ZyXEL Communications P-334W manual 13

		Prestige 334W User’s Guide
13.3	The Firewall, NAT and Remote Management .....................................................................	13-5
13.3.1	LAN-to-WAN rules .............................................................................................................	13-5
13.3.2	WAN-to-LAN rules .............................................................................................................	13-5
13.4	Configuring Content Filtering ..............................................................................................	13-6
13.5	Services....................................................................................................................................	13-8
Remote Management and VPN/IPSec...........................................................................................................		V
Chapter 14 Remote Management Screens ...............................................................................................		14-1
14.1	Remote Management Overview ............................................................................................	14-1
14.1.1	Remote Management Limitations ........................................................................................	14-2
14.1.2 Remote Management and NAT............................................................................................		14-2
14.1.3	System Timeout ...................................................................................................................	14-2
14.2	Configuring WWW................................................................................................................	14-2
14.3	Configuring Telnet .................................................................................................................	14-4
14.4	Configuring TELNET............................................................................................................	14-4
14.5	Configuring FTP ....................................................................................................................	14-6
14.6	SNMP ......................................................................................................................................	14-7
14.6.1	Supported MIBs ...................................................................................................................	14-9
14.6.2	SNMP Traps.........................................................................................................................	14-9
14.6.3	Configuring SNMP ............................................................................................................	14-10
14.7	Configuring DNS...................................................................................................................	14-11
14.8	Configuring Security............................................................................................................	14-13
Chapter 15 Introduction to IPSec.............................................................................................................		15-1
15.1	VPN Overview ........................................................................................................................	15-1
15.1.1	IPSec ....................................................................................................................................	15-1
15.1.2	Security Association.............................................................................................................	15-1
15.1.3	Other Terminology...............................................................................................................	15-1
15.1.4	VPN Applications ................................................................................................................	15-2
15.2	IPSec Architecture..................................................................................................................	15-3
15.2.1	IPSec Algorithms .................................................................................................................	15-3
15.2.2	Key Management .................................................................................................................	15-4
15.3	Encapsulation .........................................................................................................................	15-4
15.3.1	Transport Mode....................................................................................................................	15-4
15.3.2	Tunnel Mode ........................................................................................................................	15-4
15.4	IPSec and NAT .......................................................................................................................	15-5
Chapter 16 VPN Screens ...........................................................................................................................		16-1
16.1	VPN/IPSec Overview .............................................................................................................	16-1
16.2	IPSec Algorithms....................................................................................................................	16-1
16.2.1 AH (Authentication Header) Protocol..................................................................................		16-1
16.2.2 ESP (Encapsulating Security Payload) Protocol ..................................................................		16-2
16.3	My IP Address ........................................................................................................................	16-2
16.4	Secure Gateway Address........................................................................................................	16-2

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