Apex install choose http server

Dears,
I'd like to install a new apex instance on one server on which there is HP UX Apache Web Server, can I use this Apache server of i have to install apache on companion cd for Apex installation?
Thanks for your feedback
Celio

If it is 11g you can use the embedded server (not the best idea for production usage) or you use the server software off the cd. The install of Apache you have on your HP server will not support APEX.. You can use the hp server Apache to pass requests the Oracle Apache server..
Thank you,
Tony Miller
Webster, TX

Similar Messages

ApEx install with HTTP server on separate boxes

I want to configure ApEx 3.1 that is installed in an Oracle 10.2 database on server1 (linux) to work with an OracleAS 10.2 HTTP server installed on server2 (also linux). What extra steps do I need to do? I understand I need to place the images directory from the ApEx installation directory on server1 to AS_ORACLE_HOME/Apache directory on server2 and change the connect string in the dads.conf file to point to the server1. Is that correct?

Hello,
Yes that's correct. It's well described in the Oracle Apex Installation Guide and documentation:
http://download.oracle.com/docs/cd/E10513_01/doc/install.310/e10496/toc.htm
Regards,
Dimitri
-- http://dgielis.blogspot.com/
-- http://www.apex-evangelists.com/
-- http://www.apexblogs.info/

APEX without Oracle HTTP Server 10gR2

Guys,
I know that you can run APEX in Oracle XE without requiring to install an HTTP server.
But I have heard that the same is now true if you are using Oracle 10gR2.
Is this the case and if it is can you answer the following questions :
a) How is it done ?
b) How is it configured ?
c) Is this the way forward for APEX or do you still see the need for the HTTP Server ?
d) How would you migrate from an APEX application developed and deployed using an HTTP Server to one which does not ?
Any answers would be very helpful as I have a client who is extremely reluctant to install the Oracle HTTP server and I think that if you could use one which is within the database then that may win them over to APEX development.
Regards
Chris

Search the Oracle XE forum for dbms_xdb and dbms_epg, however, I don't know if it's possible to do what you want. You may need to run XE.
Earl

Facing problem in installing oracle http server

hi,
i am trying to install oracle http server from companion cd (oracle 10g) but facing this error
/Apache/Apache/bin/httpd: error while loading shared libraries: libdb.so.2: cannot open shared object file: No such file or directory.
i don't know what to do.
plz help

Hi,
there are other posts on this but try an install of the gnome-libs package on the server. It is possible to install a more recent version than 1.4.1.2.90-34.1.i386.
Mike

How to install Oracle HTTP Server 10.1.3.0 on Solaris 10

Hi !
I am new to solaris 10 and i want to install oracle HTTP server on solaris 10.
Kindly can any one share steps/documents how to prepare my system for installation
uname -r = 5.10
my user=oracle fro installation
group=oinstall oracle user group
Shell = bin/sh bourn shell
no variable defined in .profile file OR at any place
my istallation directory=> OracleHome ==> /home/oracle/OracleAs_1
my oraInventory directory=> orainventory ==> /opt/ora/oraInventory
following commands executed using root
chown -R oracle:oinstall /home/oracle
chown -R oracle:oinstall /opt/ora
chmod -R 777 /home/oracle
chmod -R 777 /opt/ora
============================
executing setup using oracle user
./runInstaller -executeSysPrereqs command output==> OK/Pass I dont have patch 118345-03
As patch 118345-03 is not required for the solaris 10with kernal patch/update 5.
./runinstaller and installation type= Advance => OC4j was installed successful but http server gives error.
HTTP server configuration assistant Fails. Setup doesnot complete.
error ==> http server fails to start Managed processes after the maximun retry limit.
error status 206
**** see HTTP_Server~1.log in opmn/logs folder. nothing in log except startprocess and stop process
**** Apache/Apache/logs don't have any LOG or httpd.id file.
========================================
When i start Apache using apactlstart.sh it runs and i can access http://localhost:777 ===> working with message use opmnctl
Need Help :) Thanks in advance

Here is such a description:
http://onlineappsdba.com/index.php/2007/06/20/install-oracle-soa-suite-101310/
Jon petter

