Re: How to better secure my wireless transmissions on my home WLAN? VPN?
- From: Duane Arnold <notme@xxxxxxxxx>
- Date: Mon, 17 Oct 2005 18:47:04 GMT
"__spc__" <spamtime@xxxxxxxxxxxx> wrote in news:1129560420.782959.166180
@z14g2000cwz.googlegroups.com:
> Thanks for this Duane - the links were useful, and I read them in
> conjunction with the WRT54G user manual which helped greatly.
>
> So, for port forwarding, do I need a static IP address from my ISP - so
> that I know which address to use when accessing the service externally?
>
>
The static IP is for whatever IP/machine on your LAN the traffic for the
inbound port the application on the machine needs open to be forwared to
that IP. Set the NIC on the computer through the Windows O/S to use one
of the router's static IP(s) and not an IP that can be issued through the
DHCP of the router. If the DHCP IP(s) that can be issued are 5 as an
example, then the DHCP IP(s) the router can issue are from 192.168.1.100
through 192.168.1.105. 192.168.1.106 and out are static IP(s) on the
router. The D in DHCP means Dynamic.
So the NIC on the card would be set to *Use the following* IP(s)
IP = 192.168.1.106
Subnet = 255.255.255.0
Gateway = 192.168.1.1 or is know as the router's Device IP.
Use the following DNS IP(s) --- which are the ISP(s) IP(s)
DNS1 = XXX.XXX.XXX.XXX
DNS2 = XXX.XXX.XXX.XXX
You'll find the ISP's DNS IP(S) on one of the router's Admin Screens,
which you'll also see the ISP's IP that has been issued at the time to
the router. The DNS IP(s) are static IP(s) that you'll enter for DNS1 and
DNS2.
If you port forwarded to a machine that uses a DHCP IP, the IP could
change for the machine to something else. But using a static IP like
192.168.1.106 in the above example, the IP for the machine on the LAN
that is being port forwarded to will not change its IP and port
forwarding will always point to 192.168.1.106. because it's static.
That's what is meant by using a static IP on the router is make the
computer's NIC wire or wireless use one of the router's static IP(s) so
that the computer keeps the same IP and it never changes.
Duane :)
.
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