[THIN] Re: Web Interface 2.0 (thanks everyone!!)

  • From: "Matthew Shrewsbury" <MShrewsbury@xxxxxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Thu, 5 Aug 2004 08:51:25 -0400

Thanks everyone for your input. Right now I have to go with just Web
Interface but perhaps later on I'll get the green light for CSG. My
manager doesn't know what CSG is (I almost got my 30 seconds to explain)
so I've been told to stick with standard Web Interface.

I am glad to hear you can run WI, CSG, and STA all on the same box as I
don't have a server spare and I don't like the idea of running it on a
metaframe box.

Again thanks for all the input!!!

Matthew Shrewsbury, MCSE+Internet MCSE 2000 CCA
Network Administrator

-----Original Message-----
From: Alexander Danilychev [mailto:teknica@xxxxxxxxxxx] 
Sent: Thursday, August 05, 2004 4:08 AM
To: thin@xxxxxxxxxxxxx
Subject: RE: [THIN] Re: Web Interface 2.0

I will not follow suggestion to run STA on one selected MetaFrame server
- 
server goes down and your CSG connectivity is in jeopardy (unless you
have 
one server and CSG is not primary concern when MetaFrame box goes down).

True, you can drop STAs on every single MetaFrame box, however it may
impact 
your farm maintenance due to additional app to worry about, i.e. you
will be 
required to maintain (and yes, patch few times a month) IIS on every STA

box. If IIS patches are painful, I would also substitute IIS for XML
service 
with Citrix native listener.

With new CSG version it is not tricky anymore to run STA, CSG and WI on
one 
box. Just make sure STA is not exposed to outsiders (multi-homing will 
help). At low budget you can also deploy MetaFrame on the same box
assuming 
user count is low (5-10 or even more, depending on user requirements).

I recommend focusing on CSG stability and suggest dedicated box if you
plan 
on 50+ users. Although Citrix reports CSG's capability to support 1000+ 
concurrent connections (nice pipe required :), I will be concerned with 
denial of service attacks when your web requests go through CSG along
with 
ICA traffic and thus expose CSG to issues not very relevant to a
standalone 
install.

If two boxes for CSG/STA/WI are available I will group STA/WI together
and 
keep CSG separate. It would not be bad to keep STA on a separate IP not 
accessible to outside users. This configuration will require minimum two
SSL 
certificates (versus minimum one on a single box), but certificates are
not 
that expensive ($50-100). If you cannot afford buying "real" servers, 
low-end PCs will do without any problem for 100+ users (might be not an 
option with your Company policy).

Again, the point here is to keep continuous data flow through CSG, while

HTTP connections to STA or WI(NFuse) are not sensitive to timeouts and
thus 
should be kept separate from CSG if possible.

