ºÚÁϺ£½Ç91Èë¿Ú

ºÚÁϺ£½Ç91Èë¿Ú Agent Compatibility, System Requirements, and Impacts

Learn about OS compatibility, installation requirements, and changes made to your device during install of the ºÚÁϺ£½Ç91Èë¿Ú Agent.

Make sure you've checked the following things for a successful install:

  • You’re using a supported OS before you install the ºÚÁϺ£½Ç91Èë¿Ú Agent.
  • Find the files and directories used during install to troubleshoot issues.
  • Verify files and directories are installed correctly before you contact Support.

You can review our prospective end of support timelines in Prepare Now for End of Support.

Note:

ºÚÁϺ£½Ç91Èë¿Ú supports iOS devices like iPhones, iPads, and Apple TVs, but the ºÚÁϺ£½Ç91Èë¿Ú Agent is not installed on those devices. See Enrolling iOS Devices in MDM to learn more.

Mac

Supported macOS versions:

  • 15.x Sequoia
  • 14.x Sonoma
  • 13.x Ventura
  • 12.x Monterey
  • Intel and Apple Silicon devices are supported

Considerations:

  • For Mac devices running macOS Monterey and later, the ºÚÁϺ£½Ç91Èë¿Ú Agent requires Full Disk Access Permissions to enable communication with the authentication controls on the device. See Granting Full Disk Access Permissions to the ºÚÁϺ£½Ç91Èë¿Ú Agent for MacOS to learn more.
  • Pre-release or Release Candidate (RC) versions of OS releases aren’t supported.
  • If the ºÚÁϺ£½Ç91Èë¿Ú Agent is installed on an unsupported version, ºÚÁϺ£½Ç91Èë¿Ú neither ensures nor guarantees full or even partial functionality of device management. Furthermore, functionality may or may not work as intended and may be hindered based on future product releases:
    • As of December 31, 2023, ºÚÁϺ£½Ç91Èë¿Ú no longer supports macOS 11.X Big Sur.
    • As of December 15, 2021, ºÚÁϺ£½Ç91Èë¿Ú no longer supports macOS 10.14 Mojave.
    • As of November 30, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports macOS 10.13 High Sierra.
    • As of April 14, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports macOS 10.12 Sierra.

Note:

If an unsupported device is assigned to the ºÚÁϺ£½Ç91Èë¿Ú MDM server in Apple Business Manager (ABM), it will attempt to install the agent, which will generate an error and cause the device to hang at the install screen. The device will need to have the ºÚÁϺ£½Ç91Èë¿Ú MDM server unassigned in ABM. This can be done by removing the ºÚÁϺ£½Ç91Èë¿Ú MDM server from the Default Device Assignment under Device Management Settings or by changing the Device Management settings for the individual device.

Warning:

Do not release the device from ABM. Devices released from ABM need to be re-enrolled using Apple Configurator for iOS. See Apple's Support documentation, to learn more.

Term Definition & Service
Login Password (or User Password)
  1. This is the primary credential that is linked with your keychain and FileVault (if enabled).
  2. This password is used to log in to your local user account in macOS. 
Bootstrap Token
  1. Bootstrap Tokens grant a secure token to mobile or MDM admin accounts.

  2. These won't be created automatically if the first user created is a standard user during MDM enrollment, or if local account creation is skipped entirely.

  3. Only available after MDM enrollment (ºÚÁϺ£½Ç91Èë¿Ú MDM currently doesn't use this feature).

Keychain
  1. Keychains are linked to the user when the user is created.
  2. Shares password with user account.
  3. Keychain password is only available to the user, and not the administrator.
  4. If the keychain password is lost, the user loses access to that keychain, and a new keychain is created.
  5. Keychain passwords can become out of sync two different ways:
    • User login password change outside the Mac. For example, an Active Directory (AD) password change done in AD outside of macOS.
    • User login password reset executed by an administrator on device. 
FileVault (FV)
  1. FileVault is the service that encrypts disks in macOS using an encryption key.
  2. Shares password with the administrator account that enabled it.
  3. This key can become out of sync if the following occurs:
    • A password change via script.
    • AD password change outside the Mac.
  4. You can avoid FV lockouts in the following ways:
    • Having a second administrator on the Mac with a secure token.
    • If the password is changed, store the old password somewhere safe, it can be used to decrypt FV.
  5. Warning: Do not reboot!
    • If you have rebooted, you need another account with a secure token to unlock FV.
    • If you don't have the passwords, or a valid account and password to decrypt the FV volume, you have to use the Recovery Key. 