Installing Oracle HTTP server

i want to run pl/sql server pages in my database server. so, i downloaded oracle
Comapnion CD. then i decided to install Oracle HTML DB and Oracle HTTP server
in the current installed home. but when i try to install the following error
occurs:
Oracle OHS Standalone cannot be installed into an existing Oracle RDBMS 9.2.0.1.0
or higher Oracle Home.
I am using Oracle 10g R2. do i need to install the Oracle HTTP server on a separate
home?
please help.

i tried to install Oracle HTTP server in a new home but i encountered the following error:
The installer encountered the following error while trying to connect to the target database:
ERROR: Exception occured while connecting to database. Please check the connection details of the
database you specfied and retry.
IO excpetion: the Network Adapter could not establish the connection.
i am using Oracle in the same computer i am working. is that the SYS account
password is wrong. what is the default SYS account password. i donot remeber changing
it unless it was promted during installation?
please help.+

Installing Oracle HTTP server pt.2

i tried to install Oracle HTTP server in a new home but i encountered the following error:
The installer encountered the following error while trying to connect to the target database:
ERROR: Exception occured while connecting to database. Please check the connection details of the
database you specfied and retry.
IO excpetion: the Network Adapter could not establish the connection.
i am using Oracle in the same computer i am working. is that the SYS account
password is wrong. what is the default SYS account password. i donot remeber changing
it unless it was promted during installation?
please help.+

i tried to check the oracle TNS listener configuration using Oracle Net manager
i got the following error message:
Attempting to connect using userid: stardoc
The test did not succeed.
ORA-12541: TNS:no listener
There may be an error in the fields entered,
or the server may not be ready for a connection.
what is the problem? i can connect to the database using sqlplus and sqldeveloper.
but i cannot seem to connect with the database apparently when i try to install
the Oracle Http server.
please help!

How to install oracle http server in the windows

Hi,
Can any one mention how to install oracle HTTP server in windows 2003 server machine?
regards,
suresh G.

Hi,
Which version of Oracle HTTP Server are you looking for ?
Download link,
http://www.oracle.com/technetwork/middleware/ias/downloads/101310-085449.html
Here you will get both Apache version 1.3.34 for OHS based on Apache 1.3 and Apache version 2.0.55 for OHS based on Apache 2.0.
Prerequisites
http://docs.oracle.com/cd/B25222_02/quickinstall.1013/quickinstall/quick_install.htm#sthref9
Installation steps
http://docs.oracle.com/cd/B25222_02/install.1013/install/basic_install.htm#sthref274
On the 1 st screen Select Advanced Installation Mode,
And select only Oracle HTTP server in the 2nd screen
Regards
Fabian

