Linux-Networking Digest #670, Volume #11 Fri, 25 Jun 99 18:14:41 EDT
Contents:
Re: a few problems (lyte)
Connection accept speed limit? (Leslie Mikesell)
Re: hosts.allow or hosts.deny (lyte)
Re: Where's the FAQ (lyte)
Re: Strange NFS problem ([EMAIL PROTECTED])
Re: RedHat 6.0 PPP Applet (lyte)
Re: I Need Modem Help. (lyte)
Re: /etc/passwd or what else? ([EMAIL PROTECTED])
Router Logging (Lyndon Hills)
Re: simple IPCHAINS script ("eLicT")
simple IPCHAINS script (Hannu)
Re: IP use monitoring for uid's ([EMAIL PROTECTED])
Re: PPP - Please no ppp how-to's (lyte)
Re: /etc/passwd or what else? (David Crooke)
Re: triggering pppd through external phone call (Marc Mutz)
Re: FTP user restriction (Marc Mutz)
Re: /etc/passwd or what else? (Marc Mutz)
----------------------------------------------------------------------------
From: lyte <[EMAIL PROTECTED]>
Subject: Re: a few problems
Date: Fri, 25 Jun 1999 16:44:40 -0400
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Dave wrote:
> I have just a few problems that I need help with.
>
> 1. When I start X, I get a "hostname: lookup failure" just before it loads.
>
> 2. I have to go into X to get my ppp connection activated. If I quit X, the
> connection dumps as well. I have it set to activate at boot, but it doens't
> actually stay connected unless X is running.
>
> 3. SMB starts; NMB doesn't, so Samba doesn't work right.
>
> Dave
Hostname lookup failure means that the hostname of your linux box can not be
resolved. ie: its a made up hostname or youre not connected to the net.
To set up ppp so you dont have to be in X to connect try using PPP-UP located
at http://www.thecomputergallery.com/redhat/ppp.shtml
It comes with an easy to follow guide and you should have it up and running in
no time flat.
Best of luck.
--
Joey Olson
#RedHat OnLine
http://www.thecomputergallery.com/redhat
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Dave wrote:
<blockquote TYPE=CITE>I have just a few problems that I need help with.
<p>1. When I start X, I get a "hostname: lookup failure" just before it
loads.
<p>2. I have to go into X to get my ppp connection activated. If I quit
X, the
<br>connection dumps as well. I have it set to activate at boot, but it
doens't
<br>actually stay connected unless X is running.
<p>3. SMB starts; NMB doesn't, so Samba doesn't work right.
<p>Dave</blockquote>
Hostname lookup failure means that the hostname of your linux box can not
be resolved. ie: its a made up hostname or youre not connected to the net.
<p>To set up ppp so you dont have to be in X to connect try using PPP-UP
located at <A
HREF="http://www.thecomputergallery.com/redhat/ppp.shtml">http://www.thecomputergallery.com/redhat/ppp.shtml</A>
<p>It comes with an easy to follow guide and you should have it up and
running in no time flat.
<p>Best of luck.
<pre>--
Joey Olson <[EMAIL PROTECTED]>
#RedHat OnLine
<A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A></pre>
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From: [EMAIL PROTECTED] (Leslie Mikesell)
Crossposted-To: comp.os.linux.misc
Subject: Connection accept speed limit?
Date: 25 Jun 1999 15:58:49 -0500
I have a web server set up to handle static images and backgrounds
only and it gets about 1.5 million hits a day most of which happen
in about a 3 hour window. Since there is no cgi the machine sits
at a load of .25 or less most of the time with no obvious problems.
However, at fairly random intervals it looks like accepting
connections becomes extremely slow. 'Netstat -an' shows a lot
of connections in SYN_RECV state compared to ESTABLISHED.
