I've seen a lot of these hints on the Internet, but most of them didn't work for me. This is how I managed to print to a shared Windows printer. We'll start by opening System Preferences, where we chose the Print & Fax preference pane. There you should see a list with all the printers you've. You cannot use the HSRP MAC address burned-in option on a VLAN interface that is a vPC member. If you have not configured authentication, the show hsrp command displays the following string: Authentication text 'cisco' This is the default behavior of HSRP as defined in RFC 2281: If no authentication data is configured, the RECOMMENDED default.
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This article is intended for system administrators who set security policy in enterprise environments that require smart card authentication.
Enable smart card-only login
Make sure that you carefully follow these steps to ensure that users will be able to log in to the computer.
- Pair a smart card to an admin user account or configure Attribute Matching.
- If you’ve enabled strict certificate checks, install any root certificates or intermediates that are required.
- Confirm that you can log in to an administrator account using a smart card.
- Install a smart-card configuration profile that includes '<key>enforceSmartCard</key><true/>,' as shown in the smart card-only configuration profile below.
- Confirm that you can still log in using a smart card.
For more information about smart card payload settings, see the Apple Configuration Profile Reference.
For more information about using smart card services, see the macOS Deployment Guide or open Terminal and enter
man SmartCardServices
.Disable smart card-only authentication
If you manually manage the profiles that are installed on the computer, you can remove the smart card-only profile in two ways. You can use the Profiles pane of System Preferences, or you can use the /usr/bin/profiles command-line tool. For more information, open Terminal and enter
man profiles
.If your client computers are enrolled in Mobile Device Management (MDM), you can restore password-based authentication. To do this, remove the smart card configuration profile that enables the smart card-only restriction from the client computers.
To prevent users from being locked out of their account, remove the enforceSmartCard profile before you unpair a smart card or disable attribute matching. If a user is locked out of their account, remove the configuration profile to fix the issue.
If you apply the smart card-only policy before you enable smart card-only authentication, a user can get locked out of their computer. Open server download for mac. To fix this issue, remove the smart card-only policy:
- Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery. Release the keys when you see the Apple logo, a spinning globe, or a prompt for a firmware password.
- Select Disk Utility from the Utilities window, then click Continue.
- From the Disk Utility sidebar, select the volume that you're using, then choose File > Mount from the menu bar. (If the volume is already mounted, this option is dimmed.) Then enter your administrator password when prompted.
- Quit Disk Utility.
- Choose Terminal from the Utilities menu in the menu bar.
- Delete the Configuration Profile Repository. To do this, open Terminal and enter the following commands.
In these commands, replace <volumename> with the name of the macOS volume where the profile settings were installed.rm /Volumes/<volumename>/var/db/ConfigurationProfiles/MDM_ComputerPrefs.plist
rm /Volumes/<volumename>/var/db/ConfigurationProfiles/.profilesAreInstalled
rm /Volumes/<volumename>/var/db/ConfigurationProfiles/Settings/.profilesAreInstalled
rm /Volumes/<volumename>/var/db/ConfigurationProfiles/Store/ConfigProfiles.binary
rm /Volumes/<volumename>/var/db/ConfigurationProfiles/Setup/.profileSetupDone
- When done, choose Apple () menu > Restart.
- Reinstall all the configuration profiles that existed before you enabled smart card-only authentication.
Configure Secure Shell Daemon (SSHD) to support smart card-only authentication
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Users can use their smart card to authenticate over SSH to the local computer or to remote computers that are correctly configured. Follow these steps to configure SSHD on a computer so that it supports smart card authentication.
Update the /etc/ssh/sshd_config file:
- Use the following command to back up the sshd_config file:
sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config_backup_`date '+%Y-%m-%d_%H:%M'`
- In the sshd_config file, change '#ChallengeResponseAuthentication yes' to 'ChallengeResponseAuthentication no' and change '#PasswordAuthentication yes' to '#PasswordAuthentication no.'
