On Tue, Mar 25, 2008 at 12:56:37AM +0200, sara fink wrote:
> My ISP is 012. They claim that they don't block ports and they can't
> block ports. "Something is on my computer. Viruses, spyware,
> firewall". My firewall is disabled. And I am connected through the
> modem only.  Yet only 1 port is open.

Exactly how do you connect to them? By law in Israel, bot BEZEQ and HOT
can not connect you to the Internet. They can only connect you to a
licensed ISP.

In order to get around that, you connect to your ISP using a VPN.
(Virtual private network). In Linux terms, it's over a tunnel.

If you have a cable modem and a willing ISP, you don't need a tunnel,
because HOT can route all of your packets to your ISP. AFAIK, they no
longer will do this for new customers, or old ones that want to change.

The most common way of connecting to an ISP over an aDSL line is via an
L2TP tunnel with a Windows computer being at your end of the tunnel.
Other protocols such as PPOA and PPOE are also used.

The easiest way to handle it IMHO is for the small user to buy a cheap
router and let it handle the tunneling.

I started out with a Pentium 133 as my router when I got a cable modem a
long time ago, and have long since upgraded it. It's not as easy to
maintain, but it gives me more flexibility.

BEZEQ has some deal where you can get a wireless router from them, with
support, for around 10NIS a month, if you commit to two years. If you
are interested don't ask me for details, but please post what you find
out.

 
> What can I do in this case? Proxy client, server on the pc? Use proxy
> from the internet? Port forward? Besides browsing I need the p2p.

I was faced with a similar situation accessing a local government
website in the U.S. For some silly reason, they blocked access to it
from overseas. Their sysadmin must have been on the mailing list I asked
for advice in a week or two it was fixed. :-)

Meanwhile I found out that you can run SSH as a remote SOCKS proxy. If
you can access a system somewhere else with SSH, and they let you, it's
a way of accessing sites blocked to you.

For FireFox there is an add-on called foxyproxy, which picks the proxy
based upon the URL, and for windows there is a public domain SOCKS
tunnel. I have not seen one for Linux, only programs modified to use
SOCKS. If anyone can add anything, I would appriciate it.

Geoff.


-- 
Geoffrey S. Mendelson, Jerusalem, Israel [EMAIL PROTECTED]  N3OWJ/4X1GM

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