problem with port forwarding
Linux for blind general discussion
blinux-list at redhat.com
Thu Nov 9 05:24:36 UTC 2017
Willem here.
Once you know what your outside ip address is, do a portscan (using nmap)
from the outside to see if the relevant port 80 or whatever you used, is
open.. All home type adsl routers I have worked with, by default has all
incoming connections from the outside blocked as that is what most people
require.
I would think you would need to specifically open port 80 on your router,
and then add a nat entry as Tim described below.
HTH, Willem
On Wed, 8 Nov 2017, Linux for blind general discussion wrote:
> Tim here. The first thing to check would be if other devices internal
> to your network can connect to the server by IP address. Maybe a
> phone on your home wifi, point it at your server's IP address like
>
> http://192.168.1.72
>
> If you *don't* get a page, your web server may be listening only on
> the loopback (127.0.0.1) address instead of on an external IP
> address. Tweak your config to listen on your network-facing address.
>
> If you *do* get a page from your other device, then your server is
> good and your NAT port-redirection is likely the issue. If you've
> double-checked your router to ensure that your external port 80 is
> pointed to port 80 on your internal server machine, then your ISP may
> be blocking inbound HTTP traffic. Sometimes you can call up your ISP
> and tell them to stop; sometimes they want to charge you for it. If
> you don't want to pay, you can specify some alternate external port
> such as 8888 and then configure your router to point port 8888 to
> your internal port 80. Then from offsite, you'd visit your external
> IP address colon 8888 such as
>
> http://153.42.18.12:8888
>
> You might have to glean your external/WAN IP address from an off-site
> tool (like searching Duck Duck Go for "what's my IP address") or your
> router's management page.
>
> -tim
>
> On November 8, 2017, Linux for blind general discussion wrote:
>> Hi.
>> I'm trying to create a web server here at home.
>> I can access it by typing the local ip adress, but I can't access it
>> from the outside.
>> what can this be? I've added http in port forwarding.
>>
>> --
>> Kristoffer Gustafsson
>> Salängsgatan 7a
>> tel:033-12 60 93
>> mobil: 0730-500934
>>
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