Hi Dan,
This is a home/isp lan. I am using 2.2.4 of Apache and
JBoss 4.2.1GA on windows 2000 sp4 with jre 1.6.0_02.
Regards,
-Tony Founder,
MyUniPortal
--- Dan_Mitton@xxxxxxxxxxxxx wrote:
> Tony,
>
> Yes. One physical server and/or network card can
> support multiple IP
> addresses. What OS is this? When you say LAN, is
> this a corporate LAN or
> a home/isp LAN? Which versions of apache and
> tomcat? proxy_ajp and
> mod_jk are the same thing, only proxy_ajp is for
> apache 2.2+ and mod_jk
> pre-2.2.
>
> Ok, before we can do anything, you'll need a second
> static IP address for
> your server. Then, it needs to get configured on
> your server. I'm more
> of a Unix guy, but maybe someone else out here could
> help out if your
> running windows.
>
> After that...
>
> In apache, you likely have a:
>
> Listen 80
>
> somewhere. You can change that to:
>
> Listen <ip-address1>:80
>
> without the '<', '>', so that apache will only list
> on that
> ip-address/port combination.
>
> Likewise, in tomcat, you likely have something like:
>
> <Connector port="80" ...
>
> you can add an address parameter to specify an ip
> address, like:
>
> <Connector port="80" address="<ip-address2>" ...
>
> Have you ever used the 'netstat' command? On
> windows, something like:
>
> netstat -nap tcp
>
> will output something like:
>
> Active Connections
>
> Proto Local Address Foreign Address
> State
> .
> .
> .
> TCP 0.0.0.0:80 0.0.0.0:0
> LISTENING
> .
> .
> .
>
> or on Unix (at least Sun Solaris 10) something like:
>
> netstat -naf inet
>
> On Unix, you might see '*', instead of 0.0.0.0, but
> they both mean the
> same thing, all address on the server. If you run
> netstat before make the
> above apache/tomcat changes, you would see:
>
> TCP 0.0.0.0:80 0.0.0.0:0
> LISTENING
>
> after the changes, it should look like:
>
> TCP <ip-address1>:80 0.0.0.0:0
> LISTENING
> TCP <ip-address2>:80 0.0.0.0:0
> LISTENING
>
>
>
>
> Please respond to users@xxxxxxxxxxxxxxxx
>
> To: users@xxxxxxxxxxxxxxxx
> cc: (bcc: Dan Mitton/YD/RWDOE)
> Subject: Re: Tomcat and Apache
> on the same port?
> LSN: Not Relevant
> User Filed as: Not a Record
>
> Hi Dan,
>
> Thanks for the response. So I can have different
> IP's
> for the same physical server how would the client
> and
> the router handle that? I have a static address for
> my
> server on the lan and I redirect my request for port
> 80 to that IP. What decides the IP to send a request
> to the web server versus the Tomcat servlet
> container?
>
> Sounds good but I am trying to sort through the
> details for that configuration.
>
> Also, I am already sending requests to Tomcat via
> mod_jk in Apache so not sure what the advantages are
> of proxy_ajp.
>
> Many Thanks,
> -Tony
>
> --- Dan_Mitton@xxxxxxxxxxxxx wrote:
>
> > Tony,
> >
> > The only way to have two services use/listen on
> the
> > same port is to use
> > two different IP addresses, one for each. Then
> each
> > can listen on port
> > 80.
> >
> > A possible, very high effort, alternative would be
> > to write a program that
> > would sit in front of both apache and tomcat, that
> > could examine the
> > incoming packets and determine to route it to
> apache
> > or tomcat based on
> > the packet content. I'm talking a very
> complicated
> > program here.
> >
> > Apache proxying requests through to tomcat is not
> > that expensive overhead
> > wise. That would really be your best solution.
> > Look at the proxy_ajp
> > module in apache 2.2
> >
> > Dan
> >
> >
> >
> > Please respond to users@xxxxxxxxxxxxxxxx
> >
> > To: Tomcat Users Group
> <users@xxxxxxxxxxxxxxxxx>
> > cc: Apache Mailing List
> <users@xxxxxxxxxxxxxxxx>
> > (bcc: Dan
> > Mitton/YD/RWDOE)
> > Subject: Tomcat and Apache on
> > the same port?
> > LSN: Not Relevant
> > User Filed as: Not a Record
> >
> > Hi All,
> >
> > Is it possible to run Tomcat and Apache on the
> same
> > port? What I want to do is have my website running
> > on
> > Apache web server or port 80 and also have Tomcat
> > running on port 80. That way my web service
> requests
> > do not need to go through Apache web server where
> > they
> > are redirected to Tomcat.
> > I am trying to avoid web service requests going to
> a
> > different port on the client side and getting
> > stopped
> > by a proxy but perhaps that does not stop http
> > requests going another site on port say 81?
> >
> > Thanks,
> > -Tony
> >
> >
> >
> >
>
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