Linux-Networking Digest #479, Volume #10 Sat, 13 Mar 99 07:14:13 EST
Contents:
Strange Win98-Linux networking problem ([EMAIL PROTECTED])
mail server setup ("Chris Barton")
Alpha Centauri thru firewall ("Christopher G. Karras")
Re: Alpha Centauri thru firewall (Heath Harry)
Ethernet NE2000 card: Tx timed out, ..... problems ("M.H. ten Berge")
ftpd and telnetd problems ([EMAIL PROTECTED])
DHCP received an unknown option 006 of length 004 (Michael Secker)
/usr/local/bin/perl ->/usr/bin/perl (Steve Smith)
Linux networking internals... ("Sukesh")
Re: MS Exchange server vs Intranet: What's the difference? (Izak Burger)
Re: Appletalk emulation (Lukas Zeller)
----------------------------------------------------------------------------
From: [EMAIL PROTECTED]
Subject: Strange Win98-Linux networking problem
Date: Sat, 13 Mar 1999 09:42:12 GMT
Hi everyone,
I'm having big problems getting my linux box to communicate with my Win98
machine through a crossover UTP cable. I know the hardware works because I
managed to connect the machines successfully with both of them running
Windows, but I had no luck in configuring the network with Linux. My setup is
the following
Win98 :
D-Link DFE-530TX 10/100 NIC
Adapter settings:
Connection Type= Autosense
DMA Burst Length=256 DWORDS
Recieve Buffers=64
Recieve Threshold=1024 bytes
Transmit Buffers=4
Transmit Threshold=1024 bytes
TCP/IP settings :
IP : 10.0.2.254, Netmask 255.0.0.0 (No gatway, no DNS, no WINS)
Linux :
Kernel v. 2.0.34
NICs : RealTek RTL8139(clone) or Cnet Pro-120 (having a Macronix 98715 PMAC
chip)
I tried both the above cards with no success.
Here are dumps of the various setings :
network driver message at bootup
================================
...
VFS: Mounted root (ext2 filesystem) readonly.
Adding Swap: 130744k swap-space (priority -1)
rtl8139.c:v0.99B 4/7/98 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/rtl8139.html
eth0: RealTek RTL8139 at 0x6100, IRQ 11, 00:20:18:89:c3:e9.
eth0: Switching to full-duplex based on link partner ability of 05e1.
...
cat /proc/pci
=============
PCI devices found:
Bus 0, device 10, function 0:
VGA compatible controller: S3 Inc. Trio32/Trio64 (rev 0).
Medium devsel. IRQ 9.
Non-prefetchable 32 bit memory at 0xe0000000.
Bus 0, device 9, function 0:
Ethernet controller: Realtek 8139 (rev 16).
Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable.
Latency=32. Min Gnt=32.Max Lat=64.
I/O at 0x6100.
Non-prefetchable 32 bit memory at 0xe0800000.
Bus 0, device 7, function 1:
IDE interface: Intel 82371SB PIIX3 IDE (rev 0).
Medium devsel. Fast back-to-back capable. Master Capable. Latency=32.
I/O at 0x9000.
Bus 0, device 7, function 0:
ISA bridge: Intel 82371SB PIIX3 ISA (rev 1).
Medium devsel. Fast back-to-back capable. Master Capable. No bursts.
Bus 0, device 0, function 0:
Host bridge: Intel 82437VX Triton II (rev 1).
Medium devsel. Master Capable. Latency=32.
