I am trying to install openssh server with public key authentication on CentOS.
But i am getting following error message: Disconnected: No supported authentication method available Server refused keys
My sshd_conf file is as follows:
Im trying to create a public/private key for open ssh, I don't really know what difference between the two. I want it to all be one command and not have to hit enter after each command. Here is what I mean:i type "ssh-keygen"and it asks me were to save, then my paraphrase, then reenter the paraphrase.I just want to be I guess you could say unattended if that makes any sense.
View 1 Replies View RelatedI'm trying to get OpenSSH public key authentication to work. My server runs ubuntu. My client is a windows machine, and I'm using cygwin. I tried using the instructions here: [URL]... If I test it out using this line: ssh -v -v -v -o PreferredAuthentications=publickey server.example.org
I get this:
debug3: no such identity: /home/Julie/.ssh/identity
debug1: Offering public key: /home/Julie/.ssh/id_rsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug3: Wrote 368 bytes for a total of 1477
[Code]...
I would like to replace default OpenSSH version 4.3 with latest one (5.x). New version do support SFTP chroot, which is something I need.Of course, it can be compiled from source, but it is worst possible option for maintenance, since I do have few servers. Does someone provide RPMs or source RPMs at least ? If yes, what is repository/URL ?
View 3 Replies View RelatedI'd like to ask one simple question I can't figure out how to solve.I've set up my public key authentication by generating the public key on my Windows box. Copied that into /root/.ssh/authorized_keysDisabled password authentication in /etc/ssh/sshd_config:
#Port 22
#Protocol 2,1
Protocol 2
[code]...
i have a requirment for giving my ip address a domain name.
can i esteblish a server as dns provider so than i can give a domain name for my own ip address.
i want to give it public not in local network.
I have configured openssh 5.8p2 with centos 5.6. My sftp is working fine with chroot environment but i am having problem with SCP. I am dealing with muliti Redhat servers. When i try to transfer data from other linux server through scp it gives connection refused. For e.g ssh 5.8 is configured on new server and i want to transfer files from old server which is using openssh 4.3 version.i created same username and password on new server as on old server.My sftp users on new server has no shell access but only sftp access. When i try to scp from old server to new server it gives error connection refused. Is the below configuration only for sftp and can't scp? According to google the configurations i found are for scp and sftp. Do i need to generate ssh keys by giving users on new server shell access, once created then stop shell access again, as i dont want to give shell access permanent for security reasons? but i want to use ssh keys for more security as well.
Port 22
PermitRootLogin no
1.override default of no subsystems[code].....
I am trying to build rpm for openssh 5.8p1 on centos 5.6 (32 bit) as i have not found rpm for i386 online. i followed the below mentioned steps but when i apply command rpmbuild -bb openssh.spec it gives this error at the end:
configure error: Pam Headers not found
error: Bad exit status from /var/tmp/rpm-tmp.18348 (%build)
if there is any rpm availble online or to sort out this build problem,Following steps i followed to build rpm. wget http://mirror.mcs.anl.gov/openssh/portable/openssh-5.8p1.tar.gz
tar -xvzf openssh-5.8p1.tar.gz[code]......
Now if you go back into /usr/src/redhat/RPMS/<arch> , you should see three RPMs. Go ahead and install them:rpm -Uvh *.rpm
I'm trying to get openssh-server working so I can stop using the family TV and just SSH from my laptop. I've only just installed 10.4 server edition, and I've made a change to /etc/apt/sources.lst by removing the # in front ofdeb cdrom:[Ubuntu-Server 10.04 LTS Anyway I run:sudo apt-get install openssh-server
Code:
Reading package lists... Done
Building dependancy tree
[code]....
I want to setup SSH with DSA public key authentication between two servers
View 1 Replies View RelatedHow would you assign a server a public static IP ?
Ok.. I guess to better ask my question... how to assign server public static IP centos? Like for example I am in the router itself.. where would I go to point ip 44.33.33.21. to ?> 192.168.1.4
What would be the most common in the routers?
I am running a modem in bridge mode to my server
I edit file /etc/sysconfig/network-scripts/ifcfg-eth0 code...