Error starting up ApEx's Oracle HTTP server

Hello.
I have just configured a brand new Oracle HTTP server on a brand new ApEx database. When I try to start the server, it doesn't start and I see errors in the log files.
dads.conf in Apache/modplsql/conf directory:
Alias /i/ "/u01/app/oracle/product/10.2.0/http/Apache/images/"
AddType text/xml xbl
AddType text/x-component htc
<Location /pls/apex>
Order deny,allow
PlsqlDocumentPath docs
AllowOverride None
PlsqlDocumentProcedure wwv_flow_file_mgr.process_download
PlsqlDatabaseConnectString zemple:1521:orp244a.<my domain here>.com ServiceNameFormat
PlsqlNLSLanguage AMERICAN_AMERICA.WE8ISO8859P1
PlsqlAuthenticationMode Basic
SetHandler pls_handler
PlsqlDocumentTablename wwv_flow_file_objects$
PlsqlDatabaseUsername APEX_PUBLIC_USER
PlsqlDefaultPage apex
PlsqlDatabasePassword <my password here>
PlsqlRequestValidationFunction wwv_flow_epg_include_modules.authorize
Allow from all
</Location>
orp244a is a 10.2.0.4 database into which ApEx has been installed per the install guide with no errors. The Oracle HTTP server is 10.2.0.1. Both run on Zemple. I have substituted the domain name and the password for APEX_PUBLIC_USER account with <my domain here> and <my password here>, respectively, for security reasons.
When I check http://zemple.<my domain here>:7777, I get the standard Oracle HTTP Server page. But when I check http://zemple.<my domain here>:7777/pls/apex I get the "Page cannot be found" error.
error_log in Apache/logs directory:
[Mon Mar 16 14:50:59 2009] [notice] Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server configured -- resuming normal operations
[Mon Mar 16 14:50:59 2009] [notice] Accept mutex: fcntl (Default: fcntl)
[Mon Mar 16 14:51:07 2009] [error] [client 10.222.137.7] [ecid: 1237233067:10.220.17.126:21396:0:2,0] File does not exist: /u01/app/oracle/product/10.2.0/http
/Apache/Apache/htdocs/pls
[Mon Mar 16 14:51:55 2009] [error] [client 10.222.137.7] [ecid: 1237233115:10.220.17.126:21399:0:2,0] mod_plsql: /pls/apex/apex HTTP-404 ORA-06502: PL/SQL: nu
meric or value error\nORA-06512: at "SYS.OWA_MATCH", line 41\nORA-06512: at line 18\n
[Mon Mar 16 14:51:59 2009] [error] [client 10.222.137.7] [ecid: 1237233119:10.220.17.126:21399:0:4,0] mod_plsql: /pls/apex/apex HTTP-404 ORA-06502: PL/SQL: nu
meric or value error\nORA-06512: at "SYS.OWA_MATCH", line 41\nORA-06512: at line 18\n
Any idea what my problem might be?
Thank You
Boris

The modplsql/logs directory is completely empty.
The stop and start of the http server is clean - no errors reported.
The main log in Apache/Apache/logs directory is not big, since it is a brand new install of the http server. Here is the complete log:
[Mon Mar 16 13:45:38 2009] [notice] FastCGI: process manager initialized (pid 7879)
[Mon Mar 16 13:45:39 2009] [notice] Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server configured -- resuming normal operations
[Mon Mar 16 13:45:39 2009] [notice] Accept mutex: fcntl (Default: fcntl)
[Mon Mar 16 14:45:06 2009] [notice] FastCGI: process manager initialized (pid 18854)
[Mon Mar 16 14:45:07 2009] [notice] Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server configured -- resuming normal operations
[Mon Mar 16 14:45:07 2009] [notice] Accept mutex: fcntl (Default: fcntl)
[Mon Mar 16 14:45:56 2009] [error] [client 10.222.137.7] [ecid: 1237232756:10.220.17.126:18862:0:1,0] mod_plsql: /pls/apex/apex_admin HTTP-404 ORA-06502: PL/S
QL: numeric or value error\nORA-06512: at "SYS.OWA_MATCH", line 41\nORA-06512: at line 18\n
[Mon Mar 16 14:46:32 2009] [error] [client 10.222.137.7] [ecid: 1237232792:10.220.17.126:18866:0:1,0] File does not exist: /u01/app/oracle/product/10.2.0/http
/Apache/Apache/htdocs/pls/
[Mon Mar 16 14:46:38 2009] [error] [client 10.222.137.7] [ecid: 1237232798:10.220.17.126:18860:0:2,0] File does not exist: /u01/app/oracle/product/10.2.0/http
/Apache/Apache/htdocs/pls/
[Mon Mar 16 14:46:45 2009] [error] [client 10.222.137.7] [ecid: 1237232805:10.220.17.126:18866:0:2,0] File does not exist: /u01/app/oracle/product/10.2.0/http
/Apache/Apache/htdocs/pls/
[Mon Mar 16 14:50:58 2009] [notice] FastCGI: process manager initialized (pid 21392)
[Mon Mar 16 14:50:59 2009] [notice] Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server configured -- resuming normal operations
[Mon Mar 16 14:50:59 2009] [notice] Accept mutex: fcntl (Default: fcntl)
[Mon Mar 16 14:51:07 2009] [error] [client 10.222.137.7] [ecid: 1237233067:10.220.17.126:21396:0:2,0] File does not exist: /u01/app/oracle/product/10.2.0/http
/Apache/Apache/htdocs/pls
[Mon Mar 16 14:51:55 2009] [error] [client 10.222.137.7] [ecid: 1237233115:10.220.17.126:21399:0:2,0] mod_plsql: /pls/apex/apex HTTP-404 ORA-06502: PL/SQL: nu
meric or value error\nORA-06512: at "SYS.OWA_MATCH", line 41\nORA-06512: at line 18\n
[Mon Mar 16 14:51:59 2009] [error] [client 10.222.137.7] [ecid: 1237233119:10.220.17.126:21399:0:4,0] mod_plsql: /pls/apex/apex HTTP-404 ORA-06502: PL/SQL: nu
meric or value error\nORA-06512: at "SYS.OWA_MATCH", line 41\nORA-06512: at line 18\n
[Mon Mar 16 15:01:46 2009] [error] [client 10.222.137.7] [ecid: 1237233706:10.220.17.126:21399:0:9,0] File does not exist: /u01/app/oracle/product/10.2.0/http
/Apache/Apache/htdocs/pls/htmldb
[Mon Mar 16 15:01:53 2009] [error] [client 10.222.137.7] [ecid: 1237233713:10.220.17.126:21399:0:11,0] mod_plsql: /pls/apex/apex HTTP-404 ORA-06502: PL/SQL: n
umeric or value error\nORA-06512: at "SYS.OWA_MATCH", line 41\nORA-06512: at line 18\n
Thank You
Boris

