Linux-Networking Digest #73, Volume #10 Mon, 1 Feb 99 00:13:48 EST
Contents:
Re: basic help with samba ("TEX@go")
IP Alias + DHCP (Paul Lim)
???:Odd Masqu "Problem"??? (Douglas E. Mitton)
Re: PPPD (Peter Schueler)
Re: External ISDN modem (Peter Schueler)
Re: Networking/Cable Modem ("Carl S. Moore")
Help With IP Masquerading (Robert Woolley)
Re: Cannot login to samba server (Tom Nunamaker)
woo hoo (Jim Ray)
Xircom PE III ("Dewayne Blanco")
Re: Using a Linux box as a router (Stephen Carville)
PAM: mountd[327]: SECURITY: A user with uid != 0 can write to (Tim Moore)
Re: PAM: mountd[327]: SECURITY: A user with uid != 0 can write to (Tim Moore)
Why does Netscape hang until I dial up? (Rod Brick)
Re: NFS and dynamic IP address (Tim Moore)
Re: Telnet Puzzle (Rob)
Re: Telnet Puzzle (Rob)
Re: Samba Permissions Question... (Warren Young)
Samba & Win 98 (Scallica)
----------------------------------------------------------------------------
From: "TEX@go" <[EMAIL PROTECTED]>
Crossposted-To: alt.os.linux,comp.os.linux.help,ucd.comp.questions
Subject: Re: basic help with samba
Date: Sun, 31 Jan 1999 21:12:01 -0600
I thought the lmhosts hung out in the windows machine for the ip stack
to use. Just checked and it is on both os's. The one I had to fix was
the windows one. In fact it had a demo name that had to be changed and
all the ips of all the machines on the net inserted.
Fun ain't it???
David Akins wrote:
>
> Create a /etc/lmhosts file on your Linux machine. It needs to know
> how to resolve the name "lucifer" to an ip address. Something like
> this: (assume Lucifer's ip address is 10.1.1.1
>
> /etc/lmhosts
>
> 10.1.1.1 lucifer
>
> That's it. Should work once you get that going.
>
> On 31 Jan 1999 17:41:02 GMT, [EMAIL PROTECTED] (Pete) wrote:
>
> >i have two systems in my livingroom: satan (redhat 5.1) and lucifer (win95).
> >
> >1) the ethernet between them seems to work (dmesg)
> > rtl8139.c:v0.99B 4/7/98 Donald Becker
>http://cesdis.gsfc.nasa.gov/linux/drivers/rtl8139.html
> > eth0: RealTek RTL8139 at 0xfc80, IRQ 10, 00:40:c7:79:19:4c.
> >
> >2) smb, nmb are up and running
> > # /usr/sbin/samba status
> > smbd (pid 1067) is running...
> > nmbd (pid 1076) is running...
> >
> >3) yet something is going wrong:
> > # smbclient -L lucifer
> > Added interface ip=127.0.0.1 bcast=127.255.255.255 nmask=255.0.0.0
> > startlmhosts: Can't open lmhosts file /etc/lmhosts. Error was No such file or
>directory
> > cli_open_sockets: Unknown host LUCIFER.
> >
> >
> >
> >can someone please take a guess as to what's wrong?
> >
> >pete
> >
> >ps- ever since satan turned into a linux box, i've been considering naming
> > him gabriel.... ;-)
--
===============================================================================
The irony is that Bill Gates claims to be making a stable operating
system and Linus Torvalds claims to be trying to take over the
world.
Michael H. Collins
__
/ / __ _ _ _ _ __ __
/ /__ / / / \// //_// \ \/ /
/____/ /_/ /_/\/ /___/ /_/\_\
+- The Official OS for the New Millennium -+
http://www.linuxlink.com
------------------------------
From: Paul Lim <[EMAIL PROTECTED]>
Subject: IP Alias + DHCP
Date: Mon, 01 Feb 1999 13:06:49 +1100
I've got a Linux box running on our intranet and I wanted to use IP
aliasing to create a couple of virtual servers on this machine. I
currently use DHCP to get my primary IP address, is it possible to get
more than one IP address from the DHCP server? (i.e. for eth0:0, eth0:1
etc)
If anyone has any tips about setting up Apache with virtual servers
they'd be MUCH appreciated. :)
Thanks in advance,
Paul
------------------------------
From: [EMAIL PROTECTED] (Douglas E. Mitton)
Subject: ???:Odd Masqu "Problem"???