PS. Load balancing should also be explored if relevant

ALEX


>From: "Matthew Shrewsbury" <MShrewsbury@xxxxxxxxxxxxxxx>
>Reply-To: thin@xxxxxxxxxxxxx
>To: <thin@xxxxxxxxxxxxx>
>Subject: [THIN] Re: Web Interface 2.0
>Date: Wed, 4 Aug 2004 11:22:56 -0400
>
>We have a good firewall and the Web server will be located in the DMZ
>behind that. I need to run on this server Citrix Web Interface, Citrix
>Secure Gateway, and Secure Ticket Authority. Do you think I can run all
>3 on the same server? From reading the link it seems to be possible.
>
>
>
>Thanks for all your help:-)
>
>Matthew Shrewsbury, MCSE+Internet MCSE 2000 CCA
>
>Network Administrator
>
>
>
>-----Original Message-----
>From: Cornfield, Scott [mailto:Scott.Cornfield@xxxxxxxxx]
>Sent: Wednesday, August 04, 2004 11:08 AM
>To: thin@xxxxxxxxxxxxx
>Subject: [THIN] Re: Web Interface 2.0
>
>
>
>If you only have one server then it should be the CSG. It should be
>stand alone in a DMZ and securely locked down within an inch of its
life
>:-) When I say DMZ even a good Access Control Lists on your routers
>would be fine, although I know nothing about Comms!
>
>
>
>The STA component could be on one of the Farm servers.
>
>
>
>Check this out,
>
>http://support.citrix.com/kb/entry!default.jspa?categoryID=185&entryID=
2
>843&fromSearchPage=true
>
>
>
>Cheers
>
>Scott
>
>
>
>
>
>   _____
>
>From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
>Behalf Of Matthew Shrewsbury
>Sent: 04 August 2004 15:55
>To: thin@xxxxxxxxxxxxx
>Subject: [THIN] Re: Web Interface 2.0
>
>
>
>Thank you for your input!!!
>
>
>
>I like the idea of using CSG because I don't have to open up port 1494
>to the outside world.
>
>
>
>1) Our system is low budget and I just can't afford another server to
>run STA on. Do you think I could run it on the Web Interface/CSG server
>or on my Metaframe datastore server?
>
>
>
>2) If I can't do option 1 then I think I should just run Web Interface
>and skip the CSG/STA option. If I do this how can I force "128Bit Only"
>for external users?
>
>
>
>Thanks again for all your help....I am reading the latest Administrator
>guides now.
>
>
>
>Matthew Shrewsbury, MCSE+Internet MCSE 2000 CCA
>
>Network Administrator
>
>
>
>-----Original Message-----
>From: Cornfield, Scott [mailto:Scott.Cornfield@xxxxxxxxx]
>Sent: Wednesday, August 04, 2004 10:08 AM
>To: thin@xxxxxxxxxxxxx
>Subject: [THIN] Re: Web Interface 2.0
>
>
>
>You can have your Secure Gateway and Nfuse / Web Interface on the one
>server. Install your SSL cert on this server and put it in your DMZ,
>only allow access to port 443 on the CSG.
>
>
>
>The only issue here is that you have an additional server which acts as
>a Secure Ticket Authority to support the CSG - the STA should sit
>outside the DMZ beside the farm. You have the option of letting the CSG
>talk to the STA on port 80, or you can install a SSL cert on the STA as
>well.
>
>
>
>You can publish you application with standard security settings, as the
>CSG will encrypt all the traffic using 128 bit SSL. The users never
need
>to connect directly to the farm servers.
>
>
>
>Cheers,
>
>Scott
>
>
>
>
>
>
>
>   _____
>
>From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
>Behalf Of Matthew Shrewsbury
>Sent: 04 August 2004 14:29
>To: thin@xxxxxxxxxxxxx
>Subject: [THIN] Web Interface 2.0
>
>
>
>I am slightly out of touch with Citrix XP Web Interface (I have used
>NFuse not Web Interface). My goal is to have a company portal all users
>can hit both internal and external to access Citrix applications.
>
>
>
>Solution:
>
>1) Single web server running Windows 2003, IIS6 and Citrix Web
>Interface.
>
>2) Purchase SSL cert to secure all web traffic to and from Citrix Web
>Interface.
>
>3) Open 1494 ports into to each Citrix server from the internet.
>
>4) Configure Web Interface for "128Bit only" for ICA traffic
>
>
>
>Questions:
>
>1) Do I need secure gateway? What is secure gateway all about?
>
>2) Can I configure Citrix Web Interface to force "128bit only" for
>external users and only use "128bit logon only" for internal users? I
>don't want to publish applications twice.
>
>
>
>I was planning to read up on this but now I have been told this needs
to
>be done right now...(my manager never sticks to the schedule).
>
>
>
>Thanks for any help!!!
>
>Matthew Shrewsbury, MCSE+Internet MCSE 2000 CCA
>
>Network Administrator
>
>Coscan Homes LLC
>
>C 5555 Anglers Avenue, Suite 1A
>
>      Ft. Lauderdale, Florida 33312
>
>*   Direct 954.620.1052
>
>* mshrewsbury@xxxxxxxxxxxxxxx
>
>
>
>
>
>.
>
>
>
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  • » [THIN] Re: Web Interface 2.0 (thanks everyone!!)