[Gllug] Help with wifi

Alain Williams addw at phcomp.co.uk
Sat Dec 5 16:31:42 UTC 2009

I have put in a wifi router at my parents' house, it works with
http (port 80), but not https (port 443).

The details:
They are connected to the Internet via broadband provider tiscali/talk-talk.
This connection also gives them television and the set top box has a UTP socket.
Connect a PC to it and you get an IP address like: 80.44.162.XXX.

They wanted more than one PC at a time connected and also Wifi so I got a
TP-LINK TL-WA601G - this has one incoming UTP (that I connect to the set top box)
and 4 outgoing UTPs, one of which is connected to a Ubuntu box - this works
perfectly - I can connect anywhere: ssh, http, https.

The TL-WA601G has a DHCP server, the Ubuntu box gets something in the range that
I set up.

The TL-WA601G also has wifi ability, my sister can connect from her Win XP laptop
and browse the web without issue until, this is the issue, she tries to use
https - at which point the connection times out.

If she plugs her laptop into the TL-WA601G with a UTP cable - it all works,
ie https works as well.

I have not changed any of the NAT/firewall settings from default, I did not
feel the need. I have looked through the settings many times and cannot see anything
that talks about port numbers ... that I set anything.

I am mystified. Why on wifi should port 80 work, but not port 443;
but when directly plugged in - everthing work ?

Any advice gratefully received.


Alain Williams
Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer.
+44 (0) 787 668 0256  http://www.phcomp.co.uk/
Parliament Hill Computers Ltd. Registration Information: http://www.phcomp.co.uk/contact.php
Past chairman of UKUUG: http://www.ukuug.org/
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