cat /proc/net/dev
=================
Inter-| Receive | Transmit
face |packets errs drop fifo frame|packets errs drop fifo colls carrier
lo: 31 0 0 0 0 31 0 0 0 0 0
nr0: 0 0 0 0 0 0 0 0 0 0 0
nr1: 0 0 0 0 0 0 0 0 0 0 0
nr2: 0 0 0 0 0 0 0 0 0 0 0
nr3: 0 0 0 0 0 0 0 0 0 0 0
eth0: 0 0 0 0 0 9 0 0 0 0 0
ifconfig output
===============
lo Link encap:Local Loopback
inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0
UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1
RX packets:31 errors:0 dropped:0 overruns:0
TX packets:31 errors:0 dropped:0 overruns:0
eth0 Link encap:10Mbps Ethernet HWaddr 00:20:18:89:C3:E9
inet addr:10.0.2.253 Bcast:10.255.255.255 Mask:255.0.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0
TX packets:9 errors:0 dropped:0 overruns:0
Interrupt:11 Base address:0x6100
route output
============
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
loopback * 255.0.0.0 U 0 0 1 lo
10.0.0.0 * 255.0.0.0 U 0 0 1 eth0
default 10.0.2.254 0.0.0.0 UG 0 0 0 eth0
The symptoms are simple. Nothing seems to be passing between the two
computers either way. I cannot ping from Linux to Win or vice versa. The fact
that I tried two different NICs with the same results seems to suggest that
there is something wrong with my interface settings but for the life of me I
can't figure out what. Another possiblility is perhaps that the culprit is
the crossover cable. I don't know though, because as I've said above, it
works fine when both machines are running Win95/98. An interesting thing is
that ifconfig insists on labelling eth0 as a 10Mbps Ethernet even though both
NICs are 100Mbps.
I'm no network guru, although I've had occasion in the past to set up various
networks both
with and without Linux but I've never had so many problems setting a network
up. Please, if
anyone knows what I'm doing wrong, help me!
Please contact me at <[EMAIL PROTECTED]>.
Thanks.
Etienne
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------------------------------
From: "Chris Barton" <[EMAIL PROTECTED]>
Subject: mail server setup
Date: Sat, 13 Mar 1999 10:13:46 -0000
what i want to do is collect mail from our isp using a linux box.
we have one email account. but several users at present we use win nt and
wingate to allow people to access the pop server.
users log in by outlook express. eg [EMAIL PROTECTED] + passsword,
[EMAIL PROTECTED] + password, so although we only have one account
they can access their own mail. what i hope to achieve is the linux box
dials the isp every hour downloads the mail. and stores it locally. I then
would like to let users connect to the linux box using outlook express to
collect thier mail. what is the best way to achieve this ? Also i need the
users to be able to send mail to the linux box which will then pass it on to
our isp's smtp server.
so far i have ppp working with diald to allow users web access from there
workstation.
--
Chris Barton
[EMAIL PROTECTED]
------------------------------
From: "Christopher G. Karras" <[EMAIL PROTECTED]>
Subject: Alpha Centauri thru firewall
Date: Sat, 13 Mar 1999 10:47:00 GMT
I have a linux firewall (RH 5.2 IP masq and packet filtering) and would like
to enable TCP multiplayer Alpha Centauri games. Has anyone here figured out
what AC is using for connections, either as host or participant?
Chris
mailto:[EMAIL PROTECTED]
------------------------------
From: Heath Harry <[EMAIL PROTECTED]>
Subject: Re: Alpha Centauri thru firewall
Date: Sat, 13 Mar 1999 10:56:21 +0000
Reply-To: [EMAIL PROTECTED]
"Christopher G. Karras" wrote:
> I have a linux firewall (RH 5.2 IP masq and packet filtering) and would like
> to enable TCP multiplayer Alpha Centauri games. Has anyone here figured out
> what AC is using for connections, either as host or participant?
>
> Chris
> mailto:[EMAIL PROTECTED]
I sure tcpdump -i <interface-name> & can shed some objective light on this
subject.
Regards,
Heath Harry.
------------------------------
From: "M.H. ten Berge" <[EMAIL PROTECTED]>
Subject: Ethernet NE2000 card: Tx timed out, ..... problems
Date: Sat, 13 Mar 1999 11:39:04 +0100
Dear anybody,
I've got a problem with my Ethernet cards (which are NE2000-compatible). I
configured it on two Linux machines using the installation procedure of
RedHat 5.1 (I've installed it for a little while ago, so I'm a 'newbie').