Changes Made to Your MacOS Device During Installation

Installation Files, Directories, or Settings Locations and Details
Installer Filename jumpcloud-agent.pkg
Launch Daemon com.jumpcloud.darwin-agent
Primary Installation Directory /opt/jc/
Installation and Service Log Directory

/var/log/jc*.log

You can download the most recent 1 MB of logs for a device from the System Details panel by clicking Get system logs. Logs are only available for online devices.

ºÚÁϺ£½Ç91Èë¿Ú Menu Bar App Tray Log Directory ~/Library/Logs/ºÚÁϺ£½Ç91Èë¿Ú
ºÚÁϺ£½Ç91Èë¿Ú Go

These components are installed to support ºÚÁϺ£½Ç91Èë¿Ú Go authentication:

  • LaunchDaemon: /Library/PrivilegedHelperTools/com.jumpcloud.ºÚÁϺ£½Ç91Èë¿ÚGoHelper
  • LaunchAgent: /opt/jc_user_ro/ºÚÁϺ£½Ç91Èë¿ÚGo.xpc
  • Native message host: /opt/jc_user_ro/ºÚÁϺ£½Ç91Èë¿ÚGo-Chrome
  • /Library/Google/Chrome/NativeMessagingHosts/com.jumpcloud.jumpcloudgo.json
  • /Library/LaunchDaemons/com.jumpcloud.ºÚÁϺ£½Ç91Èë¿ÚGoHelper.plist
  • /Library/LaunchAgents/com.jumpcloud.ºÚÁϺ£½Ç91Èë¿ÚGo.plist
Device Trust

The jumpcloud-user-agent application handles actions that must be performed in a user’s context:

  • App location -  /opt/jc_user_ro/jumpcloud-user-agent
  • Log file -  /Users/<username>/Library/Logs/ºÚÁϺ£½Ç91Èë¿Ú/jc-user-agent.log

The log file is present for every user on the device, whether or not the user is managed by ºÚÁϺ£½Ç91Èë¿Ú, because the user-agent runs for each logged-in user. However, the agent will only install and manage certificates for managed users.

User-agent Management

To ensure that the ºÚÁϺ£½Ç91Èë¿Ú user-agent is started when the user logs in and is restarted automatically, the agent installer places a properties list file here:

/Library/LaunchAgents/com.jumpcloud.user-agent.plist

Certificate Management

When the ºÚÁϺ£½Ç91Èë¿Ú user-agent requests new Device Trust certificates for the user, it creates a new MacOS keychain:

/Users/username/Library/Keychains/jumpcloud-device-trust-keychain-db

It stores the password to unlock this keychain in the user’s login keychain in this item: ºÚÁϺ£½Ç91Èë¿Ú Device Trust Keychain Password.

The user-agent imports the Device Trust certificates and private key into this new keychain.

Certificate Auto-Selection for Safari

Safari looks for identity preference settings in the user’s login keychain to automatically select certificates. The user-agent creates identity preferences in the keychain to associate the Device Trust certificate with two ºÚÁϺ£½Ç91Èë¿Ú URLs:

Certificate Auto-Selection for Chrome

On MacOS, Chrome uses a properties list (plist) file to configure certificate auto-selection filters. The user agent will update the user’s current ‘Library/Preferences/com.google.chrome.plist’ file if it’s present or create a new file if it's not.

The auto-selection filters allow Chrome to find a certificate in the keychain to apply to a given URL. The selection filters will match a cert with a Subject Organizational Unit (SUBJECT:OU) of ºÚÁϺ£½Ç91Èë¿Ú Device Trust to two ºÚÁϺ£½Ç91Èë¿Ú URLs:

Custom Login Window

/Library/Preferences/com.apple.loginwindow.plist

/Library/Security/SecurityagentPlugins/jumpcloud-loginwindow.bundle/Contents/Info.plist

TOTP Key Files

When enabled, key files are stored on a per user basis in this directory at this path:

/etc/ssh/jumpcloud_totp/${USER}

ºÚÁϺ£½Ç91Èë¿Ú manages this based on users having uploaded  public keys to ºÚÁϺ£½Ç91Èë¿Ú.

ºÚÁϺ£½Ç91Èë¿Ú-managed Sudo Users

ºÚÁϺ£½Ç91Èë¿Ú enables sudo users by adding those users to:

 /etc/sudoers.d/00-USERNAME-jumpcloud

All ºÚÁϺ£½Ç91Èë¿Ú-managed users will be added to the path. However, non-privileged users will contain a configuration file that explicitly denies sudo privileges.

