Which security measures make sense for a static web site? Then I restart the ssh server on the server and try to log in from the client. I'll try to comment the lines in and see if that changes anything –Camil Staps Jun 13 '13 at 20:17 1 You need to make the permissions more restrictive, typically. Reply Log In to Comment 1 danielsan March 6, 2015 Ok - I found the answer here: https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key-based-authentication-on-a-linux-server In the section called: Disabling Password Authentication on your Server How To Configure
D'oh! Does anyone know what the issue may be? The second ssh session to the same server is working with auth key. My computer - a perfectly ordinary desktop PC - had over 4,000 attempts to guess my password and almost 2,500 break-in attempts in the last week alone. have a peek at these guys
I will try this options and come back later to feedback! –Luis Dalmolin Mar 7 '12 at 14:25 What do you do if you don't see a /var/log/auth.log file? Doing it recursively could seriously bone some applications if you have some group or other access to files, especially if it's a web directory. –StingeyB Jul 18 '12 at 18:41 91 You may also write it down on a piece of paper and keep it in a secure place. Why?
share|improve this answer edited Dec 16 '14 at 15:32 dfuse 1033 answered Dec 10 '13 at 19:51 Eric 1113 add a comment| up vote 1 down vote I've got the same SSH will ignore the file if it does not have restrictive permissions. –Navin Oct 31 '14 at 5:54 this is the best answer! –Bobo Feb 2 '15 at 14:17 current community chat Unix & Linux Unix & Linux Meta your communities Sign up or log in to customize your list. Ssh Force Prompt For Password I checked ~/.ssh/authorized_keys and there is only 1 line so it looks like the key copied over OK.
A question can only have one accepted answer. Then ssh with the -i switch and the path for the identity file. Here are the permission from a user on one of my servers: :~/.ssh$ ls -ld . http://askubuntu.com/questions/307881/ssh-public-key-authentication-doesnt-work Also, some systems use the file authorized_keys2, so it's a good idea to make a hard link pointing between authorized_keys and authorized_keys2, just in case.
to a new hard drive. (You should probably run it on all files in this case. Authentication Refused: Bad Ownership Or Modes For Directory I followed the advice above to review the /var/log/auth.log and saw an error when reading the key. The minimum value is 768 bytes and the default, if you do not use the flag, is 2048 bytes. But it still did not work for us.
Join them; it only takes a minute: Sign up Adding public key to ~/.ssh/authorized_keys does not log me in automatically up vote 236 down vote favorite 84 I added the public news Reply Log In to Comment Have another answer? Passwordless Ssh Not Working Linux Linux User #415691 Ubuntu User #8629 Iowa Team (LoCo): [Wiki] [Launchpad] IRC channel: #ubuntu-us-ia on irc.freenode.net Adv Reply Quick Navigation Networking & Wireless Top Site Areas Settings Private Messages Subscriptions Ssh Asking For Password When It Shouldn't share|improve this answer answered Oct 18 '13 at 9:39 Nim 461311 add a comment| up vote 5 down vote the desperate may also make sure they don't have extra newlines in
If your RSA key has a strong passphrase, it might take your attacker a few hours to guess by brute force. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed You can increase this to 4096 bits with the -b flag (Increasing the bits makes it harder to crack the key by brute force methods). And if yes, how? Ssh Asking For Password Everytime
debug1: Found key in /home/mpiuser/.ssh/known_hosts:1 debug1: ssh_ecdsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: When you log in to a computer, the SSH server uses the public key to "lock" messages in a way that can only be "unlocked" by your private key - this I'm not sure what to do next. Click the Open button to establish a connection.
Earlier I am able to do it on one way. We Did Not Send A Packet, Disable Method Is there a way to turn this on? –Steve Robbins Oct 11 '13 at 18:48 1 Logs might be in /var/log/secure if you don't have a /var/log/auth.log –CoverosGene Jul 17 With this example in mind, using an SSH key works as follows.
Otherwise, you will be prompted in your terminal. Then I log in as root and go to /etc/ssh and edit the sshd_config file, changing these three values. I have set up an RSA key on my box for [email protected] (the basic Kubuntu machine name) and I copied/added the rsa_id_nopass.pub file to the end of the destination server's ~/.ssh/authorized_keys2 Ssh Prompt For Password Iowa BeansHidden!
share|improve this answer answered May 23 '13 at 0:02 Victor 111 1 I triple checked permissions and sshd_config. Intro to Local Encryption Since private keys need to be kept secret to prevent unauthorized access to your Linode, it is recommended that they be encrypted on your local system. btw: the username must not be identical, simply call "ssh [email protected]" to log into another username on the remote machine... Extra background to help anyone with the same situation: I'm connecting from a host running Dropbear to one running OpenSSH.
Message found in /var/log/secure: User not allowed because account is locked Solution: give the user a new password. Look at the authorized_keys file on the server and make sure it has the correct public keys corresponding to the private keys on the client, and make sure it has the more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Fixed the permission, problem solved. –LiuYan 刘研 Jun 13 '15 at 3:41 Failed publickey for root from 18.104.22.168 port 54553 ssh2 I get same message and issue when I
For example, if you maintain a CVS repository, you could add a line like this: command="/usr/bin/cvs server",no-agent-forwarding,no-port-forwarding,no-X11-forwarding,no-user-rc ssh-dss
adduser newuser usermod -aG sudo su - newuser mkdir ~/.ssh chmod 700 ~/.ssh nano ~/.ssh/authorizedkeys Inserted public key chmod 600 ~/.ssh/authorizedkeys chown newuser -R ~/.ssh But when I do the below Last edited by jeenam; 06-07-2007 at 10:38 AM. This is very helpful. Why did my Inquisitor increase the foreign religion?
If you would like to log in from other computers from time to time (such as a friend's PC), make sure you have a strong password. I had created a new key specifically for this task and named it 'rsa_id_nopass.pub' and i am wondering if the '_nopass' part makes a difference. drwx------ 8 lab lab 4.0K Mar 13 08:07 .. -rw------- 1 lab lab 436 Mar 13 08:33 authorized_keys -rw------- 1 lab lab 1.7K Mar 13 07:35 id_rsa -rw-r--r-- 1 lab lab asked 3 years ago viewed 32648 times active 4 days ago Blog How We Make Money at Stack Overflow: 2016 Edition Stack Overflow Podcast #94 - We Don't Care If Bret
You can changing the log level of sshd by modifying /etc/ssh/sshd_config(search LogLevel, set it to DEBUG), then check the output in /var/log/auth.log to see what happened exactly. debug1: Found key in /home/john/.ssh/known_hosts:12 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: The authorized_keys file should have 644 permissions and be owned by the user. Check your files and directories permission on both client and remote chmod 700 /home/user chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys chmod 600 ~/.ssh/config chmod 600 ~/.ssh/privatekey chmod 644 ~/.ssh/publickey.pub It works
Last edited by doc.nice; 05-12-2009 at 03:41 PM. Be sure you save the file on exit. Another alternative is to copy the public key file to the server and concatenate it onto the authorized_keys file manually. Brainfuck Interpreter written in x86 Assembly What makes a good antioxidant?