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Universidad Pol Facultad D Trabajo
UNIVERSIDAD POLITÉCNICA DE MADRID FACULTAD DE INFORMÁTICA TRABAJO FINAL DE CARRERA ESTUDIO DEL PROTOCOLO XMPP DE MESAJERÍA ISTATÁEA, DE SUS ATECEDETES, Y DE SUS APLICACIOES CIVILES Y MILITARES Autor: José Carlos Díaz García Tutor: Rafael Martínez Olalla Madrid, Septiembre de 2008 2 A mis padres, Francisco y Pilar, que me empujaron siempre a terminar esta licenciatura y que tanto me han enseñado sobre la vida A mis abuelos (q.e.p.d.) A mi hijo icolás, que me ha dejado terminar este trabajo a pesar de robarle su tiempo de juego conmigo Y muy en especial, a Susana, mi fiel y leal compañera, y la luz que ilumina mi camino Agradecimientos En primer lugar, me gustaría agradecer a toda mi familia la comprensión y confianza que me han dado, una vez más, para poder concluir definitivamente esta etapa de mi vida. Sin su apoyo, no lo hubiera hecho. En segundo lugar, quiero agradecer a mis amigos Rafa y Carmen, su interés e insistencia para que llegara este momento. Por sus consejos y por su amistad, les debo mi gratitud. Por otra parte, quiero agradecer a mis compañeros asesores militares de Nextel Engineering sus explicaciones y sabios consejos, que sin duda han sido muy oportunos para escribir el capítulo cuarto de este trabajo. Del mismo modo, agradecer a Pepe Hevia, arquitecto de software de Alhambra Eidos, los buenos ratos compartidos alrrededor de nuestros viejos proyectos sobre XMPP y que encendieron prodigiosamente la mecha de este proyecto. A Jaime y a Bernardo, del Ministerio de Defensa, por haberme hecho descubrir las bondades de XMPP. -
Simulacijski Alati I Njihova Ograničenja Pri Analizi I Unapređenju Rada Mreža Istovrsnih Entiteta
SVEUČILIŠTE U ZAGREBU FAKULTET ORGANIZACIJE I INFORMATIKE VARAŽDIN Tedo Vrbanec SIMULACIJSKI ALATI I NJIHOVA OGRANIČENJA PRI ANALIZI I UNAPREĐENJU RADA MREŽA ISTOVRSNIH ENTITETA MAGISTARSKI RAD Varaždin, 2010. PODACI O MAGISTARSKOM RADU I. AUTOR Ime i prezime Tedo Vrbanec Datum i mjesto rođenja 7. travanj 1969., Čakovec Naziv fakulteta i datum diplomiranja Fakultet organizacije i informatike, 10. listopad 2001. Sadašnje zaposlenje Učiteljski fakultet Zagreb – Odsjek u Čakovcu II. MAGISTARSKI RAD Simulacijski alati i njihova ograničenja pri analizi i Naslov unapređenju rada mreža istovrsnih entiteta Broj stranica, slika, tablica, priloga, XIV + 181 + XXXVIII stranica, 53 slike, 18 tablica, 3 bibliografskih podataka priloga, 288 bibliografskih podataka Znanstveno područje, smjer i disciplina iz koje Područje: Informacijske znanosti je postignut akademski stupanj Smjer: Informacijski sustavi Mentor Prof. dr. sc. Željko Hutinski Sumentor Prof. dr. sc. Vesna Dušak Fakultet na kojem je rad obranjen Fakultet organizacije i informatike Varaždin Oznaka i redni broj rada III. OCJENA I OBRANA Datum prihvaćanja teme od Znanstveno- 17. lipanj 2008. nastavnog vijeća Datum predaje rada 9. travanj 2010. Datum sjednice ZNV-a na kojoj je prihvaćena 18. svibanj 2010. pozitivna ocjena rada Prof. dr. sc. Neven Vrček, predsjednik Sastav Povjerenstva koje je rad ocijenilo Prof. dr. sc. Željko Hutinski, mentor Prof. dr. sc. Vesna Dušak, sumentor Datum obrane rada 1. lipanj 2010. Prof. dr. sc. Neven Vrček, predsjednik Sastav Povjerenstva pred kojim je rad obranjen Prof. dr. sc. Željko Hutinski, mentor Prof. dr. sc. Vesna Dušak, sumentor Datum promocije SVEUČILIŠTE U ZAGREBU FAKULTET ORGANIZACIJE I INFORMATIKE VARAŽDIN POSLIJEDIPLOMSKI ZNANSTVENI STUDIJ INFORMACIJSKIH ZNANOSTI SMJER STUDIJA: INFORMACIJSKI SUSTAVI Tedo Vrbanec Broj indeksa: P-802/2001 SIMULACIJSKI ALATI I NJIHOVA OGRANIČENJA PRI ANALIZI I UNAPREĐENJU RADA MREŽA ISTOVRSNIH ENTITETA MAGISTARSKI RAD Mentor: Prof. -
Informational Internet Relay