Killing the server and restarting seems to fix the problem for
a while. I've used squid in reverse proxy mode and apache
serving local copies with the same problem, so I don't think
it is at the application level. I've used several kernels from
2.2.3 to 2.2.10 and eventually the same thing happened with
all of them. Could this be related to the code that is supposed
to prevent SYN attacks? How can I tell if I really do have
a SYN attack going on and fix things if I don't?
Les Mikesell
[EMAIL PROTECTED]
------------------------------
From: lyte <[EMAIL PROTECTED]>
Subject: Re: hosts.allow or hosts.deny
Date: Fri, 25 Jun 1999 16:17:17 -0400
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Marty Bowers wrote:
> I was curious, if you put a name in etc/hosts.allow, and then you put
> the same name in hosts.deny, would that host be allowed or denied?
> Which file does Linux look at first?
>
> --
>
> Marty Bowers
> [EMAIL PROTECTED]
It will allow the host. Utimatly hosts.allow will over-ride anything in
hosts.deny. Thats why ALL: ALL is in deny and ALL: some.host.com would
be in allow
--
Joey Olson
#RedHat OnLine
http://www.thecomputergallery.com/redhat
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Marty Bowers wrote:
<blockquote TYPE=CITE>I was curious, if you put a name in etc/hosts.allow,
and then you put
<br>the same name in hosts.deny, would that host be allowed or denied?
<br>Which file does Linux look at first?
<p>--
<p>Marty Bowers
<br>[EMAIL PROTECTED]</blockquote>
It will allow the host. Utimatly hosts.allow will over-ride anything in
hosts.deny. Thats why ALL: ALL is in deny and ALL: some.host.com would
be in allow
<pre>--
Joey Olson <[EMAIL PROTECTED]>
#RedHat OnLine
<A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A></pre>
</html>
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From: lyte <[EMAIL PROTECTED]>
Subject: Re: Where's the FAQ
Date: Fri, 25 Jun 1999 16:18:33 -0400
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Jerry Kurata wrote:
> I am having a problem with Slackware not recognizing my Acer network card.
> Rather than tie up the group, I thought I would check the FAQ. So where is
> the FAQ for the group?
Try recompiling the Kernel with support for the NIC.
--
Joey Olson
#RedHat OnLine
http://www.thecomputergallery.com/redhat
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Jerry Kurata wrote:
<blockquote TYPE=CITE>I am having a problem with Slackware not recognizing
my Acer network card.
<br>Rather than tie up the group, I thought I would check the FAQ.
So where is
<br>the FAQ for the group?</blockquote>
Try recompiling the Kernel with support for the NIC.
<pre>--
Joey Olson <[EMAIL PROTECTED]>
#RedHat OnLine
<A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A></pre>
</html>
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From: [EMAIL PROTECTED]
Subject: Re: Strange NFS problem
Date: Fri, 25 Jun 1999 20:21:46 GMT
In article <[EMAIL PROTECTED]>,
[EMAIL PROTECTED] (J�r�me PETAZZONI) wrote:
>
> [EMAIL PROTECTED] (Fung Wai Keung) writes:
>
> > Hi all,
> >
> > I have 3 RedHat machines, where 1 of them act as the NFS server.
> > The NFS server serves user directories /home/users/XX to the
machines,
> > where XX is username of an user. If I login as one of the user
into nfs
> > client machine or access the user directory (like ls) in nfs client
> > machine, I get NFS server not responding error. For user
directories,
> > they work fine. I also export other filesystems from the nfs
server to
> > client machines and these filesystems also work fine. Any idea to
solve
> > the problem?
> >
> check that your NFS fs are REALLY mounted (not mounted with
automounter,
> or in bg). if they are mounted "in the background", the client
attempts
> the "real mount" when you access it.
>
> when you will have it really mounted (the server log should say
> "client blah blah tried to mount /blah/blah"), if it still doesn't
work,
> you're really in trouble :(
>
Even if the mounts are automounts there should not be a problem. I
have home directories set up as automounts, and it works cross-
platform. You might check that the directories mount properly as root,
that they are hard mounted, and that the nfs mount has not gone stale.