I do service network restart and get nothing ? No connection... Are there other files I need to edit?
I often run into this and it's such a hassle that I have had no choice but to ignore it. But, I would like to run it properly but I don't understand why my sources list is 'wrong' or has incorrect info so that it's often not verified or authenticated. The public keyring is wrong or the source or both? I get these messages, for e.g.:
# apt-get update && apt-get install dmo-archive-keyring && apt-get update exit with result:
W: GPG error: http://unofficial.debian-maintainers.org squeeze Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9EEBC8DB9B9C3CB6
I probably don't need that but I ran into a similar error trying to authenticate the multimedia keyring. Not sure it worked but I am guessing the system works the same with all the authentications? I hope to understand what I'm doing wrong and what the process is.
I created a private/public pair. I put the public on github.But I can never push to github.Every time, it says public denied. In order to push, I need to do this:eval ssh-agentssh-add ~/.ssh/github_dsaThis is driving me nuts that I have to do this every time. So, I just put it in my ~/.bashrc file. I feel like that's a hack. Is this normal?
View 1 Replies View RelatedI'm trying to connect to my Xubuntu box (zelda) remotely using my RSA key. I'm using Cygwin on my Windows box (link) to SSH in to the Xubuntu box. I've created the key and placed it in the authorized_keys file on my remote box. Here's where it gets weird. When I ssh into zelda the first time, it prompts me for my password. However, if I'm already connected to zelda and try to open another connection, it prompts me for my RSA passphrase. This is very confusing, and I have no idea what's going on.Here's my sshd_config file on zelda.
Code:
# Package generated configuration file
# See the sshd(8) manpage for details
[code]...
After years with Linux and using ssh on a daily basis I have to admit I've never setup public/private key authentication and I've never run passwordless logon to ssh. It's not that I've never tried, I have - I've just never got it working. That to me is an almost alien concept as I am a tinkerer at heart and rarely stop until something is working the way I'd like it to. I get the principle of what's going on but I've always had a mental block about it.
View 3 Replies View RelatedI have a little problem
For years, I've been using SSH with public key authentication to connect to a remote server, and my private key is formatted like this:
Code...
I've tried creating a new key which uses DSA, but I got the same result...
Does anyone know what the cause to this might be?
I've installed it properly until it works now, it does send emails and receive them, but heres the problem.
1) it does not send emails to a certain domain, unless i do dpkg-reconfigure on exim4 and put the domain on allowed relay... can't i just put something on settings which allow to send emails to ALL domains?
2) EVERYONE can connect to the server by telnet from any position, terminal or pc, and just use an existing user to send emails to anyone.... example, i have testuser123 setted up in debian/exim4 .. then they simply write "mail from:testuser123@host.dot" and the server accepts it.. without even request an authentication for that. And this is a problem, because everyone can use my email addresses to send emails to whoever.. heaven for spammers/hackers..
I have an ssh (OpenSSH_5.1p1 Debian-6ubuntu2) client A and a server B set up for public key authentication as described in [URL]
The problem is the following: ssh asks for a password when connecting from A to B without any other ssh session going on between A and B; but if I connect from A to B whenever there is another ssh session between A and B, either I get prompted for the passphrase I used to encrypt the private key or I get logged automatically.
I already checked permissions on B: .ssh is 700 and authorized_keys is 600. I already tried "StrictModes no" in sshd_config. Printing debug information using DEBUG3 does not any useful insight. Moreover, there is no /var/log/secure (is it supposed to be there?)
Right now the computer is far far away from my reach, but when I configured the system I noted that whenever I was locally logged to B and then ssh'ed from A to B, I was logged in without any problem; whenever I was not logged in locally I was asked for a password. Note that at that time I was using a different public/private key pair whose private part had no passphrase.
how to know exactly what cipher is ssh/sshd using for a particular session? Is there a way to know any statistics for a given session (something like the ~s option in section 5 of [URL]
P.S. 2: does the following mean that ssh is using protocol 2.0 or something different than protocol 2.0?
