'Port number' presentation slideshows

UNIX Socket Programming CS 6378 Project Reference Book: Unix Network programming: Networking APIs: Sockets and XTI (2nd edition), Prentice Hall >> UNIX System >> Sockets >> System Calls >> TCP Client Server >> UDP Client Server >> Threads Socket API

Information Security Session October 24, 2005. Bill Eaheart Network Security Coordinator DePaul University. Top Ten List. Install Operating system Updates and Patches Install Anti-Virus and Spyware Protection Use a Host Based Firewall Create a strong password

70-270: MCSE Guide to Microsoft Windows XP Professional Chapter 7: Windows XP Network Protocols. Objectives. Understand networking in Windows XP Understand Windows XP networking protocols Configure and use TCP/IP protocols and services Access NetWare servers and services from Windows XP

CURELAN TECHNOLOGY Co., LTD Flowviewer FM-800A. CURELAN TECHNOLOGY Co., LTD www.CureLan.com. What happens when hackers breach the perimeter?.

RATEX POS*Liberty Maintaining Backup Registers. RATEX Business Solutions, Inc. RATEX Users’ Conference Minneapolis ’03. Topics to be Discussed:. Hardware Setup and Configuration Online vs. Offline Register Settings & Functions The Upkeep of the Data Files

Review of Previous Lecture. Electronic Mail: SMTP, POP3, IMAP DNS Socket programming with TCP. Announcement. Homework 1 and project 1 due Wed. midnight Submission instruction posted in the newsgroup Recitation materials online. Our goals:

Network Monitoring and Security. Nick Feamster CS 4251 Spring 2008. Network Measurement. Passive vs. Active Measurement. Passive Measurement: Collection of packets, flow statistics of traffic that is already flowing on the network Packet traces Flow statistics Application-level logs

FTP FILE TRANSFER PROTOCOL. Forouzan Chapter 19, Stevens Chapter 27. FTP uses TCP. FTP uses two simultaneous TCP connections. Server port 21 is used for control, server port 20 for data transfers. Control Connection: 1. Server socket code puts server port 21 in passive open state “listen”

Application Layer and Socket Programming. Hakim Weatherspoon Assistant Professor, Dept of Computer Science CS 5413: High Performance Systems and Networking September 3, 2014. Slides used and adapted judiciously from Computer Networking, A Top-Down Approach. Goals for Today.

The Transport Layer De/Multiplexing, Reliability. CS 352, Lecture 6 http://www.cs.rutgers.edu/~sn624/352-S19 Srinivas Narayana (slides heavily adapted from text authors’ material). FTP. HTTP. SMTP. DNS. UDP. TCP. IP. …. X.25. 802.11. ATM. This lecture: Transport. Application.

Chapter 3. Transport Layer. O BJECTIVES. Understand the rationale for the existence of the transport layer. Understand the concept of application-to-application delivery. Understand the duties of the transport layer: packetizing, addressing, connection creation, and reliable delivery.

Our goals: understand principles behind transport layer services: multiplexing/demultiplexing reliable data transfer flow control congestion control. learn about transport layer protocols in the Internet: UDP: connectionless transport TCP: connection-oriented transport

Chapter 11. User Datagram Protocol. Objectives . Upon completion you will be able to:. Be able to explain process-to-process communication Know the format of a UDP user datagram Be able to calculate a UDP checksum Understand the operation of UDP

Guide to Network Defense and Countermeasures Second Edition. Chapter 1 Network Defense Fundamentals. Objectives. Explain the fundamentals of TCP/IP networking Describe the threats to network security Explain the goals of network security Describe a layered approach to network defense

Web Graph representation and compression. Thanks to Luciana Salete Buriol and Debora Donato. Locality : usually most of the hyperlinks are local, i.e, they point to other URLs on the same host. The literature reports that on average 80% of the hyperlinks are local.

Transport Protocols. Relates to Lab 5. An overview of the transport protocols of the TCP/IP protocol suite. Also, a short discussion of UDP. Orientation. We move one layer up and look at the transport layer. Orientation. Transport layer protocols are end-to-end protocols

TCOM 509: TCP/IP - Internet Protocols. Instructor: Scott T. Tran. * Obtained permission to use Raj Jain’s technical material. Understand concept of datagram processing and delivery (layering and encapsulation) Understand the client-server model as applied to networking

An Introduction to Computer Networks. Lecture 3: Sockets. University of Tehran Dept. of EE and Computer Engineering By: Dr. Nasser Yazdani. Outline. Protocol-to-protocol interface. Process model Socket programming What is a Socket? Why do we need sockets? Types of sockets

UDP PWs draft-stein-pwe3-udp-00.txt. PWE3 – 60 th IETF 2 August 2004. Yaakov (J) Stein. Issues. UDP/IP based PWs in PWE3 architecture/architecture UDP/IP extensively deployed in TDM PWs UDP/IP PWs useful alternative in enterprise space

Router/Classifier/Firewall Tables. Set of rules—(F,A) F is a filter Source and destination addresses. Port number and protocol. Time of day. A is an action Drop packet Forward to machine x (next hop). Reserve 10GB/sec bandwidth. Example Filters. QoS-router filter