message is coming."su: Authentication service cannot retrieve authentication info. Sorry"
But when I do search through "ldapsearch" command output is coming without any errors, Can anybody explain what would be problem.
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