settings (see chapter 3.3, General settings, page 49). Note: Enabling 3D acceleration may expose security holes to malicious soft- ware running the guest. The third-party code that VirtualBox uses for this VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management line by typing gpedit.msc, open the key Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options and change the value of Accounts: Limit local account use of blank passwords

hosts . . . . . . . . 191 13 Security guide 192 13.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 13.1.1 General Security Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 193 13.3 Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

. . 185 12.7.2 VM aborts with out of memory errors on Solaris 10 hosts . . . . . . . . 185 13 Security guide 187 13.1 Potentially insecure operations . . . . . . . . . . . . . . . . . . . . . . . . settings (see chapter 3.3, General settings, page 43). Note: Enabling 3D acceleration may expose security holes to malicious software running in the guest. The third-party code that VirtualBox uses for VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

. . 177 12.7.2 VM aborts with out of memory errors on Solaris 10 hosts . . . . . . . . 177 13 Security considerations 179 13.1 Potentially insecure operations . . . . . . . . . . . . . . . . . . . settings (see chapter 3.3, General settings, page 42). Note: Enabling 3D acceleration may expose security holes to malicious software running in the guest. The third-party code that VirtualBox uses for VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

. . 176 12.7.2 VM aborts with out of memory errors on Solaris 10 hosts . . . . . . . . 176 13 Security considerations 178 13.1 Potentially insecure operations . . . . . . . . . . . . . . . . . . . settings (see chapter 3.3, General settings, page 42). Note: Enabling 3D acceleration may expose security holes to malicious software running in the guest. The third-party code that VirtualBox uses for VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

. . 175 12.7.2 VM aborts with out of memory errors on Solaris 10 hosts . . . . . . . . 175 13 Security considerations 177 13.1 Potentially insecure operations . . . . . . . . . . . . . . . . . . . settings (see chapter 3.3, General settings, page 42). Note: Enabling 3D acceleration may expose security holes to malicious software running in the guest. The third-party code that VirtualBox uses for VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

hosts . . . . . . . . 218 13 Security guide 219 13.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219 13.1.1 General Security Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 220 13.3 Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

hosts . . . . . . . . 205 13 Security guide 206 13.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 13.1.1 General Security Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 207 13.3 Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

. . . . 204 7 Contents 13 Security guide 205 13.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 13.1.1 General Security Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 206 13.3 Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management

hosts . . . . . . . . 205 13 Security guide 206 13.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 13.1.1 General Security Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 207 13.3 Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . VirtualBox 2.2 or later. When started from a Linux guest, this tool requires root privileges for security reasons: $ sudo VBoxControl guestproperty enumerate VirtualBox Guest Additions Command Line Management