Re: linux security/network issue....

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On Saturday 18 January 2003 12:57 pm, Bruce Douglas wrote:
> hi...
>
> I have an issue that I believe points to Linux network security. I'm
> trying to set my network up to allow external users view my internal
> Apache server. My network setup is as follows:
>
>
>
> he Setup:
>
> 	+----------------+
>
> 	| External World |
>
> 	+----------------+
> 	         ^
>
> 	         |(12.222.33.11)
>
> 	         v
> 	+-----------------+
>
> 	| Firewall/Router | (198.222.33.1)
> 	|    (Linksys)    |<--------------+
>
> 	+-----------------+               |
>
>                                         | (Internal Network)
>
>                                         v
>                 +------------------------------------------+
>
>
>                 v                                          v
>            +--------------+                       +---------------+
>
>            |  Linux Box   | (192.222.33.4)        | Windows 2K
>
> Box|(192.222.33.5)
>
>            |   (Apache)   |                       |    (Apache)   |
>            |
>            |              |                       |  (PuTTY)      |
>
>            +--------------+                       |               |
>                                                   +---------------+
>
>
> If I configure my router to do port forwarding with Port 80 pointing
> to the Windows Box with Apache, external users can view the server.
> If I change the router/port forwarding to point to the Linux
> Box/Apache server, the user is unable to access the Apache server. A
> quick review of the Apache log files does not reveal a hit to the
> server. This seems to indicate that the request from the external
> user didn't "get" to the Apache server.
>
I have the same setup, except I have 4 computer on my lan.  Two have 
Apache running.

> I'm begining to believe that the real issue has to do with how the
> Linux box is configured to accept/handle network communications. I'm
> able to look at the linux Apache server from other boxes within my
> network, provided I use the internal (192.XX) address. So the Apache
> server is working properly.

If you are running stock RH, what answer did you give to the firewall 
question?  RH defaults the firewall to be on and blocks just about 
everything.  Are you running IPtables or some such?

My system works fine.  The down side of the Linksys router is that you 
can only forward a port to one IP at a time.  I use virutal servers on 
my main Apache box so all the port 80 stuff goes to the same place.

mw
>
> So my question: How do I expand the IP addresses that are able to
> access the Linux Box? Or, might there perhaps be another problem? I'm
> realtively new to the world of Linux. I have RH 8.0 with the Gnome
> GUI. Pointers/assistance to whatever functions/commands would be
> appreciated!!
>
>
> Thanks
>
> Bruce Douglas
> bedouglas@earthlink.net
>
>
>
>
>
>
> -----Original Message-----
> From: psyche-list-admin@redhat.com
> [mailto:psyche-list-admin@redhat.com]On Behalf Of
> mlist.redhat.psyche@urs.us
> Sent: Saturday, January 18, 2003 10:02 AM
> To: psyche-list@redhat.com
> Subject: Re: Mozilla 1.2.1 fails to start
>
>
> ==> "wh" == Wade Hampton <wade.hampton@nsc1.net> writes:
>
>     wh> Folks, I have a strange problem.  I updated RH8 to the latest
>     wh> packages and to Mozilla 1.2.1 xft (mozilla-1.2.1-0_rh8_xft).
>     wh> All seemed OK until this morning.  When I went to start
>     wh> mozilla, it would not start initially
>
> I've also had mozilla-won't-start problems.  I wasn't sure of
> the initial cause, but I traced it to a corrupted 'XUL.mfasl' file
> in the profile directory.  If I deleted this file, mozilla
> started again.
>
> Carl

-- 
Registered Linux - 256979
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ARS: W0TMW



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