Reply-To: [EMAIL PROTECTED]
Date: Sun, 31 Jan 1999 23:20:36 GMT
I am experiencing an odd "problem" in my IP Masq operation ... it
happened with V2.0.36 and ipfwadm and is still occuring with V2.2.1
and ipchains.
The problem is that when I access a web page with graphics (?) on the
same subnet as me and my ISP and only from the PC behind my "firewall"
some graphic images refuse to complete loading. It is fairly
consistent. When I access my home page (see below) from my kids
Win3.11 computer (via Netscape) one of the Linux logos at the top
doesn't load and only the top 5% of the "Kids Picture" will load. The
Linux machine loads the images perfectly EVERY time, the kids machine
is im-perfectly EVERY time. No other extra-subnet access seem to be
effected. The access in this manner are faster than the kids old 14.4
modem so they are happy regardles BUT it bugs me! :-)
(I actually thought it was a patch problem and that the BIG upgrade
for a 2.5 years newer installation would resolve the problem BUT such
was not the case!)
Netscape still shows the "waiting" indication BUT it never completes
(in the time my patience allows) and when I click STOP it shows the
outline of the missing graphic and the rest of the web page
successfully.
My network is 2 computers connected via NE2000 clones, a Win3.11 that
my kids use and my Slackware 3.6, kernel V2.2.1 (it was Slackware 96
and V2.0.36 before). The firewall is via a dialup PPP connection on
the Linux machine. I use the simplest, single rule ipchains command
.. everything masq out, nothing in BUT ping, etc (all the standard
stuff).
I have no idea how to approach trouble shooting this situation, it
seems consistently BAD so it could be my configuration ... at least
I'm consistent!!!
Has any one seen, diagnosed or otherwise aware of this type of
problem? Any comments, suggestions or pointers would be greatly
appreciated!
================================================
Doug Mitton - Brockville, Ontario, Canada
'City of the Thousand Islands'
Amateur Radio: VE3DMZ ([EMAIL PROTECTED])
EMail: [EMAIL PROTECTED]
http://www.cybertap.com/dmitton
SPAM Reduction: Remove "x." from my domain.
================================================
------------------------------
From: [EMAIL PROTECTED] (Peter Schueler)
Subject: Re: PPPD
Date: Sun, 31 Jan 1999 11:05:17 GMT
Roger Wernersson <[EMAIL PROTECTED]> wrote:
: Hi!
[...]
: When I try to load PPP as a module using "insmod ppp" I get the
: following:
: /lib/modules/2.0.36/net/ppp.o: unresolved symbol slhc_free_R3787e5b9
: /lib/modules/2.0.36/net/ppp.o: unresolved symbol slhc_remember_Rbc0f8a5e
: /lib/modules/2.0.36/net/ppp.o: unresolved symbol slhc_toss_R89ec95b6
: /lib/modules/2.0.36/net/ppp.o: unresolved symbol
: slhc_uncompress_Ra2ca7e04
: /lib/modules/2.0.36/net/ppp.o: unresolved symbol slhc_compress_R5d6838a9
: /lib/modules/2.0.36/net/ppp.o: unresolved symbol slhc_init_R20741a64
Hi, I had the same experience as to insmod ppp.o, somewhat depending on
some obscure black magic between close-to-identical kernel-compiles...
In any case, manually inserting slhc.o prior to inserting ppp.o solves
this. Curiously, my pppd does it right, the quirk only sometimes happens
after manual issues of insmod. modules.dep says:
/lib/modules/2.0.29/net/ppp.o: /lib/modules/2.0.29/net/slhc.o
/lib/modules/2.0.29/net/slhc.o:
/lib/modules/2.0.29/net/slip.o: /lib/modules/2.0.29/net/slhc.o
SLIP never made any sort of trouble, though.
