| Type |  Book |
| ชื่อเรื่อง | Guide to firewalls and network security : intrusion detection and VPNs / Greg Holden |
| ผู้แต่ง | Holden, Greg |
| ISBN | 0619130393 |
| | 0619130393 (pbk.) |
| | 9780619130398 |
| พิมพลักษณ์ | [Boston, Mass.] : Thomson/Course Technology, c2004 |
| รูปเล่ม | xx, 433 p. : ill., tables |
| หัวเรื่อง | Computer networks --Security measures [] |
| | Computer networks --Security measures --Problems, exercises, etc [] |
| | Computer networks --Security measures --Problems, exercises, etc [] |
| | Firewalls (Computer security) |
| | Extranets (Computer networks) |
| | Firewall (Computer security) |
| | Firewall (Computer security) --Problems, exercises, etc [] |
| | Firewalls (Computer security) --Problems, exercises, etc [] |
| | Firewalls (Computer security) --Problems, exercises, etc [] |