Linux --> NT --> MS Proxy Server --> Internet

Linux --> NT --> MS Proxy Server --> Internet

Post by Victor R. Rivarol » Sun, 19 Oct 1997 04:00:00



Hello everyone,

I have a Linux box that is connected to a LAN.  The LAN is connected to
the Internet through an NTS 4.0 box using Microsoft Proxy Server, as we
have only 1 IP address for the entire LAN.

Currently, I cannot make Linux see the Internet.  Netscape 4.03 for
Linux does sees it, though, but only for Web browsing (no mail or
news).   My question is, then, how do I make Linux see the Internet in
this case?

I have tried Socks5 and Squid.  Neither of them worked.  I don=B4t want t=
o
spend too much time with either because I don=B4t even know for sure that=

they will do what I need them to do.  This is because I don=B4t know what=

is the protocol MS Proxy Server is really using, as it may be some
proprietary mess.

Thanks in advance,

Victor R. Rivarola

 
 
 

Linux --> NT --> MS Proxy Server --> Internet

Post by Feisal C.R. Lam-Lio » Sun, 19 Oct 1997 04:00:00


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Victor,

According to your information, the problem resides in the authentication
process. Microsoft uses it's own authentication method. You could try to
enable passthrough in the MS-Proxy server. Of course that would't solve your
problem, but then you're sure that it's a Microsoft problem!!
I've heard that there are some patches for Netscape at the Microsoft site,
but I think they were for Netscape 3.x browsers.

Let me know of your progress...
Feisal Lam-Lion


> Hello everyone,

> I have a Linux box that is connected to a LAN.  The LAN is connected to
> the Internet through an NTS 4.0 box using Microsoft Proxy Server, as we
> have only 1 IP address for the entire LAN.

> Currently, I cannot make Linux see the Internet.  Netscape 4.03 for
> Linux does sees it, though, but only for Web browsing (no mail or
> news).   My question is, then, how do I make Linux see the Internet in
> this case?

> I have tried Socks5 and Squid.  Neither of them worked.  I dont want to
> spend too much time with either because I dont even know for sure that
> they will do what I need them to do.  This is because I dont know what
> is the protocol MS Proxy Server is really using, as it may be some
> proprietary mess.

> Thanks in advance,

> Victor R. Rivarola

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Linux --> NT --> MS Proxy Server --> Internet

Post by Gustav Lundb » Mon, 20 Oct 1997 04:00:00


I am not quite shure of this but I think that using WINPROXY will let HTT=
P,
MAIL,NEWS,FTP etc through using port 80 for all. I have not yet gotten my=

LINUX box up on the LAN, but since this works fine from all internett
applications under Win95 in the LAN, why should it not from a UNIX box? I=
t
is just a question of tcp/IP on the right soket to the proxy server, whic=
h
then takes care of the rest, translating the internal IPs to the single
external one.


> Hello everyone,

> I have a Linux box that is connected to a LAN.  The LAN is connected to=
> the Internet through an NTS 4.0 box using Microsoft Proxy Server, as we=
> have only 1 IP address for the entire LAN.

> Currently, I cannot make Linux see the Internet.  Netscape 4.03 for
> Linux does sees it, though, but only for Web browsing (no mail or
> news).   My question is, then, how do I make Linux see the Internet in
> this case?

> I have tried Socks5 and Squid.  Neither of them worked.  I don=B4t want=
 to
> spend too much time with either because I don=B4t even know for sure th=
at
> they will do what I need them to do.  This is because I don=B4t know wh=
at
> is the protocol MS Proxy Server is really using, as it may be some
> proprietary mess.

> Thanks in advance,

> Victor R. Rivarola

 
 
 

Linux --> NT --> MS Proxy Server --> Internet

Post by David J. Wei » Mon, 20 Oct 1997 04:00:00


There is an option for Proxy Server that deals with authentication. I have
run macs with Netscape thru ms proxy. It will put up one of the normal
username password dialogs like when you hit a normal password protected
site. You need to put in a valid username/password for an account on the
nt machine. The option may be called plaintext or something similar.

I'm not sure how well it will work for mail and news. It should be able to
do NNTP proxy but that probably costs extra :-)

djweis

David Weis


> Victor,
>=20
> According to your information, the problem resides in the authentication
> process. Microsoft uses it's own authentication method. You could try to
> enable passthrough in the MS-Proxy server. Of course that would't solve y=
our
> problem, but then you're sure that it's a Microsoft problem!!
> I've heard that there are some patches for Netscape at the Microsoft site=
,
> but I think they were for Netscape 3.x browsers.
>=20
> Let me know of your progress...
> Feisal Lam-Lion
>=20

 
 
 

Linux --> NT --> MS Proxy Server --> Internet

Post by Ryan Miniha » Wed, 22 Oct 1997 04:00:00




Hello everyone,

I have a Linux box that is connected to a LAN.  The LAN is connected to
the Internet through an NTS 4.0 box using Microsoft Proxy Server, as we
have only 1 IP address for the entire LAN.

