Red Hat NETSCAPE MANAGEMENT SYSTEM 4.5 User Manual Page 193
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Configuring and Running Virtual Machines
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Authentication and Security Features
This section contains the following:
• Authenticating Users on page 193
• Default Permissions on page 194
• TCP/IP Ports for Management Access on page 194
There are three key aspects to security with VMware ESX Server.
• VMware ESX Server authenticates all remote users who connect to a server using
the VMware Management Interface or the remote console.
• Security for network traffic to and from the server depends on the security
settings in the server configuration.
• Three or more TCP/IP ports are used for access, depending on the security
settings in your ESX Server configuration.
Depending on your remote access requirements, you may need to configure
your firewall to allow access on one or more of these ports. For details on which
ports are used, see TCP/IP Ports for Management Access on page 194.
Authenticating Users
VMware ESX Server uses Pluggable Authentication Modules (PAM) for user
authentication in the remote console and the VMware Management Interface. The
default installation of ESX Server uses /etc/passwd authentication, just as Linux
does, but it can easily be configured to use LDAP, NIS, Kerberos or another distributed
authentication mechanism.
The PAM configuration is in /etc/pam.d/vmware-authd.
Every time a connection is made to the server running VMware ESX Server, the
inetd process runs an instance of the VMware authentication daemon
(vmware-authd). The vmware-authd process requests a user name and
password, then hands them off to PAM, which performs the authentication.
Once a user is authenticated, vmware-authd accepts a path name to a virtual
machine configuration file. Access to the configuration file is restricted in the
following ways:
• The user must have read access to the configuration file to see and control the
virtual machine in the VMware Management Interface and to view the Details
and Event Log pages.
- VMware ESX Server 1
- VMware, Inc 2
- 3145 Porter Drive 2
- Palo Alto, CA 94304 2
- Table of Contents 3
- Welcome to VMware ESX Server 13
- What’s New in Version 1.5 15
- System Requirements 17
- Legacy Devices 21
- Technical Support Resources 22
- Installing, Configuring and 25
- Upgrading ESX Server 25
- ESX Server 26
- Before You Begin 28
- Installing VMware ESX Server 28
- Your Server 33
- 7. Click Perform Action 54
- GSX Server Virtual Machines 71
- Preparing to Use the Remote 79
- Management Software 79
- Linux – RPM Installer 81
- Linux – Tar Installer 81
- Remote Console on page 114 82
- Workstation 84
- Using the VMware Management 94
- Interface 94
- Management Interface 99
- Running VMware ESX Server 105
- Management Interface window 105
- Using Disk Modes 108
- Monitoring System Status 109
- Using the Remote Console 114
- VMware Tools Settings 117
- Cutting, Copying and Pasting 119
- Using SNMP with ESX Server 125
- Configuring SNMP Security 132
- Name Data type Description 139
- Backing Up Virtual Machines 140
- Operating Systems 144
- Guest Operating System 147
- Guest Operating Systems 149
- To enable expert mode, 154
- To enable expert mode, … 156
- Service 167
- Console Operating System and 169
- VMkernel 169
- Operating System 171
- The VMkernel Loader 173
- VMkernel Device Modules 174
- Machines 179
- Configuring Virtual Machines 181
- Using VMkernel Devices 182
- Modifying the SMBIOS UUID 187
- Enabling Repeatable Resumes 191
- Authenticating Users 193
- Default Permissions 194
- Using vmkfstools 199
- Naming VMFS File Systems 205
- Determining SCSI Target IDs 208
- Sharing the SCSI Bus 210
- Using Storage Area Networks 212
- Networking 215
- Promiscuous Mode 222
- Sharing Network Adapters and 224
- Virtual Networks 224
- Performance Tuning for Heavy 228
- Network Loads 228
- Resource Management 231
- CPU Resource Management 234
- Multiprocessor Systems 235
- Memory Resource Management 239
- Admission Control 240
- Dynamic Allocation 240
- Memory Reclamation 241
- Memory Sharing 242
- Sizing Memory on the Server 249
- Virtual Machine Memory 250
- Memory Overcommitment 251
- More Information 252
- Network Bandwidth Management 253
- Disk Bandwidth Management 257
- Configuration File Options 258
- Glossary 261
- Appendix A: I/O Adapter 265
- Compatibility Guide 265
- Linux Driver Compatibility 267
- VMware Certification 267
- Adaptec SCSI Adapters 268
- Emulex Fibre Channel Adapters 272
- QLogic Fibre Channel Adapters 272
- Compaq RAID Controllers 272
- Mylex DAC960 RAID Controllers 273
- Intel Gigabit Ethernet NICs 277
- The OpenSSL Toolkit License 280
- License Issues 280
- Original SSLeay License 281
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