Network Working Group C. Kalt Request for Comments: 2813 April 2000 Updates: 1459 Category: Informational Internet Relay Chat: Server Protocol Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2000). All Rights Reserved. Abstract While based on the client-server model, the IRC (Internet Relay Chat) protocol allows servers to connect to each other effectively forming a network. This document defines the protocol used by servers to talk to each other. It was originally a superset of the client protocol but has evolved differently. First formally documented in May 1993 as part of RFC 1459 [IRC], most of the changes brought since then can be found in this document as development was focused on making the protocol scale better. Better scalability has allowed existing world-wide networks to keep growing and reach sizes which defy the old specification. Kalt Informational [Page 1] RFC 2813 Internet Relay Chat: Server Protocol April 2000 Table of Contents 1. Introduction ............................................... 3 2. Global database ............................................ 3 2.1 Servers ................................................ 3 2.2 Clients ................................................ 4 2.2.1 Users ............................................. 4 2.2.2 Services .......................................... 4 2.3 Channels .............................................. -
Ethical Hacking and Countermeasures: Threats and Defense Mechanisms
EC-Council | Press The Experts: EC-Council EC-Council’s mission is to address the need for well educated and certifi ed information security and e-business practitioners. EC-Council is a global, member based organization comprised of hundreds of industry and subject matter experts all working together to set the standards and raise the bar in Information Security certifi cation and education. EC-Council certifi cations are viewed as the essential certifi cations needed where standard confi guration and security policy courses fall short. Providing a true, hands-on, tactical approach to security, individuals armed with the knowledge disseminated by EC-Council programs are securing networks around the world and beating the hackers at their own game. The Solution: EC-Council Press The EC-Council | Press marks an innovation in academic text books and courses of study in information security, computer forensics, disaster recovery, and end-user security. By repurposing the essential content of EC-Council’s world class professional certifi cation programs to fi t academic programs, the EC-Council | Press was formed. With 8 Full Series, comprised of 27 different books, the EC-Council | Press is set to revolutionize global information security programs and ultimately create a new breed of practitioners capable of combating this growing epidemic of cybercrime and the rising threat of cyber war. This Certifi cation: C|EH – Certifi ed Ethical Hacker Certifi ed Ethical Hacker is a certifi cation designed to immerse the learner in an interactive environment where they will learn how to scan, test, hack and secure information systems. Ideal candidates for the C|EH program are security professionals, site administrators, security offi cers, auditors or anyone who is concerned with the integrity of a network infrastructure. -
Ubuntu Server Guide Ubuntu Server Guide Copyright © 2010 Canonical Ltd
Ubuntu Server Guide Ubuntu Server Guide Copyright © 2010 Canonical Ltd. and members of the Ubuntu Documentation Project3 Abstract Welcome to the Ubuntu Server Guide! It contains information on how to install and configure various server applications on your Ubuntu system to fit your needs. It is a step-by-step, task-oriented guide for configuring and customizing your system. Credits and License This document is maintained by the Ubuntu documentation team (https://wiki.ubuntu.com/DocumentationTeam). For a list of contributors, see the contributors page1 This document is made available under the Creative Commons ShareAlike 2.5 License (CC-BY-SA). You are free to modify, extend, and improve the Ubuntu documentation source code under the terms of this license. All derivative works must be released under this license. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE AS DESCRIBED IN THE DISCLAIMER. A copy of the license is available here: Creative Commons ShareAlike License2. 3 https://launchpad.net/~ubuntu-core-doc 1 ../../libs/C/contributors.xml 2 /usr/share/ubuntu-docs/libs/C/ccbysa.xml Table of Contents 1. Introduction ........................................................................................................................... 1 1. Support .......................................................................................................................... 2 2. Installation ............................................................................................................................ -
