Great Circle Associates Firewalls
(December 1996)
 

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Subject: Re: Providing Reverse DNS Info Via http-gw
From: Joachim von Thadden <thadden @ bbaw . de>
Organization: Berlin-Brandenburgische Akademie der Wissenschaften
Date: Thu, 12 Dec 1996 15:12:50 +0100
To: Robert Williams <robw @ marineterminals . com>
Cc: firewalls @ greatcircle . com, fwtk-users @ ex . tis . com
References: <19961211194232 . AAA21116 @ taoist . marineterminals . com>
Reply-to: thadden @ bbaw . de

Robert Williams wrote:
> 
> [To be removed from this list send the message "unsubscribe fwtk-users" in the
> BODY of a mail message to majordomo @
 ex .
 tis .
 com .
 ]
> 
> I am pretty sure this has been addressed in the past, but I haven't been
> able to find the answers I'm looking for.  I am using fwtk1.3.  While
> employing the gopher/ftp function of http-gw, I notice that all of the
> growing number of FTP sites requireing reverse DNS mapping fail to connect,
> leaving only a message similar to the following in my syslog:
>         Dec 10 00:00 myproxyhost authsrv[24559]: deny
> host=host.domain.com/<IP Address>
> 
> ftp-gw works just fine on the same machine.
> 
> What can I do to http-gw to let it return the DNS info of my proxy host to
> those sites asking for it?  Is netperm-table misconfigured?
> Is there a fix already out there that I can employ?
> 
> Thanks in advance for your time and attention.
> 
> Rob Williams
> 
> "They can fly circles 'round the moon.... but we're YEARS ahead of 'em on
> the highway"

Have you tested your DNS, that reverse mapping works fine? We had the
same problem just because a dot was missing in the reverse map of our
DNS server. You have to test it using another server and asking with
"nslookup :IP-Address of your proxy:".

		Joachim von Thadden

************************************************************************
Berlin-Brandenburg Academy of Sciences		Joachim von Thadden
Jaegerstrasse 22-23				System Administration
10117 Berlin					thadden @
 bbaw .
 de

http://www.bbaw.de				phone +49 +30 203 70 375
info @
 bbaw .
 de					fax   +49 +30 203 70 444
************************************************************************



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