Also check the exportfs permissions. You might even want to strace the
mountd process.
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Share what you know. Learn what you don't.
------------------------------
From: lyte <[EMAIL PROTECTED]>
Subject: Re: RedHat 6.0 PPP Applet
Date: Fri, 25 Jun 1999 16:22:57 -0400
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Alfredo Di Tillio wrote:
> Does anyone succeeded in using the PPP applet in the RedHat 6.0
> distribution? I correctly created an interface (that is, my PPP
> connection) using the network configurator, I added a PPP applet to the
> panel, but if I click on it, nothing happens, so that every time I have
> to open the control panel, then the network configurator, and then
> I have to click on "activate" to activate the interface.
>
> Thanks for your help!
> Alfredo
Try using PPP-UP located at http://www.thecomputergallery.com/redhat
It is a very simple chat script that is easy to use and set up.
--
Joey Olson
#RedHat OnLine
http://www.thecomputergallery.com/redhat
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Alfredo Di Tillio wrote:
<blockquote TYPE=CITE>Does anyone succeeded in using the PPP applet in
the RedHat 6.0
<br>distribution? I correctly created an interface (that is, my PPP
<br>connection) using the network configurator, I added a PPP applet to
the
<br>panel, but if I click on it, nothing happens, so that every time I
have
<br>to open the control panel, then the network configurator, and then
<br>I have to click on "activate" to activate the interface.
<p>Thanks for your help!
<br>Alfredo</blockquote>
Try using PPP-UP located at <A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A>
<br>It is a very simple chat script that is easy to use and set up.
<pre>--
Joey Olson <[EMAIL PROTECTED]>
#RedHat OnLine
<A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A></pre>
</html>
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From: lyte <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.setup
Subject: Re: I Need Modem Help.
Date: Fri, 25 Jun 1999 16:25:55 -0400
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Spider wrote:
> I have two modems on my computer because 1 is a WinModem and
> won't work with Linux. The other is an ISA modem that I used to use
> through Linux before I purchased my new machine. Linux wasn't
> recognizing the ISA modem, so I used isapnp to configure it. I spent
> an hour doing it. But now, I don't knwo what to do next. I ran
> xminicom and I still get a blinking cursor and nothing else. That's
> after I run isapnp of course. Do I just go ahead and configure PPP or
> is there more hardware settings that need to be fixed?
> Since the winmodem is connected at the same time, would it be
> in the way of the ISA Modem's operation in Linux? IS there a way for
> Linux to ignore the Winmodem at boot, or should I just take it out and
> use the ISA through Linux and Windows 98? I'm using Slackware 4.0 with
> the 2.2.6 kernel. Any help would be appreciated.
>
> -A.C.
Try setting up ppp-up located at
http://www.thecomputergallery.com/redhat/ppp.shtml
My friend had the same problem and whenever she would boot into linux,
she would use the normal modem and whenever she was in windows she would
use the winmodem.
Best of luck.
--
Joey Olson
#RedHat OnLine
http://www.thecomputergallery.com/redhat
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Spider wrote:
<blockquote TYPE=CITE> I have
two modems on my computer because 1 is a WinModem and
<br>won't work with Linux. The other is an ISA modem that I used to use
<br>through Linux before I purchased my new machine. Linux wasn't
<br>recognizing the ISA modem, so I used isapnp to configure it. I spent
<br>an hour doing it. But now, I don't knwo what to do next. I ran
<br>xminicom and I still get a blinking cursor and nothing else. That's
<br>after I run isapnp of course. Do I just go ahead and configure PPP
or
<br>is there more hardware settings that need to be fixed?
