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colin. wrote:
> I really, really need some help here, so if any of you fellows have any
> ideas as to what may be wrong, I would greatly appreciate it. I will try to
> give as detailed a description of the problem as I can. Firstly this is the
> basic setup of my network (where -- is wired and // is wlan)
>
> INTERNET -- router (Linksys WRK54G) ---//---clients (Windows XP Pro)
> |
> |
> `-- Windows 2000 server
>
> I have a Windows 2000 server serving files locally to my LAN. From this
> server I can download files easily. The problem is that I cannot *upload*
> files to it.
>
> The client boxes are each running XP Pro (SP2). The box accepts outgoing
> traffic but appears to deny all incoming traffic except keepalive packets
> etc. When I log on to the box locally I am prevented from using the
> internet at all.
>
> To try to alleviate this, these are the steps which I have taken:
>
> - Reboots (obviously)
> - Router re-config
> - Replacement of router
> - Replacement of NIC (twice) in server + testing each PCMCIA slot for each
> replacement
> - Replacement of WLAN with ethernet
> - Creation of p2p network server-client(s)
> - Checked all duplex settings
> - Disabled local firewalls
> - Virus and spyware checks
You mentioned you've tried disabling firewalls - have you tried disabling
the firewall's driver(s)? You'll find these in Computer Management,
right-click Device Manager, View->Show hidden devices then under "Non-Plug
and Play Drivers". I'd advise doing this when the server isn't in use and
after a system backup :-)
Have you tried running a program like NetCat that you can use as a very
basic test to listen on a port and connect to it from a client? Have you
tried running a packet sniffer to see if the connections attempts reach the
server? Is something like ISA Server installed and configured wrong or gone
FUBAR?
Have you tried it in safe mode with networking? What about plugging a
client into the Linksys and seeing if other clients can connect to it (to
rule out the router)?
Also your mention of not being able to use the net at all makes me wonder
if it's a misconfiguration or firewall being naughty.
Put the server on the naughty list and tell it Santa will only give it a
lump of coal for Christmas, that might work! :-)
HTH
Adam Piggott,
Proprietor,
Proactive Services (Computing)
http://www.proactiveservices.co.uk/
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