[ProgSoc] NAT and Telstra ADSL

[alister air <baitoven@nospam.progsoc.uts.edu.au>]

Hi,

I'm setting up a NAT network using a Telstra ADSL connection as my
gateway, under Windows 2000.  Simple, you'd think.  But here's the
interesting part.

Telstra's ADSL software creates three LAN connections.  The first is the
local network's NIC, the second is the NIC that connects to the DSL modem
and the third is a virtual NIC for PPPoE.  All well and good so
far... sharing in the normal W2K way is easy enough, and clients are set
to get their IP addresses automatically via DHCP.

Clients can now connect to the internet, as I can trace from a client on
the private network to a site on the internet.  However, clients can *not*
establish a connection via HTTP, SMTP, POP3, FTP, IMAP4, or any other
protocol.  DNS lookups work, as trying to connecct to a web site resolves
the name to the address, but then times out.  Downloading and installing a
proxy server then allows HTTP and FTP connections, and I could set it up
to do email, although it's messy.  The NAT should not require a
proxy.  The previous connection was my modem, which didn't.

Anyone got any ideas as to why this might be so?  The person who set up
the W2K box installed it over the top of Win98, which I tend not to
recommend.  This would not appear to be a cause of the connectivity
problems though.

TIA,

Alister

--

Welfare doesn't work, because it gives | Illiteracy blinds the spirit. 
the poor incentives to remain poor.    | Study, soldier. (CNT leaflet)
Instead, let's give the wealthy a huge |
tax cut, so the poor will have an      | It's never too late
incentive to become millionaires!      | To smash the state.


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