Peter
--
============================================================================
Who's that General Failure, and why is he reading my disk? Peter Schueler
Hannover, Germany
http://www.han.de/~peter/Index.html
------------------------------
Crossposted-To: comp.os.linux
From: [EMAIL PROTECTED] (Peter Schueler)
Subject: Re: External ISDN modem
Date: Sun, 31 Jan 1999 10:52:17 GMT
In comp.os.linux Danny Pansters <[EMAIL PROTECTED]> wrote:
: I know that there is support for internal ISDN modems through ISDN4Linux
: (well, not in 2.2.0 I've been told :-), but I would like to use my (Dynalink
: IS128AE) external ISDN modem with Linux.
Actually, thing indeed are the same as for an analog modem, as far as it goes
with Your local computer. At least, so it was in my case with an Acer Netxus T30.
I Should adviseYou to have a look into the AT commands You need to get an
ordinary minicom session going. If You get this far, You are put for a mailbox
login session via X.75, already. Everything else depends on Your ISP. For me,
that made some differences, since my ISP follows different strategies serving
analog and isdn PPP, requiring username/password in the first case, CHAP authenti-
zication in the latter. In both cases You have to start Your pppd (NOT: ippd
as supplied with Linux isdn-support) with an appropriate script, including a
chat-sequence to (1) tell Your isdn modem the necessary parmameters (my one got
options for protocol selection between X.75, X.110, HDLC, PPP...), (2) select
the caller's phone number to be claimed when calling out (some ISPs request
that for authentizication), (3) pick the baud rate towards the computer, (4)
dial out, (5) if appropriate, include a chat sequence to get logged in at Your
ISP's site and perhaps get a PPP-server running over there.
These steps are also detailed in the PPP-over-minicom-mini-HOWTO, and if You are
able to read German literature, You might look out for one of the upcoming German
iX-magazines with a much more detailed description.
Last not least You should be aware that "ordinary" isdn-linuxers usually are
prone to a different approach dedicating one pre-configured interface to each
potential ip-route employing isdn-channels. This makes much of a difference,
but this is a (good or bad) artificial consequence of the way kernel isdn-support
is implemented. If feel this is much less transparent, includes the risk of
configuring Your system to make lots of inadvertent isdn-dialouts, and allows You
to use the HDLC-protocol, which is otherwise barren. Finally, I have the
impression,t my isdn modem prevents its users from using 2 isdn channels for
different routes, as 2 ip channels cannot easily be transported over a single
serial interface (channel bundling is possible, however).
I hope this is a little bit of help.
Peter
--
============================================================================
Who's that General Failure, and why is he reading my disk? Peter Schueler
Hannover, Germany
http://www.han.de/~peter/Index.html
------------------------------
From: "Carl S. Moore" <[EMAIL PROTECTED]>
Crossposted-To: alt.solaris.x86,comp.dcom.modems.cable,sdnet.cablemodems
Subject: Re: Networking/Cable Modem
Date: Sun, 31 Jan 1999 22:45:09 -0500
You mentioned the ability for hackers to see the machine.
This relates to a question I have.
I have mediaone cable, and I'm trying to be able to ping
my machine to be able to end up with FTP and get
files there. It has a nslookup address, but it
doesn't seem to be able to respond to ping.
Is there a way to configure the PC on the end of
the cable so that it can be seen from the network?
carl
email to: [EMAIL PROTECTED]
John Mellor wrote in message
<0A%s2.5816$[EMAIL PROTECTED]>...
>In article <q%Rs2.256$[EMAIL PROTECTED]>,
> "Steven D. Nakhla" <[EMAIL PROTECTED]> writes:
>|> I am interested in getting a cable modem internet connection through the
>|> local cable provider here in Baltimore, Comcast. However, there is more
>|> than one computer in the house, and if we want all of them to be wired
to
>|> the cable modem, we need to setup a network. Here is my question: What
all
>|> is involved in that? I'm a computer science major, so I've got a pretty
>|> decent understanding of the concpets, and all, but I've never setup a
>|> network. Here is what I *think* is involved, please tell me if I'm
right
>|> or way off:
>|>
>|> We buy a hub which hooks into the cable modem. The modem acts sort of
as a
>|> "server", to which each of the computers is connected as clients.
Network
>|> cards (ethernet I believe) run into the hub connecting each of the
>|> computers.
>|>
>|> Is this right? Has anyone had experience with this type of connection
who
>|> could lend me a hand with it? Instructions? Hardware/Software
>|> reccomendations? Any help you can give would be REALLY appreciated!
