Secure Computing SG570 Manual do Utilizador Página 313
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If you encounter any problems, reset the device to its factory default settings and
reconfigure. You may wish to use your backed up old configuration as a guide in this
process, but do not restore it directly.
If you are upgrading a device that you do not normally have physical access to, e.g. at a
remote or client's site, we strongly recommend that following the upgrade, you reset the
device to its factory default configuration and reconfigure as a matter of course.
Note
To restore factory default settings, press the black Reset / Erase button on the rear panel
twice.
307
Appendix C – Firmware Upgrade Practices and Precautions
- Secure Computing SnapGear™ 1
- User Manual 1
- Contents 3
- Document Conventions 6
- 1. Introduction 7
- Front panel LEDs 11
- Front panel 11
- Rear panel 12
- Specifications 12
- Bridged mode 13
- Secure by default 14
- Introduction 16
- 2. Getting Started 17
- Unpack the SnapGear unit 18
- Set up the PCs on your LAN 35
- SG PCI Appliance Quick Setup 40
- Automatic configuration 43
- Manual configuration 45
- Backup/restore configuration 48
- 3. Network Setup 49
- Direct Connection 52
- Firewall class 53
- Ethernet configuration 53
- Interface aliases 54
- Manually assign settings 58
- Connection (dial on demand) 59
- Cable Modem 60
- Dialout and ISDN 61
- Dial-in 62
- Connecting a dial-in client 65
- Internet Failover 69
- Edit connection parameters 70
- Internet Load Balancing 74
- Enabling load balancing 75
- High Availability 76
- Enabling high availability 78
- DMZ Network 79
- Configuring a DMZ connection 80
- Services on the DMZ network 80
- Guest Network 81
- Wireless 83
- Basic wireless settings 84
- Security 85
- Wireless security 86
- WEP security method 86
- WEP with 802.1X 87
- WPA-Enterprise 88
- ACL (Access Control List) 88
- Connecting wireless clients 93
- Bridging 97
- Adding a bridge interface 98
- Edit bridge configuration 99
- Adding VLANs 101
- Editing VLANs 102
- Removing VLANs 102
- Port Based VLANs 103
- Adding port based VLANs 105
- GRE Tunnels 107
- GRE over IPSec 108
- Adding a GRE interface 108
- GRE troubleshooting 111
- Static routes 112
- Policy routes 112
- Route management 113
- Hostname 121
- Workgroup/domain 121
- Administrative contact 121
- Device location 121
- DNS proxy 122
- Dynamic DNS 123
- Static hosts 123
- DHCP Server 124
- DHCP addresses 125
- Address list 125
- Reserving IP addresses 127
- DHCP status 127
- DHCP Proxy 128
- Web Cache 129
- Storage 130
- Local storage 130
- Network storage share 131
- ICAP client 134
- Advanced 135
- QoS Traffic Shaping 136
- QoS autoshaper 137
- QoS traffic shaping 137
- Configuring the SIP proxy 140
- 4. Firewall 141
- Administration services 142
- Web Management 143
- SSL/HTTPS (Secure HTTP) 144
- Upload SSL certificates 145
- Create SSL certificates 145
- Customizing the Firewall 146
- Definitions 146
- Service groups 147
- Addresses 148
- Interfaces 149
- Packet Filtering 150
- Rate limiting 152
- Custom firewall rules 154
- Port forwarding 155
- Source NAT 160
- 1-to-1 NAT 163
- Masquerading 164
- Configuring the UPnP Gateway 165
- Connection Tracking 167
- Intrusion Detection 169
- IDB Configuration 170
- Dummy services 171
- Snort and IPS configuration 173
- Enabling access control 177
- User authentication 179
- Browser setup 180
- Web lists 182
- Content filtering 185
- Content or Webwasher? 185
- Webwasher 186
- Content 187
- Antivirus 188
- Enable antivirus 189
- Network share 190
- POP email 193
- Scan all POP email 193
- SMTP email 196
- PPTP and L2TP 200
- PPTP VPN Server 200
- Add a PPTP user account 202
- Windows XP PPTP client setup 205
- L2TP VPN Server 208
- Add an IPSec tunnel 210
- Add an L2TP user account 212
- PPTP and L2TP VPN Client 215
- Quick Setup 218
- Set Up the Branch Office 221
- Tunnel settings page 222
- Local endpoint settings 225
- Other options 226
- Phase 1 settings 230
- Phase 2 settings page 232
- Enable IPSec 233
- Local endpoint settings page 234
- Phase 1 settings page 235
- Tunnel List 236
- NAT Traversal Support 239
- Dynamic DNS Support 239
- Certificate Management 239
- The OpenSSL application 240
- Extracting certificates 240
- Creating certificates 241
- Create a CA certificate 241
- Add certificates 243
- IPSec Failover 244
- IPSec Troubleshooting 253
- Port Tunnels 256
- Tunnel server 257
- Tunnel client 258
- USB Mass Storage Devices 260
- Share the storage device 261
- Set access permissions 261
- Join a Windows workgroup 263
- USB Printers 267
- Set up the print spool 268
- Printer Troubleshooting 273
- 7. System 275
- Network time 276
- Adding an NTP peer 276
- Backup/Restore Configuration 277
- Remote backup/restore 278
- Local backup/restore 278
- Text save/restore 279
- Administrative users 280
- Local Users 282
- TACACS+ 284
- Management 285
- Diagnostics 288
- Local syslog 289
- Remote syslog 289
- Email delivery 290
- Network tests 291
- Packet Capture 291
- Reboot and Reset 292
- Flash upgrade 293
- Netflash 294
- Flash upgrade via HTTP 294
- Flash upgrade via TFTP 294
- Configuration Files 295
- Support 296
- Technical support report 297
- Appendix A – Terminology 298
- Appendix B – System Log 305
- Creating Custom Log Rules 307
- Rate Limiting 310
- Boot Log Messages 311
- Practices and Precautions 312
- Failed Upgrade 314
- Appendix E – System Clock 318
- Appendix F – Null Modem 319
- Administration 319
- Troubleshooting 320
- Appendix G – Command Line 321
- Interface (CLI) 321
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