APEX and Oracle HTTP server

Scenario
We are considering using APEX with Oracle 10g. However, we don't have Oracle application server.At the same time we do not want to use the Oracle HTTP server(OHS) on the database server. The propsed application intend to use by approx. 5000 users
Questions
As APEX requires just OHS and mod_plsql plugin,
1. Can we install just Oracle HTTP server and mod_plsql on standalone server? Which CD need to be used?
2. Can OHS can be licensed separately as Oracle Internet application server(Enterprise Edition) based on processor licensing is expensive and not affordable.However, there are other options like Standard Edition and Standard Edition One as well but do not require any other options except OHS and mod_plsql plugin.Hence, what is the cost effective option to have OHS and mod_plsql as a middle tier component to deploy APEX applications
Thanks in advance

All,
I'm by no means a security expert, but I don't think this is a best practice. I think the best practice is to use two HTTP servers: one in the DMZ and one on the DB server. The one in the DMZ can be a standard Apache install - it acts as a proxy server and does not need mod_plsql. The second should be OHS. This configuration allows you to block ports that are usually used to communicate with the DB from the server in the DMZ.
Did I get that right or am I way off?
Regards,
Dan
http://danielmcghan.us
http://sourceforge.net/projects/tapigen
http://sourceforge.net/projects/plrecur
You can reward this reply by marking it as either Helpful or Correct ;-)

To install Oracle HTTP Server only

Hi,
I already installed Apex (3.0) in an Oracle database a while ago. I have used our Oracle iAS 10.1.2 as the application server. Now, I would like to install the Oracle HTTP Server in the database server and use it to run Apex. With the 10g companion CD, there is not any option to install the Oracle HTTP Server (Apache 1.3) only. Is there any way that I can install the Oracle HTTP Server only without installing Apex again? Where can I download it?
Also, I heard that there is a version of Oracle HTTP Server (Apache 2) bundled with Oracle 11g. Can I use it for Apex 3.0?
Thanks.
Andy

Hi,
See:
http://www.oracle.com/technology/software/products/database/oracle10g/htdocs/10201winsoft.html
Here you have the option, to install HTTP only
Kind regards,
Iloon
PS: be aware this cd contains apex 1.6 ;-)