A while ago I've bought the Linux Toolkit (6-disc-pack), which contained
RedHat 5.1 on disc two (kernel version 2.0.34) and a lot of other
applications on discs 3, 4, 5 and 6 (one of the discs also contains an image
of the sunsite.edu ftp-site.)
My home-network is _very_ small: it consists of only two computers, both
running RedHat 5.1 with kernel 2.0.34.
At installation time, the autoprobe for my networkcards didn't work, so I
had to manually fill in the address and IRQ. Fortunately I knew them,
because MicroBill Win98 told me: BASE:0x280, IRQ:09 on one computer, and
BASE: 0x340, IRQ:03 on the other (I'm not sure of that IRQ, but it said so)
When rebooting the machine, the network adapters seem to be recognized.
Here is the output of the command DMESG immediately after login on one of
the two computers (the problem with the other one is similar):
======dmesg output====
Console: 16 point font, 400 scans
Console: colour VGA+ 80x25, 1 virtual console (max 63)
pcibios_init : BIOS32 Service Directory structure at 0x000fb7a0
pcibios_init : BIOS32 Service Directory entry at 0xfbc40
pcibios_init : PCI BIOS revision 2.10 entry at 0xfbc70
Probing PCI hardware.
Calibrating delay loop.. ok - 49.87 BogoMIPS
Memory: 14672k/16384k available (732k kernel code, 384k reserved, 596k data)
This processor honours the WP bit even when in supervisor mode. Good.
Swansea University Computer Society NET3.035 for Linux 2.0
NET3: Unix domain sockets 0.13 for Linux NET3.035.
Swansea University Computer Society TCP/IP for NET3.034
IP Protocols: IGMP, ICMP, UDP, TCP
VFS: Diskquotas version dquot_5.6.0 initialized
Checking 386/387 coupling... Ok, fpu using exception 16 error reporting.
Checking 'hlt' instruction... Ok.
Linux version 2.0.34 ([EMAIL PROTECTED]) (gcc version 2.7.2.3) #1 Fri
May 8 16:05:57 EDT 1998
Starting kswapd v 1.4.2.2
Serial driver version 4.13 with no serial options enabled
tty00 at 0x03f8 (irq = 4) is a 16550A
tty01 at 0x02f8 (irq = 3) is a 16550A
tty03 at 0x02e8 (irq = 3) is a 16550A
Real Time Clock Driver v1.07
Ramdisk driver initialized : 16 ramdisks of 4096K size
hda: WDC AC21200H, 1222MB w/128kB Cache, CHS=621/64/63
hdb: 8X CD-ROM, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Floppy drive(s): fd0 is 1.44M, fd1 is 1.2M
FDC 0 is an 8272A
md driver 0.35 MAX_MD_DEV=4, MAX_REAL=8
scsi : 0 hosts.
scsi : detected total.
Partition check:
hda: hda1 hda2 hda3
VFS: Mounted root (ext2 filesystem) readonly.
Adding Swap: 66524k swap-space (priority -1)
Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996
SB 3.1 detected OK (220)
Installed 0
YM3812 and OPL-3 driver Copyright (C) by Hannu Savolainen, Rob Hooft
1993-1996
hdb: media changed
VFS: Disk change detected on device 03:40
Max size:297372 Log zone size:2048
First datazone:26 Root inode number 53248
ISO9660 Extensions: RRIP_1991A
Swansea University Computer Society IPX 0.34 for NET3.035
IPX Portions Copyright (c) 1995 Caldera, Inc.
Appletalk 0.17 for Linux NET3.035
loading device 'eth0'...
ne.c:v1.10 9/23/94 Donald Becker ([EMAIL PROTECTED])
NE*000 ethercard probe at 0x280: 00 20 18 72 fd 87
eth0: NE2000 found at 0x280, using IRQ 9.
loading device 'eth1'...
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=846.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=154.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=51.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=449.
--- end-----
As you see, eth0 is found, but on the last four lines an error occurs (on
the other computer also).
When I Ping to the other computer (192.168.1.3) there is no reply. The
problem is, that I don't have a computer with a _working_ eth-card, so I
can't trace what causes the problem.