<br> Since the winmodem is connected
at the same time, would it be
<br>in the way of the ISA Modem's operation in Linux? IS there a way for
<br>Linux to ignore the Winmodem at boot, or should I just take it out
and
<br>use the ISA through Linux and Windows 98? I'm using Slackware 4.0 with
<br>the 2.2.6 kernel. Any help would be appreciated.
<p>-A.C.</blockquote>
<p><br>Try setting up ppp-up located at <A
HREF="http://www.thecomputergallery.com/redhat/ppp.shtml">http://www.thecomputergallery.com/redhat/ppp.shtml</A>
<p>My friend had the same problem and whenever she would boot into linux,
she would use the normal modem and whenever she was in windows she would
use the winmodem.
<p>Best of luck.
<br>
<pre>--
Joey Olson <[EMAIL PROTECTED]>
#RedHat OnLine
<A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A></pre>
</html>
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From: [EMAIL PROTECTED]
Subject: Re: /etc/passwd or what else?
Date: Fri, 25 Jun 1999 20:47:41 GMT
The /etc/passwd file does store the passwords unless you use the shadow
utilities.
NIS stores accounts/passwords in a database, and the accounts are
accessible to all machines on the same domain. You can use netgroups
to specify which users are available. To load the accounts into a NIS
map you do have to enter the accounts into a text file. The database
used is gdbm, I have no idea how efficient it is with 280 000 accounts.
In article <[EMAIL PROTECTED]>,
Nicholas E Couchman <[EMAIL PROTECTED]> wrote:
> Your passwords are NOT kept in this file. Instead there is another
file in
> /etc that contains encrypted passwords, thus securing your
passwords. i am
> not sure about NIS, if you find out any info on it, email it to me,
cause it
> sounds pretty neat, I just have no idea how to use.
> --Nick
>
> Marc Eggenberger wrote:
>
> > Hi there ...
> >
> > is there a possibility to use another ident method then /etc/passwd
?
> >
> > I mean on a system with quite a few users (280'000) it's not quite
a good
> > solution .. the /etc/passwd file would be huge and radom access on
a text
> > file tja ... I'd prefer a db where the users are stored in ... is
this
> > what NIS does? Are there any problems with it? are there any other
> > solutions?
> >
> > can any of this other solutions be used with a pop server? I mean
when
> > mail is sent over this server and the /et c/passwd has to be
scanned
> > every time it would go on its knees .....
> >
> > --
> > mfg
> > Eggenberger Marc
>
>
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------------------------------
From: Lyndon Hills <[EMAIL PROTECTED]>
Subject: Router Logging
Date: Fri, 25 Jun 1999 18:23:21 +0100
Hi all,
There is an option in the router setup to perform logging to a unix
machine. To do this the config prog has options of ip address and log,
which can be local 1 thru local 7.
man for syslog seems to indicate I can log local1 thru local7. I added
this to the config file and sure enough I now have a /var/log/local1
file created, but empty. Port 514(?) is active.
2 questions
1) the log options are typed correctly. Would anyone think that the
router offering local 1 and syslog offering local1 is going to mean no
joy? (I cant edit the log names on the router).
2) Would you think I should specify ip address and port in the router
config? (I'll try later).
The router is a Netgear RH348 from bay. OS is RH5.2. I've tried their
tech support, but mentioned linux, and got a response that they have no
linux expertise.
Any ideas would be much appreciated.
L Hills
------------------------------
From: "eLicT" <[EMAIL PROTECTED]>
Subject: Re: simple IPCHAINS script
Date: Fri, 25 Jun 1999 20:51:31 GMT
You seem to be an ipchains expert :) Could you give some insight on how to
make my internal web server accessable from the inet?
Here is my current setup:
Redhat 6 box
*External interface - eth0 (REAL internet IP xxx.xxx.xxx.xxx)
*Internal interface - eth1
Internal systems connected to eth1 (10.0.0.1)
*2 win9x machines (10.0.0.10 & 10.0.0.11)
*1 winnt server (www 10.0.0.12)
I know I need to masq port 80 from eth0 (xxx.xxx.xxx.xxx) and send it to
10.0.0.12, but cant seem to get it working...
thanks!
