I'm not sure how all this implemented but I believe context is applied after packet is received by tomcat. need to inspect content of http packets
2012/4/28 [email protected] <[email protected]> > Yes that is right, that irritated me right from the beginning :) > However it would mean that running multiple instances of Openmeetings in > the same Tomcat Server is not possible because they all connect to the same > context. But I think that is not true. I think you can run multiple webapps > in Red5 and each of it has its own scope and can have its own RTMPT > connection enabled. > > Sebastian > > 2012/4/28 Maxim Solodovnik <[email protected]> > > > Yes > > And it is redirects 8088/open > > And not 8088/openmeetings/open > > I've written similar shorter rules using mod_rewrite while trying to > > understand what is going on. > > > > These rules demonstrate it is impossible to redirect RTMPT using context > > On Apr 28, 2012 7:50 PM, "[email protected]" <[email protected]> > > wrote: > > > > > Those are mod_proxy settings to redirect rtmpt traffic: > > > > > > > > > > > > https://groups.google.com/group/openmeetings-user/msg/3d189be4d7546be3?dmode=source&output=gplain&noredirect > > > > > > Sebastian > > > > > > 2012/4/28 Maxim Solodovnik <[email protected]> > > > > > > > It is impossible to proxy rtmpt based on the context. > > > > Requests sent are go to /open /idle etc. Ignoring context. > > > > I can send you logs and links proofing this > > > > On Apr 28, 2012 6:51 PM, "[email protected]" < > > [email protected]> > > > > wrote: > > > > > > > > > We did solve to redirect rtmp traffic by using different path > > segments, > > > > > mod_proxy rule was path based. > > > > > > > > > > In the config.xml you can specify different paths for HTTP and RTMP > > > URLs > > > > > (RTMPT will be handled with same path segments as RTMP) > > > > > > > > > > the config values are: > > > > > RTMP Path segment: <webAppRootKey>openmeetings</webAppRootKey> > > > > > HTTP Path segment <httpRootKey>/openmeetings/</httpRootKey> > > > > > > > > > > => RTMP URL will be: rtmp://localhost:$rtmpport/$webAppRootKey/ > > > > > => RTMPT URL will be: > > rtmpt://localhost:$rtmpTunnelport/$webAppRootKey/ > > > > > => HTTP Download/Upload URL will be: > > > > > $protocol://localhost:$red5httpport$httpRootKey [missing / is no > > typo, > > > > the > > > > > slash is in the httpRootKey so that you can make openmeetings > > directly > > > > run > > > > > in WEB-ROOT with the path <httpRootKey>/</httpRootKey> ] > > > > > > > > > > Now you can modify config.xml to: > > > > > <webAppRootKey>openmeetings_rtmp</webAppRootKey> > > > > > And add a mod_proxy rule: > > > > > traffic to openmeetings_rtmp port 80 redirect to localhost:1935 > > > > > OR the same for RTMPT > > > > > > > > > > The issue is just you can configure rtmp AND rtmpt to have > DIFFERENT > > a > > > > path > > > > > segmements. Cause that would enable you to have mod_proxy settings > > for > > > > > both. > > > > > But I did always then just configure RTMPT to port 443. And that > way > > I > > > > have > > > > > HTTP => Port 80 > > > > > RTMP => Port 80 > > > > > RTMPT => Port 443 > > > > > > > > > > Of course you can also add one more mod_proxy rule: > > > > > Redirect: $httpRootKey to localhost:5080, that way you can run yoru > > > > website > > > > > AND OpenMeetings on port 80. > > > > > > > > > > Sebastian > > > > > > > > > > 2012/4/28 Alexei Fedotov <[email protected]> > > > > > > > > > > > 3) ... > > > > > > any TCP/IP connection does not operate with paths > > > > > > from the other side there may be several client connections > > connected > > > > > > to the same server and port > > > > > > > > > > > > > > > > > > On Sat, Apr 28, 2012 at 3:31 PM, Alexei Fedotov > > > > > > <[email protected]> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > http://helpx.adobe.com/flash-media-server/kb/ports-firewalls-flash-media-server.html > > > > > > > shows how to initiate rtmp over different port > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Sat, Apr 28, 2012 at 3:29 PM, Alexei Fedotov > > > > > > > <[email protected]> wrote: > > > > > > >> 1) it is impossible to redirect RTMP traffic > > > > > > >>>> no quick answer > > > > > > >> > > > > > > >> 2) RTMPT contain all HTTP headers/cookies etc. == overhead > > > > > > >>>> overhead is even bigger because it uses 6 bit from every 8 > of > > > > binary > > > > > > traffic > > > > > > >> > > > > > > >> 3) even if you think you perform > > > > > > rtmpt://server:port/openmeetings/hibernate > > > > > > >> all packets are sent to rtmpt://server:port/ (this is why it > is > > > > > > impossible > > > > > > >> to proxy just RTMPT context) > > > > > > >>>> no quick answer > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> problems while implementing OOCP > > > > > > >> 1) it will be impossible to use RTMP with it (please see 1) > > above) > > > > > > >>>> noone asks for it > > > > > > >> > > > > > > >> 2) it will be additional traffic (please see 2)) > > > > > > >>>> you use OOCP is fallback when 1935 is not available > > > > > > >> > > > > > > >> 3) it will be impossible to use current scheme (tomcat + > apache > > + > > > > > > >> mod_proxy) (please see 3)) NOTE mod_rewrite is able to help > > here, > > > > but > > > > > it > > > > > > >> also have own limitations. > > > > > > >>>> what breaks current scheme? > > > > > > >> > > > > > > >> I'm not sure if I be able to create transparent proxy inside > > > tomcat, > > > > > but > > > > > > >> I'll try. > > > > > > >>>> there are few proxy solutions for Tomcat already > > > > > > >> > > > > > > >> -- > > > > > > >> With best regards / с наилучшими пожеланиями, > > > > > > >> Alexei Fedotov / Алексей Федотов, > > > > > > >> http://dataved.ru/ > > > > > > >> +7 916 562 8095 > > > > > > >> > > > > > > >> > > > > > > >> On Sat, Apr 28, 2012 at 2:40 PM, Maxim Solodovnik < > > > > > [email protected]> > > > > > > wrote: > > > > > > >>> statements > > > > > > >>> 1) it is impossible to redirect RTMP traffic > > > > > > >>> 2) RTMPT contain all HTTP headers/cookies etc. == overhead > > > > > > >>> 3) even if you think you perform > > > > > > rtmpt://server:port/openmeetings/hibernate > > > > > > >>> all packets are sent to rtmpt://server:port/ (this is why it > > is > > > > > > impossible > > > > > > >>> to proxy just RTMPT context) > > > > > > >>> > > > > > > >>> problems while implementing OOCP > > > > > > >>> 1) it will be impossible to use RTMP with it (please see 1) > > > above) > > > > > > >>> 2) it will be additional traffic (please see 2)) > > > > > > >>> 3) it will be impossible to use current scheme (tomcat + > > apache + > > > > > > >>> mod_proxy) (please see 3)) NOTE mod_rewrite is able to help > > here, > > > > but > > > > > > it > > > > > > >>> also have own limitations. > > > > > > >>> > > > > > > >>> I'm not sure if I be able to create transparent proxy inside > > > > tomcat, > > > > > > but > > > > > > >>> I'll try. > > > > > > >>> > > > > > > >>> On Sat, Apr 28, 2012 at 17:14, Alexei Fedotov < > > > > > > [email protected]>wrote: > > > > > > >>> > > > > > > >>>> I don't think multiple ports are problem - Timur's proof of > > > > concept > > > > > > >>>> shows they are not. > > > > > > >>>> > > > > > > >>>> The main problem is the following: something is already > > running > > > on > > > > > 80 > > > > > > >>>> port. So exact requirement for the solution follows: > > > > > > >>>> > > > > > > >>>> 1. The only openmeetings communication port (OOCP) should > be a > > > > part > > > > > of > > > > > > >>>> the configuration. By default it would be port 80, and for > > those > > > > who > > > > > > >>>> have somethings installed, they can move the port somewhere. > > > > > > >>>> > > > > > > >>>> 2. One should switch http or https for traffic over OOCP. > > > > > > >>>> > > > > > > >>>> 3. For OOCP over http I suggest using 1935 for RTMP, or > > falling > > > > back > > > > > > >>>> to rtmpt over OOCP. > > > > > > >>>> > > > > > > >>>> -- > > > > > > >>>> With