(..........) sshd[2606]: debug1: Enabling compatibility mode for protocol 2.0
So after tinkering for a while, I was able to configure ssh for private/public key authentication and disabled Password-Authentication. In the past I had some issues with people brute force trying passwords/usernames so I want to avoid this, but I need some form of secure FTP that now doesn't work due to the aforementioned setting.
View 2 Replies View RelatedI'm trying to restrict command line ssh and yet keep NoMachine working, so I followed this post [URL]... and tried adding this to /etc/ssh/sshd_config:
AllowUsers nx@*.*.*.* paul@*.*.*.* *@::ffff:127.0.0.1 *@127.0.0.1
On restarting the ssh daemon other users can't login by the terminal, but I can. However, NoMachine won't log me in. I get: NX> 502 ERROR: Public key authentication failed. As a server side check:
[code]...
I have trouble with rsa authentication:
I did create an rsa certificate with ssh-keygen using my root account on a client: ssh-keygen -t rsa -b 2048 no passphrase I did copy the rsa pub_key from my client to the server scp id_rsa sampleuser@sampleserver:/home/sampleuser/.ssh/authorized_keys
I did change the ownership to the "sampleuser" of the pub key file on the server: I trayd to connect:
ssh sampleuser@sapleserver
I get that: permission denied (public key)... I know I do smth wrong but I don't know what.
I am attempting to set up an automatic transfer via sftp using public key authentication. I have created a public/private key pair to connect to the remote server without using a password. I have also been able to use this key pair to login from the command line: sftp -vvv -oPort=<server-side port> user@server.Debug info from interactive command:
Code:
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
[code]...
I already have this setup working in a debian server but I would like to setup the same in CentOS 5.3. I just copied all the configuration files to the CentOS server but I'm getting the following errors in messages:
vsftpd: nss_ldap: reconnecting to LDAP server (sleeping 64 seconds)...
vsftpd: nss_ldap: reconnecting to LDAP server (sleeping 64 seconds)...
crond[24483]: nss_ldap: reconnecting to LDAP server (sleeping 4 seconds)...
crond[24483]: nss_ldap: reconnecting to LDAP server (sleeping 8 seconds)...
crond[24483]: nss_ldap: reconnecting to LDAP server (sleeping 16 seconds)...
crond[24483]: nss_ldap: reconnecting to LDAP server (sleeping 32 seconds)...
[Code]...
I'm running freeradius2-2.1.7-7.el5, on CentOS 5.5. I have gotten all of the authentication setup for active directory and I know that the machine is able to pass requests along to our AD server. However it doesn't appear that freeradius is doing the same. I have been looking at the attached radius -x output for about 2 days now and I have done a ton of searching and have come up relatively empty handed.
View 3 Replies View RelatedI'm new to send mail. I have a server with a public address and domain name. But I only want to implement a small sendmail network on our 20-user LAN. Can I turn my public server into a sendmail server? Are there any simple step-by-step instructions for this?
View 1 Replies View RelatedI'm try to start certificate authentication from my web site..
vhosts.conf for httpd:
<IfModule mod_ssl.c>
<VirtualHost 127.0.0.1:443>
ServerName ca.asu
[Code].....
I am using Samba on the lastest CentOS 5 64bit however the netlogon for windows authentication isn't working.
View 18 Replies View RelatedHow do I turn winbind authentication off or vsftpd. I keep getting these error messages in the /var/log/ secure:vsftpd: pam_winbind(vsftpd:auth): request failed: No such user, PAM error was User not known to the underlying authentication module (10), NT error was NT_STATUS_NO_SUCH_USER.I already tried remarking out different things in the config files. Is it safe to remark out the winbind stuff in /etc/pam.d/system-auth if we are using the smbclient to connect to a Windows share?Why would you want to to use AD to authenticate users for something simple like FTP is beyond me.I merely want it to authenticate against local system users.
View 3 Replies View RelatedI have Windows 2008R2 Server acting as Domain Controller for Windows7/XP clients. and CentOS 5.3 Installed configured as Samba Server, I want to make it as ADS member server so any user to login to any machine, and be able to access their Samba share.
View 3 Replies View Related