-e
Hannu wrote in message <[EMAIL PROTECTED]>...
>Here is a simple IPCHAINS script for anybody who wants to get IP
>masquerading/forwarding going on a 2.2.5 kernel (RH6.0)
>You should have the ipchains package installed:
>rpm -q ipchains
>will show if you do.
>This script masquerades your home LAN to the ppp0 interface (modem to
>the Internet).
>Put this script e.g. root's home dir, make it executable (chmod +x
>filename) and execute once you have PPP and your home LAN going.
>Hannu
>
>------------
>#!/bin/bash
># IPCHAINS SCRIPT
>
># LOAD MODULES
># enable ftp functions
>
>/sbin/modprobe ip_masq_ftp
>
># enable masquerading of RealAudio over UDP. Without this
># module,
># RealAudio WILL function but in TCP mode. This can cause a
># reduction
># in sound quality
>#
>/sbin/modprobe ip_masq_raudio
>
># enable masquerading of IRC DCC file transfers
>#
>/sbin/modprobe ip_masq_irc
>
># START FORWARDING AND MASQUERADING
>
># Flush all commands
>ipchains -F
>
># this enables the packet conversion/routing
>ipchains -P forward DENY
>ipchains -A forward -i ppp0 -j MASQ
>echo 1 > /proc/sys/net/ipv4/ip_forward
------------------------------
From: Hannu <[EMAIL PROTECTED]>
Subject: simple IPCHAINS script
Date: Fri, 25 Jun 1999 20:39:48 GMT
Here is a simple IPCHAINS script for anybody who wants to get IP
masquerading/forwarding going on a 2.2.5 kernel (RH6.0)
You should have the ipchains package installed:
rpm -q ipchains
will show if you do.
This script masquerades your home LAN to the ppp0 interface (modem to
the Internet).
Put this script e.g. root's home dir, make it executable (chmod +x
filename) and execute once you have PPP and your home LAN going.
Hannu
============
#!/bin/bash
# IPCHAINS SCRIPT
# LOAD MODULES
# enable ftp functions
/sbin/modprobe ip_masq_ftp
# enable masquerading of RealAudio over UDP. Without this
# module,
# RealAudio WILL function but in TCP mode. This can cause a
# reduction
# in sound quality
#
/sbin/modprobe ip_masq_raudio
# enable masquerading of IRC DCC file transfers
#
/sbin/modprobe ip_masq_irc
# START FORWARDING AND MASQUERADING
# Flush all commands
ipchains -F
# this enables the packet conversion/routing
ipchains -P forward DENY
ipchains -A forward -i ppp0 -j MASQ
echo 1 > /proc/sys/net/ipv4/ip_forward
------------------------------
From: [EMAIL PROTECTED]
Subject: Re: IP use monitoring for uid's
Date: Fri, 25 Jun 1999 20:26:30 GMT
I assume who-u | grep username is not sufficient?
In article <7l051k$gek$[EMAIL PROTECTED]>,
"Pepijn Palmans" <[EMAIL PROTECTED]> wrote:
> Hi
>
> I am searching for a way to know what user is using what IP/eth: on my
> system.
> Is there anyone out there who knows how to check eg. netstat for
uid's ?
>
> so that I can see what user is using what IP (and for what process).
>
> If anyone can help me with this, feel free to mail me or to reply in
the
> newsgroup.
>
> The reason I'm searching for this is that I wanna be able to block
some
> people using some IP's.
> There are some programs for that but I never found one.