System Insights OS Query

/opt/jc/bin/jcosqueryi

Note: OS query is only installed when System Insights is enabled.

Additional MacOS Considerations:

Windows

Supported Windows Versions:

  • 10 (64 bit)
  • 11
  • Server: 2012 R2
  • Server: 2016 (64 bit)
  • Server: 2019
  • Server: 2022

Considerations:

  • As of June 16, 2023, the ºÚÁϺ£½Ç91Èë¿Ú Agent will not be updated past version 1.115.1 on 32-bit devices.
  • As of June 16, 2023, the ºÚÁϺ£½Ç91Èë¿Ú tray app will not be updated past version 1.32.0 on 32-bit devices.
  • As of February 18, 2022, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows 8.1.
  • Beginning on May 11, 2021, we only support Windows 10 build 1909 and above. See Microsoft Windows Support documentation,  to learn more.
  • As of June 30, 2020, we don't support the ºÚÁϺ£½Ç91Èë¿Ú Agent on 32-bit devices.
  • As of June 30, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows 8.
  • As of April 14, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows 7 or Windows 2008 + R2.
  • If the ºÚÁϺ£½Ç91Èë¿Ú Agent is installed on an unsupported version, ºÚÁϺ£½Ç91Èë¿Ú neither ensures nor guarantees full or even partial functionality of device management. Furthermore, functionality may or may not work as intended and may be hindered based on future product releases:
    • As of June 16, 2023, the ºÚÁϺ£½Ç91Èë¿Ú Agent won’t be updated past version 1.115.1 on 32-bit devices.
    • As of June 16, 2023, the ºÚÁϺ£½Ç91Èë¿Ú tray app won’t be updated past version 1.32.0 on 32-bit devices.
    • As of February 18, 2022, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows 8.1.
    • Beginning on May 11, 2021, we only support Windows 10 build 1909 and above. See Microsoft’s Support documentation for to learn more.
    • As of June 30, 2020, we don’t support the ºÚÁϺ£½Ç91Èë¿Ú Agent on 32-bit devices.
    • As of June 30, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows 8.
    • As of April 14, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows 7 or Windows 2008 + R2.
  • International versions of Windows are supported. However, certain international character sets may cause the following issues:
    • Cosmetic issues in the Device detail views.
    • Adverse results in Command execution in the Admin Portal.
    • Non-English locales aren’t supported by ºÚÁϺ£½Ç91Èë¿Ú policies.
  • Home versions of Windows are supported in the following ways:
    • The ºÚÁϺ£½Ç91Èë¿Ú Agent can be installed.
    • Conditional access is supported.
    • ºÚÁϺ£½Ç91Èë¿Ú policies and security commands are currently unsupported.
  • Enhanced Security Configuration on Windows Server 2019 blocks our ability to auto-select the certificate in Internet Explorer and certain versions of Edge. Disable Enhanced Security Configuration for users so that they aren’t prompted when accessing ºÚÁϺ£½Ç91Èë¿Ú-managed resources.
  • Release Candidate (RC) versions of O/S releases aren’t supported.
  • The ºÚÁϺ£½Ç91Èë¿Ú Agent isn’t compatible with Duo System Agent Authentication for Windows. 
  • ºÚÁϺ£½Ç91Èë¿Ú no longer supports Windows ARM devices.

Note:

PowerShell is required for Windows agent functionality.

Component Requirement
Disk Usage

166 MB minimum

This includes C++ runtime components

Memory Usage 6 MB minimum
C++ Runtimes MS Visual C++ 2013 Redistributable package (x86_64)

Changes Made to Your Windows Device During Installation

Installation Files, Directories, or Settings Locations and Details
Installer Filename jcagent-msi-signed.msi
SERVICE-NAME jumpcloud-agent
Primary Location of ºÚÁϺ£½Ç91Èë¿Ú Agent

C:\Program Files\ºÚÁϺ£½Ç91Èë¿Ú

Service Log Directory

C:\Windows\Temp\jcagent.log

You can download the most recent 1 MB of logs for a device from the System Details panel by clicking Get system logs. Logs are only available for online devices.

Installation Log Directory

C:\Users\username\AppData\Local\Temp\jcagent.log

The log file lives in the directory for the admin user who installs the agent.

