[THIN] Re: OT: Exchange thru internet

  • From: "John Knightly" <jknightly@xxxxxxxxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Thu, 28 Aug 2003 15:44:32 -0700

How about a PIX, and the cisco VPN client?

        -----Original Message-----
        From: John Carlson [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of John 
Carlson
        Sent: Thursday, August 28, 2003 1:40 PM
        To: thin@xxxxxxxxxxxxx
        Subject: RE: [THIN] Re: OT: Exchange thru internet
        
        
        I have done this and the problem I ran into was performance. It is very 
slow and sometimes the outlook will appear to be frozen while it communicates 
with the server. My user would then go to the task manager which would show 
Outlook to be (not responding) when in reality it was just downloading some 
attachment or something. It was a total nightmare to support. Why not use OWA 
for public folder access?

                -----Original Message----- 
                From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx] 
                Sent: Thu 8/28/2003 12:21 PM 
                To: 'thin@xxxxxxxxxxxxx' 
                Cc: 
                Subject: [THIN] Re: OT: Exchange thru internet
                
                
                The reason for doing it over the internet is 2 fold.  First, we 
have lots of public folders and calendars they need access too.  Second, they 
like the ability to sync there laptop when connected over the internet then get 
in and edit everything while offline. 
                 

                _________________________________
                
                Michael Boggan
                Network Engineer/Citrix Admin
                Virtual Desktop Inc.
                Dallas, Texas
                Ph: (972) 960-6400
                Fax: (972) 960-6445
                email: mboggan@xxxxxxxxxxx
                http://www.virtualdesktopinc.com 
<http://www.virtualdesktopinc.com/> 
                _________________________________
                
                For Technical Support during business hours please send email 
to support@xxxxxxxxxxx or call the above toll free number for afterhours 
support.

                        -----Original Message-----
                        From: Ryan Lambert [mailto:rlambert@xxxxxxxxxxxxxxx]
                        Sent: Thursday, August 28, 2003 7:16 AM
                        To: thin@xxxxxxxxxxxxx
                        Subject: [THIN] Re: OT: Exchange thru internet
                        
                        

                        I would simply publish the application through Citrix. 
That way you get everything, and on a decent connection a lot less speed 
degredation.

                         

                        What is the reason you want "Exchange over the 
Internet", anyway? I mean, you can set up POP/SMTP with ports 110/25 open and 
that will be fine. But Exchange featured mail is going to be a drag for you to 
support, in my opinion.

                         

                        -Ryan

                         

                         

                        -----Original Message-----
                        From: Evan Mann [mailto:emann@xxxxxxxxxxxxxxxxxxxxx] 
                        Sent: Wednesday, August 27, 2003 7:58 PM
                        To: 'thin@xxxxxxxxxxxxx'
                        Subject: [THIN] Re: OT: Exchange thru internet

                         

                        not that this is relevant to Citrix, but Exchange 2003 
with Outlook 11 (2003) offers MAPI over HTTP.  I'm going to do some testing 
with it tomorrow in fact.  Need to find out if you can SSL encrypt it and if 
so, how.

                         

                                -----Original Message-----
                                From: thin-bounce@xxxxxxxxxxxxx 
[mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of John Knightly
                                Sent: Wednesday, August 27, 2003 6:30 PM
                                To: thin@xxxxxxxxxxxxx
                                Subject: [THIN] Re: OT: Exchange thru internet

                                outlook over the internet...are you smoking 
crack?

                                        -----Original Message-----
                                        From: Jeanne Shotton 
[mailto:jeanne@xxxxxxxxxxxxxxxxx] 
                                        Sent: Wednesday, August 27, 2003 3:06 PM
                                        To: thin@xxxxxxxxxxxxx
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        amen

                                        -----Original Message-----
                                        From: thin-bounce@xxxxxxxxxxxxx 
[mailto:thin-bounce@xxxxxxxxxxxxx]On Behalf Of M
                                        Sent: Wednesday, August 27, 2003 5:04 PM
                                        To: thin@xxxxxxxxxxxxx
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        Dare i mention the words Citrix Secure 
Gateway ? i did think this was a Citrix forum :¬)

                                        ----- Original Message ----- 

                                        From: Michael Boggan 
<mailto:MBoggan@xxxxxxxxxxx>  

                                        To: 'thin@xxxxxxxxxxxxx' 

                                        Sent: Wednesday, August 27, 2003 10:53 
PM

                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                         

                                        yeah i changed the DS and IS ports to 
5000 and 5001 respectively and had all this working using RPC on the 135 
working.  but had to close 135 when blaster came out.  if you find a way to 
change the 135 to somethign else, i'd really like to. i have many users wanting 
the outlook over the internet to work again.  