>
> Kind regards,
>
> Pepijn, Pinokio the first
> [EMAIL PROTECTED]
>
>
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------------------------------
From: lyte <[EMAIL PROTECTED]>
Subject: Re: PPP - Please no ppp how-to's
Date: Fri, 25 Jun 1999 16:31:14 -0400
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[EMAIL PROTECTED] wrote:
> On Thu, 06 May 1999 15:28:12 +0200, Alex Meisel
> <[EMAIL PROTECTED]> wrote:
>
> >The Pike's wrote:
> >>
> >> The question I am asking is probably the most common asked on the face of
> >> the planet. Does anyone have a txt file on setting up ppp? The so-called
> >> PPP-How To's are so useless I dont think that it was worth the hard drive
> >> space. I am in Red Hat and really want to know the answer of this. I once
> >> got a file that was very easy, it was a small, 20k txt file on it. It
> >> worked sweet, but then I had to reformat... Please help, I know this is a
> >> very common problem but I really want to knoow this answer to this. If you
> >> could please reply to this I will be very thankful.
> >>
> >> Thanx
> >>
> >> Dan.
> >Hi Dan!
> >
> >If you are a RedHat-User try the linuxconf tool to setup your ppp.
> >
> >Soooo long!
> > AleX
>
> Living in North Carolina, I attended the Linux Expo in Raligh a few
> weeks ago! I tried 5.0 several years ago, bought books, etc! But,
> for the life of me was unable to set up my internet account! At the
> Linux Expo all different kinds of promises came out of Red Hat that I
> would find it "easy" to set-up my server! Well, three weeks, 2 hours
> per day later I find I can't get it going! Where is the documentation
> from Red Hat that they promised on this (ppp) in Linuxconf?
>
> Very Frustrated and only asking for some help! I have printed out
> more "How-To's than is legal! :) Right now I'm printing out Unruh's
> How-To!
>
> Frankly, I think folks like Red Hat and all the others are nothing but
> a bunch of N.C. type politicians who make the promise and don't even
> think about doing it!
Try PPP-UP located on our site at
http://www.thecomputergallery.com/redhat/ppp.shtml
I guarantee you it is very very easy to set up.
Best of luck.
--
Joey Olson
#RedHat OnLine
http://www.thecomputergallery.com/redhat
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[EMAIL PROTECTED] wrote:
<blockquote TYPE=CITE>On Thu, 06 May 1999 15:28:12 +0200, Alex Meisel
<br><[EMAIL PROTECTED]> wrote:
<p>>The Pike's wrote:
<br>>>
<br>>> The question I am asking is probably the most common asked on the
face of
<br>>> the planet. Does anyone have a txt file on setting up ppp?
The so-called
<br>>> PPP-How To's are so useless I dont think that it was worth the hard
drive
<br>>> space. I am in Red Hat and really want to know the answer
of this. I once
<br>>> got a file that was very easy, it was a small, 20k txt file on it.
It
<br>>> worked sweet, but then I had to reformat... Please help, I
know this is a
<br>>> very common problem but I really want to knoow this answer to this.
If you
<br>>> could please reply to this I will be very thankful.
<br>>>
<br>>> Thanx
<br>>>
<br>>> Dan.
<br>>Hi Dan!
<br>>
<br>>If you are a RedHat-User try the linuxconf tool to setup your ppp.
<br>>
<br>>Soooo long!
<br>> AleX
<p>Living in North Carolina, I attended the Linux Expo in Raligh a few
<br>weeks ago! I tried 5.0 several years ago, bought books, etc!
But,
<br>for the life of me was unable to set up my internet account!
At the
<br>Linux Expo all different kinds of promises came out of Red Hat that
I
<br>would find it "easy" to set-up my server! Well, three weeks,
2 hours
<br>per day later I find I can't get it going! Where is the documentation
<br>from Red Hat that they promised on this (ppp) in Linuxconf?
<p>Very Frustrated and only asking for some help! I have printed
out
<br>more "How-To's than is legal! :) Right now I'm printing
out Unruh's
<br>How-To!
