BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Is it possible to share a port with two different protocol s          BorlandTalk.com Forum Index -> Delphi Internet Winsock View previous topic :: View next topic   Author Message keyser Guest Posted: Fri Sep 16, 2005 5:25 pm    Post subject: Is it possible to share a port with two different protocol s Is it possible for a TidHTTPServer and a TidTCPServer to share the same port? I have two apps with one of the above servers each. The customer has configured every one of his products to allow a single port through the firewall. But now he would like to have the functionality of both applications at the same time and wants to see if we can monitor a single port for both servers. Is this even possible? Thanks. Back to top Jack Mays Guest Posted: Fri Sep 16, 2005 5:46 pm    Post subject: Re: Is it possible to share a port with two different protoc No, you cannot. the OS will not let you bind to a listening port that is already in use. -- Jack "keyser" <keyser_soze (AT) usa (DOT) com> wrote Quote: Is it possible for a TidHTTPServer and a TidTCPServer to share the same port? I have two apps with one of the above servers each. The customer has configured every one of his products to allow a single port through the firewall. But now he would like to have the functionality of both applications at the same time and wants to see if we can monitor a single port for both servers. Is this even possible? Thanks. Back to top keyser Guest Posted: Fri Sep 16, 2005 6:22 pm    Post subject: Re: Is it possible to share a port with two different protoc "Jack Mays" <no.spam (AT) no (DOT) spam> wrote: Quote: No, you cannot. the OS will not let you bind to a listening port that is already in use. -- Jack I was hoping that I could bind with the TidTCPServer and upon recognizing an inbound HTTP connection, pass it over to the TidHTTPServer, since both servers spawn a new threads for each connection. Thanks. Back to top Martin James Guest Posted: Fri Sep 16, 2005 10:32 pm    Post subject: Re: Is it possible to share a port with two different protoc Quote: I was hoping that I could bind with the TidTCPServer and upon recognizing an inbound HTTP connection, pass it over to the TidHTTPServer, since both servers spawn a new threads for each connection. HTTP is a TCP protocol, so any incoming data is certainly TCP, but may, or may not, be HTPP. Hence a problem - recognizing an inbound HTTP connection. Rgds, Martin Back to top Martin James Guest Posted: Fri Sep 16, 2005 10:41 pm    Post subject: Re: Is it possible to share a port with two different protoc Quote: HTTP is a TCP protocol, so any incoming data is certainly TCP, but may, or may not, be HTPP. Hence a problem - recognizing an inbound HTTP connection. ...HTPP? or even HTTP, (squeezes wine bag... hic...<g>) Rgds, Martin 'pissed' James Back to top Martin James Guest Posted: Fri Sep 16, 2005 10:58 pm    Post subject: Re: Is it possible to share a port with two different protoc Persuade your client netAdmin to open another port, like the Palestinians in Gaza. 81 seems a reasonalbe bet. AFAIK, there are no Billy wormholes on 81, (unless your app wants to take on this job:) Rgds, Martin Back to top Remy Lebeau (TeamB) Guest Posted: Mon Sep 19, 2005 7:48 am    Post subject: Re: Is it possible to share a port with two different protoc "keyser" <keyser_soze (AT) usa (DOT) com> wrote Quote: Is it possible for a TidHTTPServer and a TidTCPServer to share the same port? Yes, but only if they are each bound to a different IP address from each other. As long as they are listening on different IPs, then they can both listen on the same port number. Quote: I have two apps with one of the above servers each. The customer has configured every one of his products to allow a single port through the firewall. But now he would like to have the functionality of both applications at the same time and wants to see if we can monitor a single port for both servers. If binding to different IP addresses is not an option, then one of the server must listen on a different port number. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Mon Sep 19, 2005 7:49 am    Post subject: Re: Is it possible to share a port with two different protoc "Jack Mays" <no.spam (AT) no (DOT) spam> wrote Quote: No, you cannot. Yes, you can. See my other reply. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Mon Sep 19, 2005 7:50 am    Post subject: Re: Is it possible to share a port with two different protoc "keyser" <keyser_soze (AT) usa (DOT) com> wrote Quote: I was hoping that I could bind with the TidTCPServer and upon recognizing an inbound HTTP connection, pass it over to the TidHTTPServer, since both servers spawn a new threads for each connection. Why do you need a TIdTCPServer for that? HTTP is a TCP-based protocol, so your HTTP clients would connect to it directly. There is no need for a separate TIdTCPServer to handle that. Gambit Back to top Chad Z. Hower aka Kudzu Guest Posted: Tue Sep 20, 2005 5:59 pm    Post subject: Re: Is it possible to share a port with two different protoc "Jack Mays" <no.spam (AT) no (DOT) spam> wrote in news:432b054b$1 (AT) newsgroups (DOT) borland.com: Quote: No, you cannot. the OS will not let you bind to a listening port that is already in use. Almost - you can force reuse of a port and share it between two servers. In such a case, its "random" as to which server gets each incoming requests. -- Chad Z. Hower (a.k.a. Kudzu) - http://www.KudzuWorld.com/ "Programming is an art form that fights back" Want to keep up to date with Indy? 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