Apex SSL from HTTP server - err 29040

Have apex environment (originally 3.1.2 now 3.2) workiing fine under http server 10.1.3. regular http port 7777.
After going thru the ssl and wallet documentation steps to apply certificates supplied to me, and scouring all the blogs, I'm still failing under https 4443 with:
SSL call to NZ function nzos_Handshake failed with error 29040
The default oracle ewallet.p12 lets me in after first complaining about the certificates. I made a new wallet, with owm, and added in the trusted certs that are suppsoed to match our internal browsers. Thats when things go wrong.
I've tried, and of course bounced opmnctl with stopall, startall after changing each one:
(1) in opmn.xml verified <ssl enabled="true"
(2) auto-logon checked in the wallet with cwallet.sso,
(3) left it off, regen'd wallet and set SSLWalletPassword to it's value,
(4) tried and verified different wallet locations and the right settings in ssl.conf. (feel confident the ssl.conf settings work cause I can cause other errors by commenting out SSLWalletPassword in ssl.conf with auto-logon=off),
(5) SSLVerifyClient set to none
(6) in opmn.xml verified <data id="start-mode" value="ssl-enabled"/>
(7) set LogLevel in httpd.conf to Debug (more output but nothing obviously usefull)
(8) set SSLLogLevel in ssl.conf to debug (more output but nothing obviously usefull)
any ideas would be much appreciated. AND especially does anyone know what the default password is for that default ewallet.p12 ?
if it told me during install I must have missed it. first born for that cause maybe I can modify it and add in my certs ?

Srini, thanks so much for helping. Sorry I didn't reply right off hand. To be honest I couldn't find doc id 473047 in metalink and then I finally got hold of our Certificate group and have been busy with them and just now got things resolved. Thanks again for replying. Really appreciate it.
If anyone else stumbles across this in the future, after having installed just the http server and not knowing much about it, the default pwd to the default wallet is welcome. (be sure and make a copy of this ewallet.p12 in conf/ssl.wlt/default before playing with it). The invalid cipher clues of the 29040 msg were not the direct problem in my case. For me it ended up being incomplete wallet information as the root cause under 10.1.3.
At first we had been just inserting trusted certificates into the wallet thinking that should match our inhouse browser images. Instead the "Warning, this is a development" msg kept showing. Finally we went thru the steps outlined in the documentation, using owm xwindows (or orapki) to create a new wallet from scratch, add a user certificate request, save the wallet, then export the user cert req to a flat file. You can then send that to your internal security group (assuming you have one) or whoever your Cert Authority is. They then send you back a new certificate that should constitute your User Certificate. You must first load in your trusted certificates (usually a Root and Issuing type trusted certs to constitute your "chain"). Then you can do a Import User Cert under owm and load in the afiorementioned fiel recvd from you security group. Also note the ON= value on your request must equal your DNS name as in server.xyz.com Also, I was being sent .key files that I could never import in. They then sent me pem files that had the key info blended in from what I understand and those worked.
I was able to get variations of the 29040 error (290xx) by trying different values within the HTTPD.conf -> ssl.conf file for the various SSL variables. In the end I've ended up with the modified settings of
SSLCipherSuite ALL
SSLProxyCipherSuite ALL
SSLVerifyClient none
SSLProtocol ALL
SSLProxyProtocol ALL
although I suspect other combinations would be fine as well.
The opmn/conf settings were set to the various values as seen in other postings and blogs but in the end did nto seem to be the issue for me. Other than modifying those <port local="6xxx" remote="6xxx" request="6xxx"/> to prevent the opmn logs from filling up fast. To do that I had to try different values that the ones found in some of the main google postings.

Install Oracle HTTP Server to Oracle Database XE

Successfully managed to install Oracle Database XE to Windows 2000 (after temporarily dropping TNSNAMES and TNS_ADMIN variables). I want to learn how to use Application Express (formerly HTML DB) and it would be a pain/take ages to get the enterprise DBA's to install it onto a supported networked instance. I have installed HTML DB into Oracle XE but the post installation instructions require that Oracle HTTP Server is installed. How do you get Oracle HTTP Server installed into Oracle XE? Oracle Universal Installer does not recognise Oracle XE as an Oracle Home. How do you use Oracle Universal Installer on Oracle XE? or how do you download Oracle HTTP Server with InstallShield? Seems strange that Oracle XE does not integrate with other toolset installations.
Thanks

ALTER SESSION SET CURRENT_SCHEMA = FLOWS_020000;
exec FLOWS_020000.wwv_flow_upgrade.switch_schemas ('FLOWS_020000','FLOWS_020100');commit;I would give it a try, it's hard to make it worse ;).
Oracle XE / Apex is almost the same.
Some of the differences are:
- SSO authentication is not supported out of the box (although there are workarounds)
- You can assign only a single database schema to a workspace
- There are no developer accounts in the workspaces
Basically, both version are pretty much the same. You can export / import applications both ways.
I cannot see what you mean by missing templates. They are all there (although not in the filesystem but stored in the database via XMLDB).
You can reach the documentation from the homepage of XE and also from Start > Programs > Oracle Express Edition
~Dietmar.

