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Posted to users@httpd.apache.org by James Godrej <ja...@yahoo.in> on 2010/08/18 02:05:04 UTC

[users@httpd] using protocols other than http

Is it possible to use Apache for any other protocol as ftp or so and make it as 
a front end to a group of servers running in backend.
As is the case with Reverse Proxy situation in virtual hosting of Apache.

Re: [users@httpd] using protocols other than http

Posted by James Godrej <ja...@yahoo.in>.




________________________________
From: Eric Covener <co...@gmail.com>
To: users@httpd.apache.org
Sent: Fri, 20 August, 2010 7:37:43 PM
Subject: Re: [users@httpd] using protocols other than http

Of course in this case, how would the app even be working on the
backend directly?

Well there is some problem.
But I am not sure if the reason you cited is THE reason.
Since I am facing authentication problems in those applications.

Well one of the application works on a different port and rest of them are 
 in document root of     
    kki.mydomain.com

So I am able to access them on my LAN as

   192.168.1.5/opi
   192.168.1.5/541
        192.168.1.5/q12
        192.168.1.5/msi

the worst part of all this process is the the 
server where all these Proxy Rules are there is a server to three more websites.

Re: [users@httpd] using protocols other than http

Posted by Eric Covener <co...@gmail.com>.
> If 2 CMSes are generating a URL which is having page elements being served
> at /
> then how do I handle this situation?

Maybe the third-party module mod_proxy_html would help you fix up the
outgoing links that drop the "context root".

This is only needed in the case where the two apps are on the same
backend AND are using overlapping URLS.

 Of course in this case, how would the app even be working on the
backend directly?

-- 
Eric Covener
covener@gmail.com

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Re: [users@httpd] using protocols other than http

Posted by James Godrej <ja...@yahoo.in>.
Eric thanks but I had seen those links.

For this setup I am facing this problem
In all the vhost definitions I use 
ProxyPreserveHost On

but all the internal servers which are having domain names as

    ttg.mydomain.com
    kki.mydomain.com
    ppo.mydomain.com
    qqw.mydomain.com

and one one of the above 

    kki.mydomain.com I have 16 different websites which have to be accessed as

        kki.mydomain.com/opi
        kki.mydomain.com/541
        kki.mydomain.com/q12
        kki.mydomain.com/msi

 and so on.

All of this are behind a server on which I have used mod_proxy 

here I used
<VirtualHost *:80>
ServerName      ttg.mydomain.com
ProxyPass / http://ttg.mydomain.com
ProxyPassReverse / http://ttg.mydomain.com
</VirtualHost>


(Internally also we are addressing these servers with same domain names)

<VirtualHost *:80>
ServerName      kki.mydomain.com
ProxyPass / http://kki.mydomain.com
ProxyPassReverse / http://kki.mydomain.com
</VirtualHost>

like this 2 more vhosts now comes the problem the other domains on 
kki.mydomain.com
are different type of content management systesm
which we would like to access as


        kki.mydomain.com/opi
        kki.mydomain.com/541
        kki.mydomain.com/q12
        kki.mydomain.com/msi

I tried adding in the 2nd vhost definition as above


<VirtualHost *:80>
ServerName      kki.mydomain.com
ProxyPass / http://kki.mydomain.com
ProxyPassReverse / http://kki.mydomain.com

ProxyPass /opi http://opi_on_kki
ProxyPassReverse /opi http://opi_on_kki

ProxyPass /541 http://541_on_kki
ProxyPassReverse /541 http://541_on_kki

ProxyPass /msi http://541_on_kki
ProxyPassReverse /msi http://541_on_kki

</VirtualHost>


Some of these content management systems generate URLS
at / and not as 
/opi
/msi 
or /541
so that my ProxyPass Rules work.

If 2 CMSes are generating a URL which is having page elements being served at /
then how do I handle this situation?