ºÚÁϺ£½Ç91Èë¿Ú Go

These components are installed to support ºÚÁϺ£½Ç91Èë¿Ú Go authentication:

  • C:\Program Files\ºÚÁϺ£½Ç91Èë¿Ú\ºÚÁϺ£½Ç91Èë¿ÚGo\ºÚÁϺ£½Ç91Èë¿ÚGo-Chrome.exe
  • C:\Program Files\ºÚÁϺ£½Ç91Èë¿Ú\ºÚÁϺ£½Ç91Èë¿ÚGo\com.jumpcloud.jumpcloudgo.json
  • HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\NativeMessagingHosts\com.jumpcloud.jumpcloudgo
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Edge\NativeMessagingHosts\com.jumpcloud.jumpcloudgo
Device Trust

The jumpcloud-user-agent application handles actions that must be performed in a user’s context:

  • App location - C:\Program Files\ºÚÁϺ£½Ç91Èë¿Ú\jumpcloud-user-agent\jumpcloud-user-agent.exe
  • Log file -  C:\Users\<username>\AppData\Local\Temp\jc-user-agent.log
ºÚÁϺ£½Ç91Èë¿Ú App Catalog

These components are installed to support ºÚÁϺ£½Ç91Èë¿Ú's App Catalog for Windows:

  • WinGet (Windows Package Manager) winget.exe is installed at C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_[version number]__8wekyb3d8bbwe`
  • Microsoft Visual C++ is installed at %WINDIR%\SysWow64
Certificate Management

The agent and user-agent import certificates into Windows Certificate Stores:

  • The agent imports the root certificate into the System Certificate Store. This action requires administrative privileges, which is why the agent performs this import.
  • The user-agent imports the intermediate certificate into the user’s Intermediate Certificate Store.
  • The user-agent imports the leaf cert and private key into the user’s Personal Certificate Store.
Certificate Auto-Selection for Chrome and Edge

To support certificate auto-selection in Chrome and Edge, the agent creates the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\ 

AutoSelectCertificateForUrls

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge\ 

AutoSelectCertficateForUrls

The agent adds an entry for the ‘’ URL if it doesn't exist.

Registry Keys Added

HKEY_LOCAL_MACHINE\SOFTWARE\ºÚÁϺ£½Ç91Èë¿Ú\ºÚÁϺ£½Ç91Èë¿Ú agent\ConfigFile

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion \Uninstall\{96542816-DAD1-4D02-8363-CA4121E5CAE7}_is1

System Insights OS Query C:\Program Files\ºÚÁϺ£½Ç91Èë¿Ú\jcosqueryi.exe

Additional Windows Considerations:

  • After you create a ºÚÁϺ£½Ç91Èë¿Ú account for a user and the account is active, you can bind the user with a ºÚÁϺ£½Ç91Èë¿Ú-managed Windows device. When you bind a user to a device, we add the user’s account to the following local groups:
    • Standard User Windows Local Groups (for user accounts with no local Admin permissions):
      • Users
      • Remote Desktop Users
    • Admin User Windows Local Groups (for user accounts with local Admin permissions):
      • Admins
      • Users
      • Remote Desktop Users
    • If you manually remove a user account from one of these groups, the Agent on the Windows device restores these associations when you save any changes in the Admin Portal.
  • Windows Live! isn’t supported. See Use Microsoft Accounts with ºÚÁϺ£½Ç91Èë¿Ú to learn more.
  • See ºÚÁϺ£½Ç91Èë¿Ú Agent Port Requirements to learn more.
  • See Add the ºÚÁϺ£½Ç91Èë¿Ú Agent to an Allow List to learn more.

Linux

Core packages are central to the running of a Linux distribution because they contain files for functionality, such as connecting to the Internet, managing and repairing file systems, and the system setup process (e.g. openssh). The packages you’re required to install for the ºÚÁϺ£½Ç91Èë¿Ú Agent to work varies by OS version and are listed in the following table.  

Considerations:

