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Enterprise Desktop at Home with Freeipa and GNOME

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Enterprise Desktop at Home with Freeipa and GNOME Enterprise desktop at home with FreeIPA and GNOME Alexander Bokovoy ([email protected]) January 30th, 2016 FOSDEM’16 Enterprise? Enterprise desktop at home with FreeIPA and GNOME 2 * almost local office network is not managed by a company’s IT department Enterprise desktop at home with FreeIPA and GNOME 3 * almost company services’ hosting is cloudy there is no one cloud to rule them all Enterprise desktop at home with FreeIPA and GNOME 4 I Home-bound identity to access local resources I Cloud-based (social networking) identities I Free Software hats to wear I Certificates and smart cards to present myself legally I Private data to protect and share * almost I have FEW identities: I A corporate identity for services sign-on I want them to be usable at the same time Enterprise desktop at home with FreeIPA and GNOME 5 I Cloud-based (social networking) identities I Free Software hats to wear I Certificates and smart cards to present myself legally I Private data to protect and share * almost I have FEW identities: I A corporate identity for services sign-on I Home-bound identity to access local resources I want them to be usable at the same time Enterprise desktop at home with FreeIPA and GNOME 6 I Free Software hats to wear I Certificates and smart cards to present myself legally I Private data to protect and share * almost I have FEW identities: I A corporate identity for services sign-on I Home-bound identity to access local resources I Cloud-based (social networking) identities I want them to be usable at the same time Enterprise desktop at home with FreeIPA and GNOME 7 I Certificates and smart cards to present myself legally I Private data to protect and share * almost I have FEW identities: I A corporate identity for services sign-on I Home-bound identity to access local resources I Cloud-based (social networking) identities I Free Software hats to wear I want them to be usable at the same time Enterprise desktop at home with FreeIPA and GNOME 8 I Private data to protect and share * almost I have FEW identities: I A corporate identity for services sign-on I Home-bound identity to access local resources I Cloud-based (social networking) identities I Free Software hats to wear I Certificates and smart cards to present myself legally I want them to be usable at the same time Enterprise desktop at home with FreeIPA and GNOME 9 * almost I have FEW identities: I A corporate identity for services sign-on I Home-bound identity to access local resources I Cloud-based (social networking) identities I Free Software hats to wear I Certificates and smart cards to present myself legally I Private data to protect and share I want them to be usable at the same time Enterprise desktop at home with FreeIPA and GNOME 10 I work on FreeIPA, https://www.freeipa.org Management of identities and policies: I stored centrally I applied locally And it is available in: I Fedora I Red Hat Enterprise Linux / CentOS I GNU/Linux Debian and Ubuntu I https://account.gnome.org/ runs FreeIPA since october 2014 Enterprise desktop at home with FreeIPA and GNOME 11 How enterprisey are we? Enterprise desktop at home with FreeIPA and GNOME 12 Let’s score by a password Enterprise desktop at home with FreeIPA and GNOME 13 2. Jump onto virtual private network (enter a password or more) 3. Obtain initial Kerberos credentials (enter a password) 4. Use corporate applications (enter a password?) Let’s score by a password A typical workflow for every laptop reboot 1. Sign into a local system account (enter a password) Enterprise desktop at home with FreeIPA and GNOME 14 3. Obtain initial Kerberos credentials (enter a password) 4. Use corporate applications (enter a password?) Let’s score by a password A typical workflow for every laptop reboot 1. Sign into a local system account (enter a password) 2. Jump onto virtual private network (enter a password or more) Enterprise desktop at home with FreeIPA and GNOME 15 4. Use corporate applications (enter a password?) Let’s score by a password A typical workflow for every laptop reboot 1. Sign into a local system account (enter a password) 2. Jump onto virtual private network (enter a password or more) 3. Obtain initial Kerberos credentials (enter a password) Enterprise desktop at home with FreeIPA and GNOME 16 Let’s score by a password A typical workflow for every laptop reboot 1. Sign into a local system account (enter a password) 2. Jump onto virtual private network (enter a password or more) 3. Obtain initial Kerberos credentials (enter a password) 4. Use corporate applications (enter a