Then, use the following commands to restart SSHD:
sudo launchctl stop com.openssh.sshd
sudo launchctl start com.openssh.sshd
If a user wants to authenticate SSH sessions using a smart card, have them follow these steps:
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- Use the following command to export the public key from their smart card:
ssh-keygen -D /usr/lib/ssh-keychain.dylib
- Add the public key from the previous step to the ~/.ssh/authorized_keys file on the target computer.
- Use the following command to back up the ssh_config file:
sudo cp /etc/ssh/ssh_config /etc/ssh/ssh_config_backup_`date '+%Y-%m-%d_%H:%M'`
- In the/etc/ssh/ssh_config file, add the line 'PKCS11Provider=/usr/lib/ssh-keychain.dylib.'
If the user wants to, they can also use the following command to add the private key to their ssh-agent:
ssh-add -s /usr/lib/ssh-keychain.dylib
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Enable smart card-only for the SUDO command
Use the following command to back up the /etc/pam.d/sudo file:
sudo cp /etc/pam.d/sudo /etc/pam.d/sudo_backup_`date '+%Y-%m-%d_%H:%M'`
Android tap and go download for samsung galaxy s6. Then, replace all of the contents of the /etc/pam.d/sudo file with the following text:
Enable smart card-only for the LOGIN command
Best apps to buy for macos. Use the following command to back up the /etc/pam.d/login file:
sudo cp /etc/pam.d/login /etc/pam.d/login_backup_`date '+%Y-%m-%d_%H:%M'`
Then, replace all of the contents of the/etc/pam.d/login file with the following text:
Enable smart card-only for the SU command
Use the following command to back up the /etc/pam.d/su file:
sudo cp /etc/pam.d/su /etc/pam.d/su_backup_`date '+%Y-%m-%d_%H:%M'`
Then, replace all of the contents of the/etc/pam.d/su file with the following text:
Sample smart card-only configuration profile
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Here’s a sample smart card-only configuration profile. You can use it to see the kinds of keys and strings that this type of profile includes.
If you have a USB printer available, then one of the easiest ways to make it a communal printer is to share it on the network. However, there may be times when in attempting to print to such printers, you see your print job spool to the device, but it then sits in your print queue with a small message that states something about the job being on hold with authentication required.
This issue may happen for several reasons, and generally can be fixed with a few quick adjustments:
1. Check your shared printer permissions
On the system that is sharing the printer to the rest of the network, go to the Sharing system preferences and choose the Printer Sharing service. In here, select your shared printer and then check to see what users are allowed to print. By default this should be set to Everyone. If not, then you will be required to supply credentials in order to print to this system from another one. Try adjusting these values, initially by removing any specified users so “Everyone” is the default again, and then adding back any restrictions you wish after you get the printer working.
Check this area for your selected shared printer, to determine if there are any restrictions on printing. Everyone means anyone on your local network can print, and should be able to do so without restriction.
2. Manually refresh the print jobTo the right of your print job in the print queue window you should see round gray buttons for stopping the job and refreshing it. Click the one to refresh the job, and hopefully this will spur the networked system to accept any previously stored credentials for connecting to your printer.
3. Remove keychain entries for your printer
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Being a network resource, if your printer requires credentials to connect, then when you initially set up your printers, your Mac will have stored the credentials in your keychain. If these entries are faulty in any way, then they may hinder your Mac’s ability to authenticate automatically. Therefore, on the Mac that cannot connect, open the Keychain Access utility and perform a search for your shared printer’s name. Select and remove any entry that shows up in your search. Then try printing again, and you should be prompted to authenticate. Now again give your credentials and optionally choose to store them in your keychain.
Mac sierra 10.13 download. 4. Delete and re-add your printer with a different name
This problem may be with how your Mac is resolving the name and address of the shared printer on the network, so one approach for fixing this may be to remove the printer, and then re-add it. You can do this on the client Mac that is trying to send the print job, and also with the server Mac that is receiving it.
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One approach that might be beneficial here is to simply reset the print system, and then add your printers back. This will give you a fresh factory-default printer configuration to use, which will clear out any nuance changes you might have made to the printer setup which may be affecting your ability to authenticate. To do this, in the Print & Scan system preferences, right-click the printer list and then choose the option to reset the print system.