>|>
>|> Also, I'm running Windows 98, Linux, and Solaris on my computer. Can I
use
>|> the cable modem connection with Linux and Solaris?
>
>No. Don't do that. When you get a cable connection, you are given a
single IP
>address on an ethernet. Consequently, the rest of the network cannot be
allowed
>to see your internal network machines (and they won't route then unless you
are
>stealing somebody else's IP address too).
>
>Set one of the machines up as a firewall, providing NAT (Network Address
>Translation) services for the others. Linux Masquerading works fairly well
for
>this, as does BSD NAT, or NT/Win95 Sygate (small $).
>
>You'll need the firewall to be functional, too. When you have a
high-bandwidth
>connection, you also get a lot of attention from crackers who have a low
patience
>level, and prefer to crack high-bandwidth sites. Many of these jerks are
>actually based on the cable networks, seeing as a student can actually
afford
>this type of connection.
>
>Having said all that, here is a web page dedicated to setting up ComCast
>connections with Linux:
>
> http://www.monmouth.com/~jay/Linux
>
>Godd Luck! Cable is the best bang for the buck out there right now!
>--
>John Mellor [EMAIL PROTECTED] Kitchener, Ontario, Canada
>[EMAIL PROTECTED] [EMAIL PROTECTED]
http://www.kitchener.com/mellor/
>[EMAIL PROTECTED] http://www.mellor.kw.net/
------------------------------
From: Robert Woolley <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Subject: Help With IP Masquerading
Date: Sun, 31 Jan 1999 22:50:27 -0500
Hi,
I've been trying to set up IP Masquerading and have read through the
HOWTO
numerous times, but it isn't working properly. Any help would be greatly
appreciated.
Here's the important info:
Linux box
- Redhat 5.1
- 2 Ethernet cards
- 1 for the Internal network
- 1 goes to the Internet through a Nortel 1-Meg Modem (like
ADSL)
- Internal IP Address: 192.168.0.1, External IP is chosen through
DHCP
- Internet access on this computer works fine internally and
externally (ping, telnet, etc.)
Win95 Box
- IP 192.168.0.2, Subnet Mask of 255.255.255.0, Gateway 192.168.0.1
- DNS currently not set up, been testing with IP addresses
- pinging and telnetting to Linux box works fine, doesn't work with
any other IPs
I really have no idea what is wrong. If any more information is
needed to better
troubleshoot the problem please just request it and I'll post it.
Thank you very much for your time,
Rob Woolley
------------------------------
From: Tom Nunamaker <[EMAIL PROTECTED]>
Crossposted-To: comp.protocols.smb,comp.os.linux.setup,linux.redhat.misc
Subject: Re: Cannot login to samba server
Date: Mon, 01 Feb 1999 04:07:16 +0100
Reply-To: [EMAIL PROTECTED]
Dan,
Did that but I still get "The account is not authorized to login from this
station"
I commented out the hosts allow and I still get this error. I can see the Samba
server in my WindowsNT Explorer..it just won't open it up.
Thanks in advance.
Tom
bla wrote:
> edit the cmb.conf in the etc dir and comment out the two encryption
> lines then use smbadduser to add the user and password for the user.
>
> Create a user in linux first though.
>
> Dan
>
> On Fri, 29 Jan 1999 23:45:31 -0800, "Lucas Technology"
> <[EMAIL PROTECTED]> wrote:
>
> >The other way to go without giving up password encryption is to modify samba
> >/etc/smb.conf but good luck trying to do it!
> >
> >Jonas <[EMAIL PROTECTED]> wrote in message
> >news:774aqt$rgr$[EMAIL PROTECTED]...
> >>If you are using windows 95 osr2 or NT you have to use encrypted passwords
> >>or disable this feature on your windows mashines.
> >>Read files ENCRYPTION.txt, WinNT.txt and Win95.txt in /usr/doc/samba*/docs
> >>directory for more info.
> >>
> >>/Jonas
> >>
> >>
> >
------------------------------
From: Jim Ray <[EMAIL PROTECTED]>
Subject: woo hoo
Date: Sun, 31 Jan 1999 22:40:21 -0500
Well, for anyone who care, I'm actually sending this via linux, after
the trials and tribulations of configuring my network card. Yee haw!
no I gotta figure out how to work my X server. . .