After I have ping-ed, dmesg results in the following:
----dmesg output-----
Console: 16 point font, 400 scans
<<snip>>
Appletalk 0.17 for Linux NET3.035
loading device 'eth0'...
ne.c:v1.10 9/23/94 Donald Becker ([EMAIL PROTECTED])
NE*000 ethercard probe at 0x280: 00 20 18 72 fd 87
eth0: NE2000 found at 0x280, using IRQ 9.
loading device 'eth1'...
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=846.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=154.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=51.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=449.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=6000.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=763.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=619.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=101.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=100.
eth0: Tx timed out, lost interrupt? TSR=0x1, ISR=0x2, t=1581.
eth0: Tx timed out, cable problem? TSR=0x0, ISR=0x0, t=101.
eth0: Tx timed out, cable problem? TSR=0x0, ISR=0x0, t=100.
eth0: Tx timed out, cable problem? TSR=0x0, ISR=0x0, t=100.
eth0: Tx timed out, cable problem? TSR=0x0, ISR=0x0, t=1835.
---end---
The last errors are different, because then I disconnected the BNC-cable,
which is reported correctly.
The Output of IFCONFIG is as follows:
---ifconfig output----
lo Link encap:Local Loopback
inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0
UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1
RX packets:112 errors:0 dropped:0 overruns:0
TX packets:112 errors:0 dropped:0 overruns:0
eth0 Link encap:Ethernet HWaddr 00:20:18:72:FD:87
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0
TX packets:0 errors:0 dropped:0 overruns:0
Interrupt:9 Base address:0x280
---end----
As you can see, even after I've Ping-ed, the amount of Xmitted packets is
zero.
(The IP-addresses of the computer I used for these outputs is 192.168.1.1,
the other computer has got 192.168.1.3.
When I ping to localhost (127.0.0.1) it works, and when I ping to the
broadcast address 192.168.1.255 the light on the back of my eth-card
flashes, but nothing happens and no packets are transmitted (according to
ifconfig). The only replies I get are from the same computer as they were
send from (192.168.1.1).
What am I doing wrong? I've tried all IRQ's, but none of them seemed to
work. (Some documentation said there was a FAQ in which common hardware
problems were described, but I couldn't find that 'troubleshooting-guide'
anywhere.)
Please send your reply to my private e-mail address:
[EMAIL PROTECTED]
Yours sincerely,
Matthijs ten Berge
------------------------------
From: [EMAIL PROTECTED]
Subject: ftpd and telnetd problems
Date: Fri, 12 Mar 1999 22:41:42 GMT
Hi all.
I'm running Kernel 2.0.36 (RedHat 5.2), and am having trouble establishing a
telnet or ftp session to my linux machine from another machine on our local
network.
I can telnet and ftp to myself from the linux box, but telnet and ftp
sessions are refused from an outside machine (all connections are allowed in
the hosts.allow file since this network isn't connected to the rest of the
world). In the logs, whenever an ftp connection is attempted from another
machine, I see an assortment of errors like:
ftpd[4776]: getpeername (in.ftpd): Transport endpoint is not connected
I had no problems telnet'ing or ftp'ing to this machine a few weeks ago.
Reboots don't fix the problem. Any ideas?
Thanks,
T.S.
Also, incidentally, (on a possibly unrelated note), whenever any other
machine pings the win98 crapbox, we get two additional duplicate packets
returned, about 1.5ms apart. What might be causing this?
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------------------------------
From: Michael Secker <[EMAIL PROTECTED]>
Subject: DHCP received an unknown option 006 of length 004
Date: Sat, 13 Mar 1999 12:12:58 +0100
Hi folks,
my NT's eventlog is complaining about
DHCP received an unknown option 006 of length 004
and
DHCP received an unknown option 012 of length 017
Has anybody heard of.
Any hints?