<p>Frankly, I think folks like Red Hat and all the others are nothing but
<br>a bunch of N.C. type politicians who make the promise and don't even
<br>think about doing it!</blockquote>
Try PPP-UP located on our site at <A
HREF="http://www.thecomputergallery.com/redhat/ppp.shtml">http://www.thecomputergallery.com/redhat/ppp.shtml</A>
<br>I guarantee you it is very very easy to set up.
<br>Best of luck.
<pre>--
Joey Olson <[EMAIL PROTECTED]>
#RedHat OnLine
<A
HREF="http://www.thecomputergallery.com/redhat">http://www.thecomputergallery.com/redhat</A></pre>
</html>
==============D5985EB5D12C975B537579B2==
------------------------------
From: David Crooke <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Subject: Re: /etc/passwd or what else?
Date: Fri, 25 Jun 1999 21:12:29 GMT
Even NIS would toil with 280K users in a single domain. This is what
NIS+ is for, but it's a git to set up.
I would be amused to see what NT would do with 280,000 users in a single
domain - oops, lets load 280,000 items into a VB tree control -
UserManagerforDomains.exe, out of memory.....BSOD.
------------------------------
Date: Fri, 25 Jun 1999 21:47:57 +0200
From: Marc Mutz <[EMAIL PROTECTED]>
Crossposted-To: alt.os.linux.dial-up,yale.users.linux
Subject: Re: triggering pppd through external phone call
Bill Unruh wrote:
>
> Why do you not just connect via ppp to your home machine? YOur procedure
> sounds a very roundabout way of doing things. Ie, set up mgetty, dial in
> from our work machine, mgetty answers, you log on and run ppp on the
> home machine and then ppp on your work machine. Or set up AutoPPP and
> use pap, or...
I guess he cannot really dial in from his working place, but instead
just rings his home and touchtone-dials some numbers so the computer
knows that he wants this or that. Then the box hangs up, connects to his
ISP and mails him it's new IP addr., so that he can now use the
company's Internet gateway to log into his home box. Would be a really
nice thing if that worked somehow. I could use it myself...
Maybe one should study one's modem documentation to check, if it is
poosible to tell the modem to report dialtone'd numbers. A voice modem
at least should be able to do that, thinking about those intelligent
automated call answer machines that I obviously do not know the english
name for :-)
Hello, this is the ...(see one line above) of Marc.
If it is important, type 1 to be redirected to my non-existant mobile
phone.
If you want to ask questions about linux, type 2 to get to my voice
recorder.
If you are my girl friend: Where have you been last night.
etc etc.
How do they do such things?
Marc
------------------------------
Date: Fri, 25 Jun 1999 22:14:25 +0200
From: Marc Mutz <[EMAIL PROTECTED]>
Subject: Re: FTP user restriction
[EMAIL PROTECTED] wrote:
>
> Hi everyone..!
>
> Surpose you have to give a person access to a
> linux server, but the user most only have FTP
> access and must only be able to see a few
> directories.
>
If a given user needs only see 'his' directory, where 'his' means
'none-of-the-other-one's', you could give 'em each a home directory and
make their login shell /dev/null.
Marc
------------------------------
Date: Fri, 25 Jun 1999 22:03:51 +0200
From: Marc Mutz <[EMAIL PROTECTED]>
Subject: Re: /etc/passwd or what else?
Marc Eggenberger wrote:
>
> I mean on a system with quite a few users (280'000) it's not quite a good
> solution .. the /etc/passwd file would be huge and radom access on a text
> file tja ... I'd prefer a db where the users are stored in ... is this
> what NIS does?
It is. But then you have the bottleneck of the ypserv. Maybe shadow
passwords are what you want.
> Are there any problems with it? are there any other solutions?
>
> can any of this other solutions be used with a pop server? I mean when
> mail is sent over this server and the /et c/passwd has to be scanned
> every time it would go on its knees .....
>
Shadow pw's should work with almost all programs.
Marc
------------------------------
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