ZyXEL P-2602HW-D3A User Guide - Page 237
Table 88
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Figure 126 Advanced VPN Policies P-2602H(W)(L)-DxA Series User's Guide The following table describes the fields in this screen. Table 88 Advanced VPN Policies 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 As a VPN setup is processing intensive, the system is vulnerable to Denial of Detection 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. Phase 1 Chapter 17 VPN Screens 237