ZyXEL Communications Prestige 662HW Series, User Manual

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Prestige 662HW Series User’s Guide
VPN Screens 16-15
Figure 16-7 VPN IKE: Advanced Setup
The following table describes the fields in this screen.
Table 16-8 VPN IKE: Advanced Setup
LABEL DESCRIPTION
VPN - IKE
Protocol Enter 1 for ICMP, 6 for TCP, 17 for UDP, etc. 0 is the default and signifies any protocol.
Enable Replay
Protection As a VPN setup is processing intensive, the system is vulnerable to Denial of Service
(DoS) attacks The IPSec receiver can detect and reject old or duplicate packets to protect
against replay attacks. Select
YES from the drop-down menu to enable replay detection,
or select NO to disable it.
Local Start Port 0 is the default and signifies any port. Type a port number from 0 to 65535. Some of the
most common IP ports are: 21, FTP; 53, DNS; 23, Telnet; 80, HTTP; 25, SMTP; 110,
POP3.
End Enter a port number in this field to define a port range. This port number must be greater
than that specified in the previous field. If
Local Start Port is left at 0, End will also
remain at 0.
Remote Start Port 0 is the default and signifies any port. Type a port number from 0 to 65535. Some of the
most common IP ports are: 21, FTP; 53, DNS; 23, Telnet; 80, HTTP; 25, SMTP; 110,
POP3.