{#}  Replies are directed back to [EMAIL PROTECTED]
{#}  To reply to the author, write to Alex Kac <[EMAIL PROTECTED]>

I agree. That's why I'm perplexed. I was using NAT through a hardware
linksys box. I'm now using NAT through a software FreeBSD box. The FreeBSD
box is using natd - a daemon that comes with FreeBSD 4.5. There are NO
firewall rules at this time.

OS X:
MSN Messenger 2.1 works with this
MSN Messenger 3.0 works with this
AIM works with this
Yahoo IM works with this
ICQ works with this
Fire AIM/ICQ/Yahoo work with this
Fire MSN does NOT work at this time in this config
Proteus MSN does NOT work at this time in this config

Windows:
Trillian works with this
MSN Messenger 4.6 works with this

So since Fire and Proteus share the same MSN lib, my guess is that there is
a bug or problem with the MSN lib. But since I know this CAN work through
NAT and the only change has been the move to natd from the Linksys box, I
can only assume that there is something there. Now I'm not a natd expert,
though I DO know unix and networking fundamentals fairly well. Since I don't
see getting the MSN lib fixed quickly, I'd rather look at what in natd
breaks the MSN library. But since I'm new at natd, I'm not even sure what to
look for or possibly common issues. I'm also not sure if perhaps I'd be
better of downloading a better NAT daemon and using that...

--  
Alex Kac, CEO/Developer

Innovation in Personal and Business Information Management
http://www.pocketinformant.com/

zoomzoom 


> From: "David V. Baker" <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> Date: Tue, 11 Jun 2002 21:05:21 -0400
> To: [EMAIL PROTECTED]
> Subject: Re: Firewall/NAT problem?
> 
> {#}  Replies are directed back to [EMAIL PROTECTED]
> {#}  To reply to the author, write to "David V. Baker" <[EMAIL PROTECTED]>
> 
> 
> In response to a problem email, Eric said:
> 
>> Fire is not supported through any kind of firewall or natd connection.
>> We have tried to make sure it *might* work, but there are no guarantees.
> 
> Alex Kac said:
> 
>> I not do think its a great idea to not support firewalls/natd. I
>> don't like the idea that I have to choose between securing my network
>> or keeping it open just for chat. And considering that most of the
>> world does use some sort of firewall/natd...well, it just doesn't
>> seem right.
> 
> It dawned on me that most everyone is behind a NAT router these days;
> this cannot be a widespread problem. I am behind two NATs at home
> (Airport and SpeedStream PPPoE router to DSL), two at the office, plus
> some strict firewall rules at work. But I have never had any trouble
> with Fire because of NAT routers or my firewalls.
> 
> I think it is because Fire and many (all?) of its various clients are
> "normal" clients that connect from an unprivileged high-port to a
> well-known destination port; the response stream from the server comes
> back to the source port, just like most everything. *All* NAT systems
> should be able to figure that out; it is fundamental functionality.
> (Things like peer-to-peer AIM voice-talking or file-sharing require
> different functionality and they are almost always hosed by NAT.)
> 
> So, as long as AOL and Yahoo and whoever keep their server models the
> same, Fire will work through NAT routers, and it'll work through
> firewalls, just like a web browser or POP or telnet or any other
> service.  I think the only thing that will cause any real trouble are
> firewall rules specifically designed to keep chat traffic out.
> 
> And if this NAT/firewall discussion all really started because some AIM
> TOC servers went down today, then...umm, sorry, and uhh, *nevermind*.
> 
> Dave Baker
> -- 
> -----------------------------------------------------------------
> David V. Baker       Voice/Cell:617-331-1642    Fax: 603-806-8545
> mailto:[EMAIL PROTECTED]                          www.whysheep.com
> 
>  It's easy to downgrade people by dwelling on their
>     weaknesses.  It's harder to look at them with
>  fresh eyes and identify their strengths -- and how
>      they can help the organization to function.
>      pg 32, Finding a Way To Win, Bill Parcells
> 
> {#} ----------------------------------------------------+[ fire ]+---
> 
> 
> 


{#} ----------------------------------------------------+[ fire ]+---


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