Tahoe 684 User Manual page 23

errors and other important data is displayed..
subnet mask and broadcast address. A dynamic ARP may also be
enabled or disabled.
protocol from bridging, when the modem works in the bridge mode.
4.3.13
address translation (NAT, called also "masquerade" - that is giving a
network an access to the Internet using only one real IP address).
should be given:
parameter is omitted, then the entry concerns all source addresses.
this parameter is omitted, then the entry concerns all destination
addresses.
protocol.
packets that initiate the TCP connection). It allows inhibiting the
incoming connections while the returning packets for the outgoing ones
An IP address may be assigned to an interface, together with
The "bridge" parameter allows to include or exclude certain
4.3.13. ipchains
The command is used to control the firewall and the network
ipchains add
ipchains insert
ipchains del
ipchains list
ipchains flush
After the "add", "insert" or "del" option following parameters
-s <source subnet>/<netmask> [port range]
Defines the source addresses which this entry concerns. If this
-d <destination subnet>/<netmask> [port range]
Defines the destination addresses which this entry concerns. If
-p <protocol> (optional)
Optionally the application of this rule may be limited to a certain
-y (optional)
The rule may be applied to the TCP SYN packets only (i.e. the
- adds an entry at the end of the list
- adds an entry at the beginning of the list
- removes an entry
- displays current settings
- removes all entries from the list
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