ZyXEL P-792H User Guide - Page 165

Configuring Advanced IKE Settings

Page 165 highlights

Chapter 12 VPN 12.4 Configuring Advanced IKE Settings Click Advanced Setup in the VPN Setup-Edit screen to open this screen. Figure 74 Security > VPN > Setup > Edit > Advanced Setup The following table describes the fields in this screen. Table 45 Security > VPN > Setup > Edit > Advanced Setup LABEL DESCRIPTION VPN - IKE - Advanced Setup Protocol Enter 1 for ICMP, 6 for TCP, 17 for UDP, and so on. 0 is the default and signifies any protocol. Enable Replay Detection 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. 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 Remote Start Port is left at 0, End will also remain at 0. P-792H v2 User's Guide 165

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Chapter 12 VPN
P-792H v2 User’s Guide
165
12.4
Configuring Advanced IKE Settings
Click
Advanced Setup
in the
VPN Setup-Edit
screen to open this screen.
Figure 74
Security > VPN > Setup > Edit > Advanced Setup
The following table describes the fields in this screen.
Table 45
Security > VPN > Setup > Edit > Advanced Setup
LABEL
DESCRIPTION
VPN - IKE - Advanced Setup
Protocol
Enter 1 for ICMP, 6 for TCP, 17 for UDP, and so on. 0 is the default and
signifies any protocol.
Enable Replay
Detection
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.
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
Remote Start Port
is left at 0,
End
will also remain at 0.