________________________________
From: Eric Covener <co...@gmail.com>
To: users@httpd.apache.org
Sent: Fri, 20 August, 2010 4:35:53 PM
Subject: Re: [users@httpd] using protocols other than http

On Fri, Aug 20, 2010 at 2:16 AM, James Godrej <ja...@yahoo.in> wrote:
>  I am looking for a How to so that I can use that and use Apache as a proxy
> to other protocols.
> I believe as you make Apache so you must be having a how to some where my
> search results did not gave me desired results.
> Hence I asked this question.
> I am not re hashing any thing I had a doubt since some one told that you do
> not have a how to it is just a technical reference more over I am not able
> to understand from the docs which you pointed.So I wanted a working example
> if I could read and make things work on my server.
>

4th result on google.com for "apache proxy howto":

http://www.apachetutor.org/admin/reverseproxies

The manual has basic examples as well:

http://httpd.apache.org/docs/current/mod/mod_proxy.html#examples



-- 
Eric Covener
covener@gmail.com

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Re: [users@httpd] using protocols other than http

Posted by Eric Covener <co...@gmail.com>.
On Fri, Aug 20, 2010 at 2:16 AM, James Godrej <ja...@yahoo.in> wrote:
>  I am looking for a How to so that I can use that and use Apache as a proxy
> to other protocols.
> I believe as you make Apache so you must be having a how to some where my
> search results did not gave me desired results.
> Hence I asked this question.
> I am not re hashing any thing I had a doubt since some one told that you do
> not have a how to it is just a technical reference more over I am not able
> to understand from the docs which you pointed.So I wanted a working example
> if I could read and make things work on my server.
>

4th result on google.com for "apache proxy howto":

http://www.apachetutor.org/admin/reverseproxies

The manual has basic examples as well:

http://httpd.apache.org/docs/current/mod/mod_proxy.html#examples



-- 
Eric Covener
covener@gmail.com

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Re: [users@httpd] using protocols other than http

Posted by James Godrej <ja...@yahoo.in>.
 I am looking for a How to so that I can use that and use Apache as a proxy to 
other protocols.
I believe as you make Apache so you must be having a how to some where my search 
results did not gave me desired results.
Hence I asked this question.
I am not re hashing any thing I had a doubt since some one told that you do not 
have a how to it is just a technical reference more over I am not able to 
understand from the docs which you pointed.So I wanted a working example if I 
could read and make things work on my server.




________________________________
From: Frank Gingras <fr...@gmail.com>
To: users@httpd.apache.org
Sent: Fri, 20 August, 2010 11:13:39 AM
Subject: Re: [users@httpd] using protocols other than http

  On 19/08/2010 9:27 PM, James Godrej wrote:
> On the same mailing list I was told by some one who did documentation that 
this
> documentation is means as technical reference and not a complete how to.
>
>
>
>
>
> ________________________________
> From: Rainer Jung<ra...@kippdata.de>
> To: users@httpd.apache.org
> Sent: Thu, 19 August, 2010 2:19:56 PM
> Subject: Re: [users@httpd] using protocols other than http
>
> On 18.08.2010 02:05, James Godrej wrote:
>> Is it possible to use Apache for any other protocol as ftp or so
> Yes, for example see http://httpd.apache.org/mod_ftp/
>
>> and make it as a front end to a group of servers running in backend.
>> As is the case with Reverse Proxy situation in virtual hosting of Apache.
> Not sure I understand what the relation to the above question is. If you want 
>to
> make it a frontend to another server (the origin server), you have to decide 
on
> the protocol to use between the frontend and the origin server. There's no
> immediate relation between the protocol used by the frontend and the one on 
the
> origin servers. If you want to use a farm of origin servers, you need some
> balancing and stickyness logic in addition.
>
> Examples are mod_proxy, that comes with modules for load-balancing/stickyness
> and protocol modules connecting origin servers via http(s), ajp, scgi, ftp and
> connect. Trunk (beta) also supports fcgi as a origin server protocol.
>
> An alternative for fcgi without using mod_proxy is mod_fcgid
> (http://httpd.apache.org/mod_fcgid/), an alternative for ajp is mod_jk
> (http://tomcat.apache.org/connectors-doc/).
>
> Regards,
>
> Rainer
>
> ---------------------------------------------------------------------
> The official User-To-User support forum of the Apache HTTP Server Project.
> See<URL:http://httpd.apache.org/userslist.html>  for more info.
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>
>

James,

Please don't re-hash this. We don't care.

Frank.