password?) Enterprise desktop at home with FreeIPA and GNOME 17 Can we do better than this? how far are we from I Sign into a corporate environment I Use corporate applications ? Enterprise desktop at home with FreeIPA and GNOME 18 Let’s try to login! Demo of interactive logon Enterprise desktop at home with FreeIPA and GNOME 19 I SSSD handles login and Kerberos keys I Login to the system is verified over public network using a proxy for Kerberos protocol I Established VPN connection based on Kerberos ticket I Credentials were entered only once What was that? I The system is configured to be a client for FreeIPA Enterprise desktop at home with FreeIPA and GNOME 20 I Login to the system is verified over public network using a proxy for Kerberos protocol I Established VPN connection based on Kerberos ticket I Credentials were entered only once What was that? I The system is configured to be a client for FreeIPA I SSSD handles login and Kerberos keys Enterprise desktop at home with FreeIPA and GNOME 21 I Established VPN connection based on Kerberos ticket I Credentials were entered only once What was that? I The system is configured to be a client for FreeIPA I SSSD handles login and Kerberos keys I Login to the system is verified over public network using a proxy for Kerberos protocol Enterprise desktop at home with FreeIPA and GNOME 22 I Credentials were entered only once What was that? I The system is configured to be a client for FreeIPA I SSSD handles login and Kerberos keys I Login to the system is verified over public network using a proxy for Kerberos protocol I Established VPN connection based on Kerberos ticket Enterprise desktop at home with FreeIPA and GNOME 23 What was that? I The system is configured to be a client for FreeIPA I SSSD handles login and Kerberos keys I Login to the system is verified over public network using a proxy for Kerberos protocol I Established VPN connection based on Kerberos ticket I Credentials were entered only once Enterprise desktop at home with FreeIPA and GNOME 24 Kerberos proxy Available on the client side with Microsoft Active Directory and MIT Kerberos 1.13 I protocol is called MS-KKDCP I transparent for Kerberos library users Kerberos proxy is implemented by FreeIPA 4.2, OpenConnect Server 7.05, and as a standalone server I Requires HTTPS connection, set up by default in FreeIPA 4.2, very easy to use (one line change on the client) I Allows to obtain tickets from anywhere I SSSD 1.12+ I GNOME project has enabled KDC proxy support in https://account.gnome.org to allow use of Kerberos credentials for SSH accounts for GNOME developers Enterprise desktop at home with FreeIPA and GNOME 25 VPN and Kerberos OpenConnect client supports GSSAPI negotiation I Fedora 22+ works out of the box OpenVPN does not support GSSAPI negotiation I to do since 2005 Could we enforce stronger authentication at a VPN edge? I yes, we are be able to do so with Kerberos 1.14 I no practical implementation in FreeIPA yet Enterprise desktop at home with FreeIPA and GNOME 26 Two-factor authentication FreeIPA 4.x supports 2FA natively I Yubikey, FreeOTP client for Android and iOS, any HOTP/TOTP compatible software and hardware I Two-factor authentication is enforced on Kerberos level I Performs pre-authentication before issuing a ticket I Authentication Indicators are in Kerberos 1.14 I Pre-authentication modules can say how tickets were issued Enterprise desktop at home with FreeIPA and GNOME 27 FreeOTP client for Android and iOS Enterprise desktop at home with FreeIPA and GNOME 28 Figure 1: Demo of interactive logon with 2FA Let’s create a token for a user and logon with 2FA via Yubikey Enterprise desktop at home with FreeIPA and GNOME 29 2. SSSD handles login and notices OTP pre-authentication support in Kerberos conversation 3. Login to the system is verified over public network using a proxy for Kerberos protocol 4. Kerberos ticket is obtained, first factor is provided by SSSD to GDM for unlocking GNOME passwords and keys storage (SeaHorse) 5. Credentials were entered only once What was that? 1. One time password token was programmed to Yubikey and added for the user in FreeIPA Enterprise desktop at home with FreeIPA and GNOME 30 3. Login to the system is verified over public network using a proxy for Kerberos protocol 4. Kerberos ticket is obtained, first factor is provided by SSSD to GDM for unlocking GNOME passwords and keys storage (SeaHorse) 5. Credentials were entered only once What was that? 1. One time password token was programmed to Yubikey and added for the user in FreeIPA 2. SSSD handles login and notices OTP pre-authentication support in Kerberos conversation Enterprise desktop at home with FreeIPA and GNOME 31 4.
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