Jim -- Hard to say what you've missed because you don't say much about what
you hit. So some of what I suggest below may be things you've already
covered but didn't mention here.
First, before we get to real services ... can the Windows hosts ping the
Linux host? Can the Linux host ping itself (as 127.0.0.1 and as
192.168.0.5)? I assume the Windows hosts can communicate among themselves
all right. If you cannot ping, what lights do you see flashing when you try
(on the hub or switch, assuming this is a UTP setup, and on the NICs
themselves)?
Second, what are the network setting on all the hosts? Not just the
addresses; the netmasks and gateway addresses as well. ("netstat -nr" on the
Linux host; I think versions of Windows vary on the command.)
Third, are you running telnet and ftp servers on the Linux host? They
probably run through inetd. Check first to see that you are running inetd
("ps ax | grep inet"). If you are, then see that there are entries for
telnet and ftp in /etc/inetd.conf, and that the programs they point to are
present on the system.
Fourth, are you sure the physical connection between the Linux host and the
LAN is working? The NIC itself is OK (oehtewise the 192.168.0.5 address
wouldn't work at all), but the fact that the Linux host can connect to its
http server, but the Windows clients cannot, makes me wonder about the
physical layer.
Fifth, might there be an IRQ conflict, say with a serial port? What does
"ifconfig -a" report about the NIC's IRQ and I/O settings? If it uses IRQ 3
or 4, it will conflict with a serial port (even an *unused* serial port).
Finally, are you running any firewalling on the Linux host? What does
"ipchains -L -n" report? ("ipchains -L -n -v" is more informative but way
harder to read.)
I haven't said much about actual possible problems, because there are too
many possibilities to list short of writing a book. The diagnostics I
suggested will help you narrow things down, though.
At 06:00 PM 6/30/01 -0500, Jim Reimer wrote:
>Finally got around to putting a network card in my Linux machine, and I'm
>having trouble. It's on a LAN with three Windows machines, and from Linux
>I can ping each of the Windows machines, and vice versa. But that's all
>I can do. Running RH7.1.
>
>IP addresses are 192.168.0.1, 2, and 3 for the Windows machines, and
>192.168.0.5 for the Linux machine.
>
>Telnet and ftp from a Windows box to the Linux box time out (no connection).
>
>Telnet and ftp on the Linux box to 127.0.0.1 or 192.163.0.5 all say
>"connection refused."
>
>On the Linux box, http to 192.163.0.5 works ok, but from a Windows machine
>to 192.163.0.5 it times out.
>
>What have I missed / where do I start looking?
--
------------------------------------"Never tell me the odds!"---
Ray Olszewski -- Han Solo
Palo Alto, CA [EMAIL PROTECTED]
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