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Re: [users@httpd] using protocols other than http

Posted by Frank Gingras <fr...@gmail.com>.
  On 19/08/2010 9:27 PM, James Godrej wrote:
> On the same mailing list I was told by some one who did documentation that this
> documentation is means as technical reference and not a complete how to.
>
>
>
>
>
> ________________________________
> From: Rainer Jung<ra...@kippdata.de>
> To: users@httpd.apache.org
> Sent: Thu, 19 August, 2010 2:19:56 PM
> Subject: Re: [users@httpd] using protocols other than http
>
> On 18.08.2010 02:05, James Godrej wrote:
>> Is it possible to use Apache for any other protocol as ftp or so
> Yes, for example see http://httpd.apache.org/mod_ftp/
>
>> and make it as a front end to a group of servers running in backend.
>> As is the case with Reverse Proxy situation in virtual hosting of Apache.
> Not sure I understand what the relation to the above question is. If you want to
> make it a frontend to another server (the origin server), you have to decide on
> the protocol to use between the frontend and the origin server. There's no
> immediate relation between the protocol used by the frontend and the one on the
> origin servers. If you want to use a farm of origin servers, you need some
> balancing and stickyness logic in addition.
>
> Examples are mod_proxy, that comes with modules for load-balancing/stickyness
> and protocol modules connecting origin servers via http(s), ajp, scgi, ftp and
> connect. Trunk (beta) also supports fcgi as a origin server protocol.
>
> An alternative for fcgi without using mod_proxy is mod_fcgid
> (http://httpd.apache.org/mod_fcgid/), an alternative for ajp is mod_jk
> (http://tomcat.apache.org/connectors-doc/).
>
> Regards,
>
> Rainer
>
> ---------------------------------------------------------------------
> The official User-To-User support forum of the Apache HTTP Server Project.
> See<URL:http://httpd.apache.org/userslist.html>  for more info.
> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
>    "   from the digest: users-digest-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
>
>

James,

Please don't re-hash this. We don't care.

Frank.

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Re: [users@httpd] using protocols other than http

Posted by James Godrej <ja...@yahoo.in>.
On the same mailing list I was told by some one who did documentation that this 
documentation is means as technical reference and not a complete how to.





________________________________
From: Rainer Jung <ra...@kippdata.de>
To: users@httpd.apache.org
Sent: Thu, 19 August, 2010 2:19:56 PM
Subject: Re: [users@httpd] using protocols other than http

On 18.08.2010 02:05, James Godrej wrote:
> Is it possible to use Apache for any other protocol as ftp or so

Yes, for example see http://httpd.apache.org/mod_ftp/

> and make it as a front end to a group of servers running in backend.
> As is the case with Reverse Proxy situation in virtual hosting of Apache.

Not sure I understand what the relation to the above question is. If you want to 
make it a frontend to another server (the origin server), you have to decide on 
the protocol to use between the frontend and the origin server. There's no 
immediate relation between the protocol used by the frontend and the one on the 
origin servers. If you want to use a farm of origin servers, you need some 
balancing and stickyness logic in addition.

Examples are mod_proxy, that comes with modules for load-balancing/stickyness 
and protocol modules connecting origin servers via http(s), ajp, scgi, ftp and 
connect. Trunk (beta) also supports fcgi as a origin server protocol.

An alternative for fcgi without using mod_proxy is mod_fcgid 
(http://httpd.apache.org/mod_fcgid/), an alternative for ajp is mod_jk 
(http://tomcat.apache.org/connectors-doc/).

Regards,

Rainer

---------------------------------------------------------------------
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Re: [users@httpd] using protocols other than http

Posted by Rainer Jung <ra...@kippdata.de>.
On 18.08.2010 02:05, James Godrej wrote:
> Is it possible to use Apache for any other protocol as ftp or so

Yes, for example see http://httpd.apache.org/mod_ftp/

> and make it as a front end to a group of servers running in backend.
> As is the case with Reverse Proxy situation in virtual hosting of Apache.

Not sure I understand what the relation to the above question is. If you 
want to make it a frontend to another server (the origin server), you 
have to decide on the protocol to use between the frontend and the 
origin server. There's no immediate relation between the protocol used 
by the frontend and the one on the origin servers. If you want to use a 
farm of origin servers, you need some balancing and stickyness logic in 
addition.

Examples are mod_proxy, that comes with modules for 
load-balancing/stickyness and protocol modules connecting origin servers 
via http(s), ajp, scgi, ftp and connect. Trunk (beta) also supports fcgi 
as a origin server protocol.

An alternative for fcgi without using mod_proxy is mod_fcgid 
(http://httpd.apache.org/mod_fcgid/), an alternative for ajp is mod_jk 
(http://tomcat.apache.org/connectors-doc/).

Regards,

Rainer

---------------------------------------------------------------------
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