Jim
------------------------------
From: "Dewayne Blanco" <[EMAIL PROTECTED]>
Subject: Xircom PE III
Date: Mon, 01 Feb 1999 04:10:00 GMT
Does anyone know if there is a driver for the Xircom Pocket Ethernet
adapter?
Thanks in Advance!
[EMAIL PROTECTED]
------------------------------
From: Stephen Carville <[EMAIL PROTECTED]>
Subject: Re: Using a Linux box as a router
Date: 1 Feb 1999 00:38:16 GMT
Luca Filipozzi wrote:
>
> In article <792hm4$hhn$[EMAIL PROTECTED]>, [EMAIL PROTECTED] says...
> > [EMAIL PROTECTED] wrote:
> > > I am hoping someone can point out some documentation, give hints, etc. to get
> > > me started.
> >
> > Just turn ip-forwarding on in kernel (recompile with the option and then
> > write "echo 1 > /proc/sys/net/ipv4/ip_forward" . If you have set up the
> > routing table correct, then this is all you need.
> >
> > Greetings
> > Bernd
> >
> Isn't ip-forwarding turned on by default in most distributions? I thought
> it was.
IP-forwarding support is compiled in the kernel on most standard distros
(I've never seen one where it wasn't) but it still has to be turned on
explicitly.
--
Stephen Carville
[EMAIL PROTECTED]
====================================================
Management: The art of hiring intelligent, skilled individuals and then
ignoring their advice.
------------------------------
Date: Sun, 31 Jan 1999 20:17:44 -0800
From: Tim Moore <[EMAIL PROTECTED]>
Subject: PAM: mountd[327]: SECURITY: A user with uid != 0 can write to
PAM is almost too smart for a small LAN.
Two machines on a xover cable in my home office. Separate net than ppp0 dialup.
I was mucking around with /etc/exports and changed owner.group from root.root to
tim.users
so I could make edits without 'su root'. All networking stopped. rpc.nfsd and
rpc.mountd
exited immediately and silently on restart.
Once the permissions were set back, all was well.
messages contained:
Jan 31 18:19:09 asus portmap[508]: connect from 192.168.158.101 to getport(mountd):
request from unauthorized host
Jan 31 18:19:09 asus portmap[509]: connect from 192.168.158.101 to getport(mountd):
request from unauthorized host
Jan 31 18:20:01 asus mountd[327]: access from host 192.168.158.100 rejected
Jan 31 18:20:13 asus mountd[327]: access from host 192.168.158.100 rejected
Jan 31 18:20:38 asus PAM_pwdb[512]: (su) session opened for user root by (uid=0)
Jan 31 18:22:21 asus PAM_pwdb[512]: (su) session closed for user root
Jan 31 18:23:46 asus PAM_pwdb[548]: (su) session opened for user root by (uid=0)
Jan 31 18:24:25 asus mountd[327]: SECURITY: A user with uid != 0 can write to
/etc/exports!
Jan 31 18:24:25 asus mountd[327]: exiting because of security violation.
Jan 31 18:24:25 asus nfsd[336]: SECURITY: A user with uid != 0 can write to
/etc/exports!
Jan 31 18:24:25 asus nfsd[336]: exiting because of security violation.
Jan 31 18:24:27 asus PAM_pwdb[548]: (su) session closed for user root
Jan 31 18:24:38 asus portmap[564]: connect from 192.168.158.101 to getport(mountd):
request from unauthorized host
Jan 31 18:24:38 asus portmap[565]: connect from 192.168.158.101 to getport(mountd):
request from unauthorized host
--
[Replies: remove the D]
"Everything is permitted. Nothing is forbidden."
WS Burroughs.
------------------------------
Date: Sun, 31 Jan 1999 20:20:20 -0800
From: Tim Moore <[EMAIL PROTECTED]>
Subject: Re: PAM: mountd[327]: SECURITY: A user with uid != 0 can write to
nfs-server-clients-2.2beta37-1
nfs-server-2.2beta37-1
kernel-source-2.0.36-3
--
[Replies: remove the D]
"Everything is permitted. Nothing is forbidden."