Many thanx in advance,
Michael Secker
------------------------------
From: [EMAIL PROTECTED] (Steve Smith)
Subject: /usr/local/bin/perl ->/usr/bin/perl
Date: Sat, 13 Mar 1999 11:17 +0000 (Pacific Standard Time)
Reply-To: [EMAIL PROTECTED]
Can someone help me please.
I am trying to mirror a website that contains a lot of cgi scripts. Some
of the scripts have the header /usr/local/bin/perl and some have
/usr/bin/perl, either of which work on the remote server. Only
/usr/bin/perl works on my linux box. How do I get both to work on my linux
box.
Steve
[EMAIL PROTECTED]
------------------------------
From: "Sukesh" <[EMAIL PROTECTED]>
Subject: Linux networking internals...
Date: Sat, 13 Mar 1999 06:40:50 -0500
Hi,
I am interested in looking the networking portion of the linux kernel...is
there any documentation for that..?? Can someone point me to links..??
Thanks..
thanks,
Arni
------------------------------
From: Izak Burger <[EMAIL PROTECTED]>
Subject: Re: MS Exchange server vs Intranet: What's the difference?
Date: Sat, 13 Mar 1999 13:59:44 +0200
Reply-To: Izak Burger <[EMAIL PROTECTED]>
486's should do fine. Only if you want to run a good web browser on the
Linux box, you have to make sure that you have enough RAM in that box. I
remember starting X on a 486DX4 with only 8MB RAM, it takes forever :)
Also, while your at it you might want to have a look at the ocs (Obsidian
communication server) Intranet stuff. It uses cgi and works quite nice,
although I have never really used it on an Intranet, I just looked at it
on my own PC. You can get it at ftp.obsidian.co.za/ocs/. Hey, its free
:)
You can also read the Intranet-HOWTO which should be in /usr/doc/HOWTO
To make a long answer short: Yes you can use 10baseT and 486's :) I did it
once, except in my case I had about 10 Windoze PC's and 1 Linux box, the Linux
box was mine and the other 10 were those of a few stuborn friends of mine :).
The windoze PC's could access a database of mp3's on the Linux box through
Internet Exploder, and make requests. The requests were played and transmitted
through a short range FM transmitter that everyone could tune their radio's to.
Now that I think about it, this might be a good idea for the office? :)
Linux is fun :)
regards
Izak
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
----==-- _
---==---(_)__ __ ____ __
Microsoft is not the answer. --==---/ / _ \/ // /\ \/ /
Microsoft is the question. -=====/_/_//_/\_,_/ /_/\_\
Linux is the answer: Because a PC is a terrible thing to waste.
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Note: Mail from yahoo.com and hotmail.com domains will go to a special folder
and my not get read until much later. I'm sorry for this inconvenience but I
get to much spam from people in these domains.
------------------------------
From: [EMAIL PROTECTED] (Lukas Zeller)
Crossposted-To:
de.comp.os.linux.misc,alt.uu.comp.os.linux.questions,comp.os.linux.misc,de.comp.os.linux.newusers,alt.linux
Subject: Re: Appletalk emulation
Date: Sat, 13 Mar 1999 13:04:26 +0100
Daniel Wetzler <[EMAIL PROTECTED]> wrote:
> This is a multi-part message in MIME format
Unfortunately... (please post plain text to Usenet)
> I`m actually trieing to use my linux mashine as Appletalk server.
> My problem is, that I can`t start the atalkd daemon.
> [...]
> If I try to start atalkd manually I get "AppleTalk not up! Child exited
> with 1."
Did you set up the /etc/atalkd.conf file correctly? I remember that the
SuSE 5.2 docs were slightly misleading. It started working when I
set the config to just a single line:
eth0
and copied the file to /etc/atalkd.conf as well as
/etc/atalk/atalkd.conf. I could not yet finally figure out which
one of these files is really used. It just happens to work this way.
Then, put a AppleVolumes.default file in /etc listing all directories
you want to give access via AppleShare for ALL users (use a tilde
to include the user's home directory).
Good luck!
--
Lukas Zeller ([EMAIL PROTECTED])
------------------------------
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End of Linux-Networking Digest
******************************
