[Gllug] Firewalls suddenly blocking port 80? But how? And how can I check with no web access which device?

[general_email at technicalbloke.com]

M.Blackmore wrote:
> Overnight whilst switched off something sinister happened. We lost http
> access on starting up again at 2pm. Email is fine, DNS is allowing
> pinging of say www.bbc.co.uk, and strangely an https:// page that had
> been open of Firefox is responding fine. This is on all computers in the
> house.
>
> Config is a Dynamode ADSL router, going to an IPCop box, and that in
> turn connects to a switch. IPCop is out of the box with passwording,
> Dynamode has just had the password changed but otherwise out of the box,
> been fine for 2 years or more.
>
> 1. How can someone with *very little* command line skill find out which
> box is blocking port 80 if indeed port 80 is being blocked f rom command
> line access as root to the IPCop box?
>
> 2. How can I open up port 80 on IPCop if it has become closed? Where do
> I look?
>
> 3. If it is the Dynamode's firewall that is blocking how can I find that
> out from the IPCop box or another computer?
>
> Anyone got an instruction booklet or a web page they could email me the
> text of for a Dynamode R-ADSL-C4-2, the booklet has disappeared amidst
> structural repair building works :-( so I can't reset it or access it as
> don't remember settings after all this time.
>
> I'm completely stumped on this one ... like totally ... and need some
> spoonfeeding quick or daughter #1 isn't going to get her homework done
> for Monday :-(( and I'm suffering withdrawal symptoms. Like a lot of
> disabled people I have come to rely inordinately on web access to occupy
> my life in the absence of more active pursuits :-<
>
> Many thanks
> Malcolm
>
>   

Steps 1 & 3. Run an ethernet cable from your laptop/desktop straight
into the router.
2 - no idea, sorry! - Maybe it's time to upgrade to a later release ;)

Regards,

Roger.

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