APEX Oracle 11g HTTP Server - Cannot get SSL working

I have installed APEX on Oracle 11g with the Oracle HTTP Server on MS Windows server.
Data base up and running, APEX up an running.
All works as expected on port 7777
When I try 4443 I get error message re self signed certificate by Oracle, but if I click through error message I get an https connection.
I want to replace default cert with a locally signed cert, and get SSL working on 4443, then switch to port 443.
I have used the Oracle Wallet manager, generated a CSR, had this signed by my corproate CA, and installed the corporate CA cert and the newly signed server cert into the wallet (with Auto Login Set) and saved it in:
D:\orahttp\Oracle_WT1\instances\apex\config\OHS\ohs1\keystores\infosec2wallet
This creates two files: ewallet.p12 and cwallet.sso
I then manually add the group/users "SYSTEM" and "Administrators" to these two files to match the security tab on the default wallet.
I T then go to the ssl.conf file located at:
D:\orahttp\Oracle_WT\instances\apex\config\OHS\ohs1\ssl.conf
and changed the entry:
#SSLWallet "${ORACLE_INSTANCE}/config/${COMPONENT_TYPE}/${COMPONENT_NAME}/keystores/default"
SSLWallet "${ORACLE_INSTANCE}/config/${COMPONENT_TYPE}/${COMPONENT_NAME}/keystores/infosec2wallet"
I then stop and start the Oracle HTTP Server - ohs1 from the start menu.
Then I try to connect from my desk top machine using the following URL:
https://us-pghinfosec2.ariba.com:4443/pls/apex/f?p=101:1:
I get the clasic MS IE Message:
==========
Internet Explorer cannot display the webpage
Most likely causes:
You are not connected to the Internet.
The website is encountering problems.
There might be a typing error in the address.
What you can try:
Diagnose Connection Problems
More information
This problem can be caused by a variety of issues, including:
Internet connectivity has been lost.
The website is temporarily unavailable.
The Domain Name Server (DNS) is not reachable.
The Domain Name Server (DNS) does not have a listing for the website's domain.
If this is an HTTPS (secure) address, click Tools, click Internet Options, click Advanced, and check to be sure the SSL and TLS protocols are enabled under the security section.
For offline users
You can still view subscribed feeds and some recently viewed webpages.
To view subscribed feeds
Click the Favorites Center button , click Feeds, and then click the feed you want to view.
To view recently visited webpages (might not work on all pages)
Click Tools , and then click Work Offline.
Click the Favorites Center button , click History, and then click the page you want to view.
==========
I am at a loss as to what to do. It acts like Oracle HTTP can not open my wallet.
I suspect it needs the password to the wallet but I cannot find any place to specify the password, and Auto Login should have addressed that issue.
Any insights welcome.
Thanks - Elton Hay

Hello Lakshmi,
>
I got your point but in our case HTTP Server and Oracle Database (APEX) running on different machines.
Oracle HTTP Server running on a Windows 2003 server and Oracle Database running on Sun Solaris machine.
So do i need to change Oracle 10g HTTP Server? do i need to install Oracle 11g HTTP SErver?
Please let me know if my question is not clear.
>
<ul><li>
I got your point but in our case HTTP Server and Oracle Database (APEX) running on different machines.Did I missed something?
You should have mentioned this additional information in the original question itself.
</li>
<li>Oracle HTTP Server running on a Windows 2003 server and Oracle Database running on Sun Solaris machine.As long as [url http://docs.oracle.com/cd/E37097_01/doc/install.42/e35123/otn_install.htm#BHAFJJDA]dads.conf is configured correctly there should not be a problem with this.
From Original question:
We are having Oracle APEX 3.1 version on Oracle 10g Database and Oracle 10g HTTP Server as web server in our organization.How did this setup of APEX worked?(i.e. on different machines)
If you still have doubt about this you can do the setup and find out before upgrading.
</li>
<li>So do i need to change Oracle 10g HTTP Server? do i need to install Oracle 11g HTTP SErver?This question is answered in the above post. As long as you fulfill the [url http://docs.oracle.com/cd/E37097_01/doc/install.42/e35123/pre_require.htm#CFHIIJBE]HTTP Server Requirements for APEX 4.2 (Also we are discussing this long about only Oracle 10g HTTP Server but which version?)
</li></ul>
Hope now I am more clear!
Regards,
Kiran