best regards / с наилучшими пожеланиями, > > > > > > >>>> Alexei Fedotov / Алексей Федотов, > > > > > > >>>> http://dataved.ru/ > > > > > > >>>> +7 916 562 8095 > > > > > > >>>> > > > > > > >>>> > > > > > > >>>> On Sat, Apr 28, 2012 at 12:50 PM, [email protected] > > > > > > >>>> <[email protected]> wrote: > > > > > > >>>> > Is this a question or a statement? > > > > > > >>>> > > > > > > > >>>> > You cannot run all services: http, https, rtmp, rtmpt, > rtmps > > > on > > > > > the > > > > > > >>>> > same port 80 and 443, you can only achieve that by > cheating > > > with > > > > > > >>>> > subdomains + redirect/mod_proxy rules in Apache HTTPD. > > > > > > >>>> > > > > > > > >>>> > Our configuration currently allows people to configure > http > > + > > > > rtmp > > > > > > or > > > > > > >>>> > http + rtmpt on the same port. > > > > > > >>>> > However to practically achieve that you need Apache > > Webserver > > > > and > > > > > > >>>> > configured with mod_proxy. > > > > > > >>>> > > > > > > > >>>> > Sebastian > > > > > > >>>> > > > > > > > >>>> > 2012/4/28 Alexei Fedotov <[email protected]>: > > > > > > >>>> >> We have really long discussion on the subject: why does > our > > > > > typical > > > > > > >>>> >> installation has two http servers - one is Apache jetty > > > > embedded > > > > > > into > > > > > > >>>> red5, > > > > > > >>>> >> and another is Apache Httpd which redirects traffic from > > port > > > > 80 > > > > > to > > > > > > >>>> >> different ports of our product. > > > > > > >>>> >> > > > > > > >>>> >> I faced strong resistance convincing people that > decreasing > > > > > number > > > > > > of > > > > > > >>>> >> servers and ports is good. Of course the less servers we > > > have, > > > > > less > > > > > > >>>> >> installation work we have - why should we discuss it? > > > > > > >>>> >> > > > > > > >>>> >> Finally I noticed why two servers may be good for some > > > people. > > > > > This > > > > > > >>>> applies > > > > > > >>>> >> to the case when they want other http services like CMS > or > > > > > > E-learning to > > > > > > >>>> >> run on the same machine. I was thinking mostly about our > > > > > > Openmeetings > > > > > > >>>> >> server farm, where are no advantages of keeping proxies, > > > while > > > > > each > > > > > > >>>> httpd > > > > > > >>>> >> costs 200 Mb per server. > > > > > > >>>> >> > > > > > > >>>> >> So the question is if we should keep using different > ports > > in > > > > > > >>>> openmeetings. > > > > > > >>>> >> Are there any other reasons I missed? > > > > > > >>>> >> > > > > > > >>>> >> Concerning Maxim advice of using VPN - in my corporate > > life I > > > > > > don't even > > > > > > >>>> >> have an admin password or a right to run non-microsoft > > > > > executables. > > > > > > >>>> >> > > > > > > >>>> >> Thanks. > > > > > > >>>> > > > > > > > >>>> > > > > > > > >>>> > > > > > > > >>>> > -- > > > > > > >>>> > Sebastian Wagner > > > > > > >>>> > https://twitter.com/#!/dead_lock > > > > > > >>>> > http://www.openmeetings.de > > > > > > >>>> > http://www.webbase-design.de > > > > > > >>>> > http://www.wagner-sebastian.com > > > > > > >>>> > [email protected] > > > > > > >>>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> -- > > > > > > >>> WBR > > > > > > >>> Maxim aka solomax > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > Sebastian Wagner > > > > > https://twitter.com/#!/dead_lock > > > > > http://www.openmeetings.de > > > > > http://www.webbase-design.de > > > > > http://www.wagner-sebastian.com > > > > > [email protected] > > > > > > > > > > > > > > > > > > > > > -- > > > Sebastian Wagner > > > https://twitter.com/#!/dead_lock > > > http://www.openmeetings.de > > > http://www.webbase-design.de > > > http://www.wagner-sebastian.com > > > [email protected] > > > > > > > > > -- > Sebastian Wagner > https://twitter.com/#!/dead_lock > http://www.openmeetings.de > http://www.webbase-design.de > http://www.wagner-sebastian.com > [email protected] > -- WBR Maxim aka solomax