  • Release Candidate (RC) versions of OS releases aren’t supported.
  • If the ºÚÁϺ£½Ç91Èë¿Ú Agent is installed on an unsupported version or combined with a non-default desktop environment, ºÚÁϺ£½Ç91Èë¿Ú neither ensures nor guarantees full or even partial functionality of device management. Furthermore, functionality may or may not work as intended and may be hindered based on future product releases:
    • As of June 30, 2024, ºÚÁϺ£½Ç91Èë¿Ú no longer supports:
      • CentOS 7
      • Debian 10
      • RHEL 7
    • As of December 2023, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Fedora 37.
    • As of June 2023, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Fedora 36.
    • As of December 2022, ºÚÁϺ£½Ç91Èë¿Ú no longer supports:
      • CentOS 8
      • Fedora 35
    • As of September 2022, ºÚÁϺ£½Ç91Èë¿Ú no longer supports:
      • Debian 9
      • Fedora 34
      • Mint 18
      • Ubuntu 21.04
    • As of August 8, 2022, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Amazon Linux 2013 – 2018.
    • As of April 30, 2021, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Ubuntu 16.04.
    • As of November 30, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports:
      • CentOS 6
      • RHEL 6
      • Ubuntu 19.04
    • As of June 30, 2020, ºÚÁϺ£½Ç91Èë¿Ú no longer supports Debian 8 systems.

Supported Linux Versions

Distribution Requirements

Amazon Linux (amd64, arm64): 2, 2023

The following core packages are installed:

  • chkconfig
  • coreutils
  • curl
  • dmidecode
  • glibc-common
  • grep
  • initscripts
  • lsof
  • net-tools
  • nss
  • nss-tools
  • openssl
  • psmisc
  • redhat-lsb-core
  • rpm
  • shadow-utils
  • sudo
  • tar
  • util-linux
  • util-linux-user
  • yum

Debian (amd64, arm64): 11, 12

The following core packages are installed:

  • apt-rdepends
  • apt-show-versions
  • coreutils
  • cron
  • curl
  • dpkg
  • grep
  • hostname
  • libc-bin
  • libnss3 
  • libnss3-tools
  • libpam-runtime
  • libpam-modules
  • lsb-release
  • lsof
  • mawk
  • openssl
  • passwd
  • procps
  • psmisc
  • rsyslog
  • sudo
  • systemd
  • tar

Fedora (amd64): 38, 39, 40

The following core packages are installed:

  • audispd-plugins
  • coreutils
  • curl
  • dnf
  • findutils
  • gawk
  • glibc-common
  • grep
  • lsof
  • net-tools
  • nss
  • nss-tools
  • openssl
  • policycoreutils
  • psmisc
  • redhat-lsb-core
  • rpm
  • rsyslog
  • shadow-utils
  • sudo
  • systemd
  • tar
  • util-linux
  • which
  • yum

Linux Mint (Cinnamon) (amd64): 20, 21

The following core packages are installed:

  • apt-rdepends
  • apt-show-versions
  • coreutils
  • curl
  • dpkg
  • grep
  • hostname
  • libc-bin
  • libnss3 
  • libnss3-tools
  • lsb-release
  • lsof
  • mawk
  • openssl
  • passwd
  • procps
  • sudo
  • sysvinit-utils
  • tar

Pop!_OS (amd64): 22.04

The following core packages are installed:

  • apt-rdepends
  • apt-show-versions
  • coreutils
  • curl
  • dpkg
  • grep
  • hostname
  • libc-bin
  • libnss3-tools
  • lsb-release
  • lsof
  • mawk
  • passwd
  • procps
  • sudo
  • sysvinit-utils
  • tar

RHEL (amd64): 8

RHEL (amd64, arm64): 9

The following core packages are installed:

  • chkconfig
  • coreutils
  • curl
  • dnf
  • findutils
  • gawk
  • glibc-common
  • grep
  • initscripts
  • lsof
  • net-tools
  • nss
  • nss-tools
  • openssl
  • psmisc
  • redhat-lsb-core
  • rpm
  • shadow-utils
  • sudo
  • tar
  • util-linux
  • util-linux-user
  • which
  • yum

Rocky Linux (amd64, arm64): 8, 9

The following core packages are installed:

  • coreutils
  • curl
  • findutils
  • gawk
  • glibc-common
  • grep
  • initscripts
  • lsof
  • net-tools
  • nss-tools
  • policycoreutils
  • psmisc
  • rpm
  • shadow-utils
  • sudo
  • tar
  • util-linux
  • util-linux-user
  • which
  • yum

Ubuntu (amd64, arm64): 18.04, 20.04, 22.04, 24.04

The following core packages are installed:

  • apt-rdepends
  • apt-show-versions
  • coreutils
  • apt-curl
  • dpkg
  • grep
  • hostname
  • libc-bin
  • libnss3 
  • libnss3-tools
  • lsb-release
  • lsof
  • mawk
  • openssl
  • passwd
  • procps
  • sysvinit-utils
  • sudo
  • tar

Linux Installation Requirements

Component Requirement
Disk Usage 21 MB minimum
Memory Usage 5 MB minimum

Changes Made to Your Linux Device During Installation

Installation Files, Directories, or Settings Locations and Details
Installer Filename

jcagent-<os-version-arch>.<deb/rpm>

Installed Services

jcagent, agent-monitor (init.d systems)

Primary Installation Directory

/opt/jc/

Service Control Scripts

The following script lives on Linux devices that use System V init scripts:

/etc/init.d/jcagent

 

All other versions use systemd initialization and will have the following script:

/lib/systemd/system/jcagent.service

The following script is used for ºÚÁϺ£½Ç91Èë¿Ú Go:

/usr/lib/systemd/user/jumpcloud-user-agent.service.

