Alcatel Speed Touch Wireless, User Manual

Page: 238 / 362

13 NetworkingServices - Firewalling
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3EC 17766 AAAA TCZZA Ed. 01
The followinghooks, or PIPs can be determined (See Firewall
model):
"
Input : The point of all incomingtraffic
At this point it can be determined whether the packet is
allowed to reach the STWireless IP router, or the local host.
"
Sink : The point of all traffic destined to the STWireless IP
router
At this point it can be determined whether the packet is
allowed to address the local host.
"
Forward : The point of all traffic to be forwarded by the
STWireless
At this point it can be determined whether the packet is
allowed to be handled, i.e. routed, by the STWireless IP
router.
"
Source : The point of all traffic sourced by the STWireless IP
router
At this point it can be determined whether the packet is
allowed to leave the local host.
"
Output : The point of all outgoing traffic
At this point it can be determined whether the packet is
allowed to leave the STWireless IP router, or local host.
The followingstreams (See Firewall model) can run through the
PIPs:
"
(1) Input -> Sink : The flow of packets exclusively destined
to the STWireless .
"
(2) Source-> Output : The flow of packets sourced
exclusively by the STWireless itself
"
(3) Input -> Forward -> Output : The flow of packets
sourced by the WAN, forwarded towards the local network, or
vice versa.