'Default http server port' presentation slideshows

ELEG 651 and CPEG 419

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ELEG 651 and CPEG 419

873 views • 69 slides

Data Communication and Networks

Data Communication and Networks. Lecture 3 Application Protocols (HTTP, SMTP,FTP) September 23, 2004. E-mail Web Instant messaging Remote login P2P file sharing Multi-user network games Streaming stored video clips. Internet telephone Real-time video conference

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Internet protocol stack

application: supporting network applications FTP, SMTP, HTTP transport: process-process data transfer TCP, UDP network: routing of datagrams from source to destination IP, routing protocols link: data transfer between neighboring network elements PPP, Ethernet

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Application layer

P2P applications Building a Web server. Application layer. Principles of network applications Web and HTTP FTP , TFTP TELNET Electronic Mail SMTP, POP3, IMAP DNS. voice over IP real-time video conferencing grid computing. Some network apps. e-mail web instant messaging

541 views • 35 slides

Application layer

P2P applications Building a Web server. Application layer. Principles of network applications Web and HTTP FTP Electronic Mail SMTP, POP3, IMAP DNS. voice over IP real-time video conferencing grid computing. Some network apps. e-mail web instant messaging remote login

568 views • 35 slides

1DT066 Distributed Information Systems Chapter 2 Applications

1DT066 Distributed Information Systems Chapter 2 Applications. 2.1 principles of network applications 2.2 Web and HTTP 2.5 Domain Name Server 2.6 P2P applications. Applications: outline. e-mail web text messaging remote login P2P file sharing multi-user network games

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Trying out HTTP (client side) for yourself

1. Telnet to your favorite Web server:. Trying out HTTP (client side) for yourself. Opens TCP connection to port 80 (default HTTP server port) at cis.poly.edu. Anything typed in sent to port 80 at cis.poly.edu. telnet cis.poly.edu 80. 2. Type in a GET HTTP request:.

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DNS

DNS. DNS services Hostname to IP address translation Host aliasing Canonical and alias names Mail server aliasing Load distribution Replicated Web servers: set of IP addresses for one canonical name. DNS: Domain Name System. Root DNS Servers`. org DNS servers. edu DNS servers.

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DNS

DNS. DNS services Hostname to IP address translation Host aliasing Canonical and alias names Mail server aliasing Load distribution Replicated Web servers: set of IP addresses for one canonical name. DNS: Domain Name System. Root DNS Servers`. org DNS servers. edu DNS servers.

392 views • 25 slides

Chapter 2: Application Layer

Our goals: conceptual, implementation aspects of network application protocols transport-layer service models client-server paradigm peer-to-peer paradigm. learn about protocols by examining popular application-level protocols HTTP FTP SMTP / POP3 / IMAP DNS

383 views • 25 slides

DNS

DNS. DNS services Hostname to IP address translation Host aliasing Canonical and alias names Mail server aliasing Load distribution Replicated Web servers: set of IP addresses for one canonical name. DNS: Domain Name System. Root DNS Servers`. org DNS servers. edu DNS servers.

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Review: Which protocol is used to move email messages around in the Internet?

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Application Layer: HTTP

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HTTP Cookies

281 views • 12 slides