Google Auth PAM Plugin

This is the OS and Arch lib directory, for example: /lib, /lib64, etc.
/security/pam_google_authenticator.so

 

The ºÚÁϺ£½Ç91Èë¿Ú agent adds the following configuration lines to the device's /etc/pam.d/sshd configuration file:

auth required pam_google_authenticator.so nullok user=root secret=/etc/ssh/jumpcloud_totp/${USER}

auth required pam_permit.so

 

These configuration lines are removed when ssh with MFA is disabled. 

Installation and Service Logs

/var/log/jc*

 

You can download the most recent 1 MB of logs for a device from the Device Details panel by clicking Get agent log. Logs are only available for online systems.

Enabling Syslog for the Events API (logging user events)

ºÚÁϺ£½Ç91Èë¿Ú appends a local host address (127.0.0.1:14028) when enabling Syslog for the Events API (logging user events). See Introduction to the Directory Insights API to learn more.

 

/etc/rsyslog.d/jumpcloud.conf

sshd Config File

Contains one or more of the following parameters: [PermitRootLogin, PasswordAuthentication, UsePAM, PubkeyAuthentication, ChallengeResponseAuthentication]. Other config management systems may cause a conflict if it also tries to manage this file.

 

/etc/ssh/sshd_config

TOTP Key Files

When enabled, TOTP key files are stored on a per user basis at this path:

 

/etc/ssh/jumpcloud_totp/${USER}

Sudo Users

ºÚÁϺ£½Ç91Èë¿Ú enables sudo users by adding those users to:

 

 /etc/sudoers.d/00-USERNAME-jumpcloud

 

All ºÚÁϺ£½Ç91Èë¿Ú-managed users will be added to the path. However, non-privileged users will contain a configuration file that explicitly denies sudo privileges.

Authorized Keys

ºÚÁϺ£½Ç91Èë¿Ú manages this based on users having uploaded public keys to ºÚÁϺ£½Ç91Èë¿Ú.

 

/root/.ssh/authorized_keys, /home/${USER} .ssh/authorized_keys

System Insights OS Query Installation Location

/opt/jc/bin/jcosqueryi

ºÚÁϺ£½Ç91Èë¿Ú Go

These components are installed to support ºÚÁϺ£½Ç91Èë¿Ú Go authentication:

  • /opt/jc_user_ro/bin
    • Files: jumpcloudgo-chromejumpcloud-user-agent
  • For each managed user: /home/<username>/.config/systemd/user/default.target.wants
    • File: jumpcloud-user-agent.service
Device Trust

The ºÚÁϺ£½Ç91Èë¿Ú agent handles all Device Trust actions.

 

Certificate Management

The agent imports the Device Trust certificates into a Network Security Services (NSS) SQLite database (one per managed user). The databases are located in the user’s home directory:

  • Certificate database: /home/username/.pki/nssdb/cert9.db
  • Key database: /home/username/.pki/nssdb/key4.db

 If the databases don't exist, the agent creates them.

Certificate Auto-Selection for Chrome

The agent creates a system-wide policy configuration for Chrome in the file ‘/etc/opt/chrome/policies/managed/ºÚÁϺ£½Ç91Èë¿ÚCertificateAutoselect.json’.

 

This file contains ‘AutoSelectCertificateForUrls’ settings that match the ºÚÁϺ£½Ç91Èë¿Ú Device Trust certificate to the following ºÚÁϺ£½Ç91Èë¿Ú URL: https://device-cert.jumpcloud.com.

Additional Linux Considerations:

  • For successfully completing the Linux account takeover, the /home/directory must exist for that user.
  • If it’s not already installed by default, an admin needs to install an OpenSSH server for the specific case where they intend to require MFA to log in via SSH. If MFA is desired over SSH, ensure openssh-server is installed before installing the agent.
  • See Agent Networking and Port Requirements to learn more.

Additional Resources:

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