                                         

                                        _________________________________
                                        
                                        Michael Boggan
                                        Network Engineer/Citrix Admin
                                        Virtual Desktop Inc.
                                        Dallas, Texas
                                        Ph: (972) 960-6400
                                        Fax: (972) 960-6445
                                        email: mboggan@xxxxxxxxxxx
                                        http://www.virtualdesktopinc.com 
<http://www.virtualdesktopinc.com/> 
                                        _________________________________
                                        
                                        For Technical Support during business 
hours please send email to support@xxxxxxxxxxx or call the above toll free 
number for afterhours support.

                                        -----Original Message-----
                                        From: Henry Sieff 
[mailto:hsieff@xxxxxxxxxxxx]
                                        Sent: Wednesday, August 27, 2003 4:07 PM
                                        To: 'thin@xxxxxxxxxxxxx'
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        You can change the endpoint itself (the 
link I sent describes that process). The endpoint mapper is a different ball of 
wax. If you did actually do that, then I am absolutely all ears, since this is 
a perennially recurring topic on several security mailing lists I am on, and 
the general consensus has always been: don't allow exchange access direct from 
the internet because of all the nasties out there.

                                         

                                        Anyways, let me know what you find.

                                        -----Original Message-----
                                        From: Magnus [mailto:magnus@xxxxxxxx]
                                        Sent: Wednesday, August 27, 2003 3:29 PM
                                        To: thin@xxxxxxxxxxxxx
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        If I recall correctly we did change the 
RPC endpoint for it.  I will have to double check my notes though (I could be 
wrong)

                                        -----Original Message-----
                                        From: thin-bounce@xxxxxxxxxxxxx 
[mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Henry Sieff
                                        Sent: Wednesday, August 27, 2003 3:20 PM
                                        To: 'thin@xxxxxxxxxxxxx'
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        Nope. You can change the ports exchange 
uses, but not the RPC endpoint mapper port on 135.

                                         

                                        
http://support.microsoft.com/default.aspx?scid=kb;en-us;155831 details how to 
change the ports exchange uses, but there is no way to change the RPC endpoint 
mapper service port number. Keep in mind that the client still has to identify 
which ports the exchange service is listening on, and that requires a service 
which uses a port that the client knows about ahead of time, in this case, RPC 
on 135.

                                         

                                         

                                         

                                         

                                        -----Original Message-----
                                        From: Magnus [mailto:magnus@xxxxxxxx]
                                        Sent: Wednesday, August 27, 2003 11:02 
AM
                                        To: thin@xxxxxxxxxxxxx
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        Actualy you change change the port to a 
static port(by default it will dynamically assign the port once it gets 
connected) even the TCP 135 port.  There are a couple of MS KB's on it (sorry I 
dont have the numbers)  I ended up calling ms and I had it set up in about 20 
minutes

                                         

                                        Magnus

                                        -----Original Message-----
                                        From: thin-bounce@xxxxxxxxxxxxx 
[mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Henry Sieff
                                        Sent: Wednesday, August 27, 2003 11:49 
AM
                                        To: 'thin@xxxxxxxxxxxxx'
                                        Subject: [THIN] Re: OT: Exchange thru 
internet

                                        To use the full exchange server client, 
you must open up the RPC endpoint mapper port (135). You can set which port 
exchange actually ends up using, but 135 is used to initiate the process 
whereby the client learns that port number.

                                         

                                        -----Original Message-----
                                        From: Michael Boggan 
[mailto:MBoggan@xxxxxxxxxxx]
                                        Sent: Wednesday, August 27, 2003 10:41 
AM
                                        To: 'thin@xxxxxxxxxxxxx'
                                        Subject: [THIN] OT: Exchange thru 
internet

                                        I want to be able to hit my exchange 
thru the internet but to do it it says that the RPC port 135 has to be opened.  
Well I don't want to do that for obvious reasons.  Is there a way to change 
which port the RPC uses for exchange?  

                                        _________________________________
                                        
                                        Michael Boggan
                                        Network Engineer/Citrix Admin
                                        Virtual Desktop Inc.
                                        Dallas, Texas
                                        Ph: (972) 960-6400
                                        Fax: (972) 960-6445
                                        email: mboggan@xxxxxxxxxxx
                                        http://www.virtualdesktopinc.com 
<http://www.virtualdesktopinc.com/> 
                                        _________________________________
                                        
                                        For Technical Support during business 
hours please send email to support@xxxxxxxxxxx or call the above toll free 
number for afterhours support.

                                         

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