Options
Respond to ICMP |
The ICMP protocol is used by the "ping" and "traceroute" programs, and by network monitoring and diagnostic programs.
- If checked, the Broadband Router will repond to ICMP packets received from the Internet.
- If not checked, ICMP packets from the Internet will be ignored. Disabling this option provides a slight increase in security.
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Allow IPsec |
The IPSec protocol is used to establish a secure connection, and is widely used by VPN (Virtual Private Networking)
programs.
- If checked, IPSec connections are allowed.
- If not checked, IPSec connections are blocked.
- IPSec sessions must NOT use AH (Authentication Header). Packets using AH cannot be routed correctly.
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Allow PPTP |
PPTP (Point to Point Tunneling Protocol) is widely used by VPN (Virtual Private Networking)
programs.
- If checked, PPTP connections are allowed.
- If not checked, PPTP connections are blocked.
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Allow L2TP |
L2TP is a protocol developed by Cisco for VPNs (Virtual Private Networks).
- If checked, L2TP connections are allowed.
- If not checked, L2TP connections are blocked.
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Allow TFTP firmware upgrade |
- If enabled, TFTP (Trivial FTP) connections can be made to this device.
- TFTP can be used to upgrade the firmware. This is normally not required, and should not be enabled unless necessary.
- You must obtain the firmware upgrade file first; instructions for using TFTP will be available with the upgrade.
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