WS Burroughs.
------------------------------
From: Rod Brick <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.misc,comp.os.linux.x
Subject: Why does Netscape hang until I dial up?
Date: 30 Jan 1999 06:35:05 GMT
This is a new phenomenon for me. I start netscape, and it runs -
somewhere - but it never materializes on the desktop. Not until I dial
up does it show up on as a window. I'm not using diald, if that makes a
difference. This is a real pain in the butt. If I just want to view an
html file via netscape, it seems I must dial up first. Can anyone help
me here?
------------------------------
Date: Sun, 31 Jan 1999 20:31:55 -0800
From: Tim Moore <[EMAIL PROTECTED]>
Subject: Re: NFS and dynamic IP address
> What I am interested in doing is mounting several file systems
> from my office workstation (a Sun Ultra 2 running Solaris) on
> my Linux box via NFS. Can this be done if I have a dynamic
> IP address? I'd rather not pay the additional monthly fee for
Yes.
> The mini-HOWTO on DHCP seems rather sparse--I'm not sure if
> this is the answer to my problem. I'm running RedHat 4.2 with
> the 2.0.18 kernel version.
You might want to upgrade as DHCP supports is a bit better now. You're about 25
kernels
back. Current is 2.2.1.
RH5.2 (2.0.36) is 2.2.x-ready.
--
[Replies: remove the D]
"Everything is permitted. Nothing is forbidden."
WS Burroughs.
------------------------------
From: Rob <[EMAIL PROTECTED]>
Crossposted-To: comp.unix.questions
Subject: Re: Telnet Puzzle
Date: Mon, 01 Feb 1999 04:57:17 GMT
Stephan Gross wrote:
>
> I'm telnetting from my Windows 98 box to a three-times removed Unix
> box, like this: Win98 -> Router1 --> Router 2 -> Unix
> The Win98 box is on a different network than the Unix box.
>
> Here's the puzzle: I can telnet from win98 to Router1, win98 to
> Router2, but not Win98 to Unix. On the other hand, I can also telnet
> from Router2 to Unix. How can this be?
Router2 has an access list that does not permit access from YOU to the
Unix box OR the Unix box has either access lists or a firewall that
filters you but allows Router2. Most likely the latter.
--
-----------------------------------------------------------------
All men are mortal. Socrates was mortal.
Therefore, all men are Socrates.
-----------------------------------------------------------------
------------------------------
From: Rob <[EMAIL PROTECTED]>
Crossposted-To: comp.unix.questions
Subject: Re: Telnet Puzzle
Date: Mon, 01 Feb 1999 04:59:08 GMT
Stephan Gross wrote:
>
> I'm telnetting from my Windows 98 box to a three-times removed Unix
> box, like this: Win98 -> Router1 --> Router 2 -> Unix
> The Win98 box is on a different network than the Unix box.
Disregard my post. After reading the other reponses I can now
safely assume that you have already looked into access to the machine
from your IP and that you are not being filtered.
--
-----------------------------------------------------------------
All men are mortal. Socrates was mortal.
Therefore, all men are Socrates.
-----------------------------------------------------------------
------------------------------
From: Warren Young <[EMAIL PROTECTED]>
Subject: Re: Samba Permissions Question...
Date: Sun, 31 Jan 1999 22:03:19 -0700
Scallica wrote:
>
> How do I setup Samba so that every file I put on a network drive in Win95
> is set to rwxrwxrwx? Thanx.
RTFM. The man page describes all the file masking options you can use.
--
= Warren -- http://www.cyberport.com/~tangent/
= ICBM Address: 36.8274040 N, 108.0204086 W, alt. 1714m
= <bits of ice striking hull> "Captain, we're being hailed."
------------------------------
From: [EMAIL PROTECTED] (Scallica)
Subject: Samba & Win 98
Date: 1 Feb 1999 05:01:19 GMT
Hey,
I can't seem to map a network drive in Win 98. It keeps saying "password
incorrect". I can map to the linux machine perfectly on a Win 95 machine.
On the Win 98 machine, I log in at startup, but when I try to map, it prompts
for a password but will not accept it. Any ideas? Thanx.
------------------------------
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End of Linux-Networking Digest
******************************