Installing standalone HTTP server(w/11gDb,3.2ApEx) & architecture questions

Hi,
I'm a newbie to ApEx and am in the process of laying down ApEx infrastructure (11g DB w/ 3.2 ApEx).
Since we want to have the database server behind the firewall, one of the options is to set up 3-tier architecture (ie: DB server, Oracle HTTP server, and user's web browser) ALL on separate hosts. However, it appears all the ApEx installation guides (11g DB w/ 3.2 ApEx) ONLY mention about installing DB/ApEx together with OHS on the same host (ie: OHS is distributed with Oracle 11g, OHS is installed in an Oracle home...etc). This is NOT what I want. Please note that ApEx automatically installs with Oracle db 11g or later.
Q1) Where can I download OHS, NOT bundled together with 11g? Does 10g HTTP server work with 11g DB?
Q2) What's the procedure of setting up OHS on its own host (so that the host can be outside of the firewall)?
Q3) My understanding is that ONE ApEx with ONE database (ie: ApEx resides inside the database). Can I have ONE ApEx pointing to MORE THAN ONE database?
Q4) My understanding is that ApEx is covered under database license, regardless of whether OHS resides in same host of the db server or not. Correct?
Q5) My understanding is that basically I have 2 options of setting up the fore-mentioned scenario OHS as follows:
Option#1: Using the 3-tier architecture or
Option#2: setting up OHS together with database in the same host, but use Proxy server
Which one is the best practice? Pro's and con's?
I also searched on this forum, but it does not appear to have answers to my questions.
Your expertise and insights are appreciated :)
Helen

Thank you, Varad for your prompt reply.
3 more questions:
Q1)
Database + APEX + OHS on server 1 (within the firewall)
Apache 2.2 in the DMZ - serves static pages, non-APEX apps and forwards requests to APEX applications to the OHS running on the db server.Say I have a production db + ApEx + OHS on prod_server, and a test db + ApEx + OHS on test_server, should I have ONE Proxy server for BOTH production AND test, or each environment should have its own proxy server? The SA said that we "should" have one for each and can be on virtual machines but on the same physical host. What's your take on it? From what you mentioned, you folks seem to run everything together within the same Apache web server. But if I make a configuration change (say, in "httpd.conf"), and I need to reboot the Apache web server to take effect, then all the services will be affected, correct?
Q2)
I suggest you first get your database and APEX configured and working correctly and accessible from the OHS. You then install Apache on your DMZ box(download from http://httpd.apache.org) and configure it forward requests destined to the APEX application to the back end OHS. At a minimum your Apache config fille will have entries similar to (assuming external users enter the URL http://www.acme.com/apex to access the APEX applications)
ProxyRequests Off
ProxyPreserveHost On
ProxyPass /apex http://Oracle_HTTP_server:8080/apex
ProxyPassReverse /apex http://Oracle_HTTP_server:8080/apex
.....After the above change, what needs to be included in ApEx Application Builder -> Application xxx -> Shared Components -> Proxy Server -> ?
The "ServerName" in the VirtualHost section?
Q3) Currently I'm on ApEx EPG. And I know that Oracle is pushing towards EPG. But it appears that it's a GOOD idea to move to OHS instead of using the embedded gateway for several reasons. One of them is that it does not seem (or I could not find) the typical Apache configuration file ($ORACLE_HOME/Apache/Apache/conf/httpd.conf). What's your take?
Thanks much again :)
Helen

Apex install choose http server

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