Currently, I cannot make Linux see the Internet.  Netscape 4.03 for
Linux does sees it, though, but only for Web browsing (no mail or
news).   My question is, then, how do I make Linux see the Internet in
this case?

<snip>

MS-Proxy 2.0 uses SOCKS 4.  You can read about it at
http://www.veryComputer.com/
Good luck.


Ryan Minihan
*highway Technical Support

----------

 
 
 

Linux --> NT --> MS Proxy Server --> Internet

Post by nate dut » Wed, 22 Oct 1997 04:00:00


Stardate Sun, 19 Oct 1997 10:47:31 +0200:

Quote:> I am not quite shure of this but I think that using WINPROXY will let HTT=
> P,
> MAIL,NEWS,FTP etc through using port 80 for all. I have not yet gotten my=

> LINUX box up on the LAN, but since this works fine from all internett
> applications under Win95 in the LAN, why should it not from a UNIX box? I=
> t
> is just a question of tcp/IP on the right soket to the proxy server, whic=
> h
> then takes care of the rest, translating the internal IPs to the single
> external one.

The problem is probably that MS-Proxy Server required a client to have
this 'transparent' kind of proxy service.  And you can bet that there's
not a client available for Linux.  I haven't worked the configuration
side of proxy server, but maybe what one could do is specify a few non
standard ports (like 5069 and stuff) to have it be a direct gateway to a
news server, ftp proxy, etc...

As for Win32 proxy servers, I've found WinGate is much easier to deal
with Linux boxes.  Of course, I've also found that Linux+IP_Masquerading
is the best option.

See ya...
--

University of Wisconsin-Madison Computer Science
http://www.cs.wisc.edu/~dutra
~`+ Linux Inside - http://www.linux.org +`~


 
 
 

Linux --> NT --> MS Proxy Server --> Internet

Post by Dan » Sat, 25 Oct 1997 04:00:00


Quote:> Currently, I cannot make Linux see the Internet.  Netscape 4.03 for
> Linux does sees it, though, but only for Web browsing (no mail or
> news).   My question is, then, how do I make Linux see the Internet in
> this case?

You can only use MS-Proxy as an http proxy. All the other proxies functions
are done by installing a winsock proxy that comes with it. That is: WINSOCK
proxy , so only those with windows boxes will be able to , for example,
telnet through the NT

An alternative (and much more reliable) solution would be to set up
Linux with IP-masquerading.

I have installed Ms Windows proxy and NT because some of our clients want so,
but we run IP-masquerading ourselves, not because it is cheaper but
because it si far more flexible (it is completely transparent, no
client software as with Winsock proxy) _and_ reliable

Hope this helps

Daniel

--

-----------------------------------------------------------------------------
Daniel Lopez Ridruejo        "When men were men and wrote their own drivers"

-----------------------------------------------------------------------------

 
 
 

Linux --> NT --> MS Proxy Server --> Internet

Post by Dan » Fri, 31 Oct 1997 04:00:00



> Stardate Sun, 19 Oct 1997 10:47:31 +0200:

> > I am not quite shure of this but I think that using WINPROXY will let HTT=
> > P,
> > MAIL,NEWS,FTP etc through using port 80 for all. I have not yet gotten my=

> > LINUX box up on the LAN, but since this works fine from all internett
> > applications under Win95 in the LAN, why should it not from a UNIX box? I=
> > t
> > is just a question of tcp/IP on the right soket to the proxy server, whic=
> > h
> > then takes care of the rest, translating the internal IPs to the single
> > external one.

No. it doesn't work on an UNIX machine because unices do not have WINSOCK.DLL
:-)

The point is that you have to install a client which translates all system
calls to winsock.dll in the machine behind the proxy to calls to the
winsock.dll in the proxy machine. It is somewhat a primitive "Ip masquerading"
It is OK when all the machines behind the proxy are windows boxes.

I do not know if things have changed since ver 1.0 (now they have MS Proxy
2.0)  But (despite from the prohibitive price) I think a well configured
linux box can make the same work better and _far_ more reliably.

 
 
 

1. MS$ NT > Linux Firewall > Internet > MS$ NT PPTP Server

Please excuse the <seemingly> newbie question, but I have an issue.  I
would like the ability to manage my corporate network from home via PPTP
rather than 28.8k PPP.  I have a cable modem at home, with a Linux
router / firewall.  I'm unable to establish a PPTP connection through
the Linux box.  Below are the specs:

Linux Box:
    PII233 96MB RAM
    RH Linux 6.0, kernel 2.2.14
    IPCHAINS

NT Box:
    NT4 Wks SP5
    NIC / Modem
    PPTP client

I can connect via PPTP in any environment not including my Linux box,
and according to the documentation at the IP Masquerading Resource,
there's a kernel patch.  Unfortunately, I have had no luck finding the
patch for a 2.2.14 kernel.  Any assistance would be greatly appreciated.

Regards,

Nathan Underwood

http://www.utcm.com

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