A Tool for Internet Chatroom Surveillance
A Tool for Internet Chatroom Surveillance Ahmet C¸amtepe, Mukkai S. Krishnamoorthy, and B¨ulent Yener ? Department of Computer Science, RPI, Troy, NY 12180, USA. {camtes, moorthy, yener}@cs.rpi.edu Abstract. Internet chatrooms are common means of interaction and communications, and they carry valuable information about formal or ad-hoc formation of groups with diverse objectives. This work presents a fully automated surveillance system for data collection and analysis in Internet chatrooms. The system has two components: First, it has an eavesdropping tool which collects statistics on individual (chatter) and chatroom behavior. This data can be used to profile a chatroom and its chatters. Second, it has a computational discovery algorithm based on Singular Value Decomposition (SVD) to locate hidden communities and communication patterns within a chatroom. The eavesdropping tool is used for fine tuning the SVD-based discovery algorithm which can be deployed in real-time and requires no semantic information processing. The evaluation of the system on real data shows that (i) statistical prop- erties of different chatrooms vary significantly, thus profiling is possible, (ii) SVD-based algorithm has up to 70-80% accuracy to discover groups of chatters. 1 Introduction and Background Internet chatrooms provide for an interactive and public forum of communica- tion for participants with diverse objectives. Two properties of chatrooms make them particularly vulnerable for exploitation by malicious parties. First, the real identity of participants are decoupled from their chatroom nicknames. Second, multiple threads of communication can co-exists concurrently. Although human- monitoring of each chatroom to determine who-is-chatting-with-whom is possible, it is very time consuming hence not scalable. -
Fastbuild: Accelerating Docker Image Building for Efficient Development
FastBuild: Accelerating Docker Image Building for Efficient Development and Deployment of Container Zhuo Huang1, Song Wu1∗, Song Jiang2 and Hai Jin1 1National Engineering Research Center for Big Data Technology and System 1Services Computing Technology and System Lab, Cluster and Grid Computing Lab 1School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China 2Department of Computer Science and Engineering, University of Texas at Arlington, Texas 76019, U.S 1 fhuangzhuo, wusong, [email protected] [email protected] Abstract—Docker containers have been increasingly adopted is especially desired in a DevOps environment where frequent on various computing platforms to provide a lightweight vir- deployments occur. In the meantime, DevOps also requires tualized execution environment. Compared to virtual machines, repeated adjustments and testing of container images. An this technology can often reduce the launch time from a few minutes to less than 10 seconds, assuming the Docker image image is often iteratively re-built before and after a container is has been locally available. However, Docker images are highly launched from it. To support flexible customization of images, customizable, and are mostly built at runtime from a remote Docker adopts a mechanism to build images at the client side. base image by running instructions in a script (the Dockerfile). An image can be built by running a Dockerfile, which is During the instruction execution, a large number of input files a script containing instructions for building an image, from may have to be retrieved via the Internet. The image building may be an iterative process as one may need to repeatedly modify a base image that provides basic and highly customizable the Dockerfile until a desired image composition is received. -
Introducción a Linux Equivalencias Windows En Linux Ivalencias
No has iniciado sesión Discusión Contribuciones Crear una cuenta Acceder Página discusión Leer Editar Ver historial Buscar Introducción a Linux Equivalencias Windows en Linux Portada < Introducción a Linux Categorías de libros Equivalencias Windows en GNU/Linux es una lista de equivalencias, reemplazos y software Cam bios recientes Libro aleatorio análogo a Windows en GNU/Linux y viceversa. Ayuda Contenido [ocultar] Donaciones 1 Algunas diferencias entre los programas para Windows y GNU/Linux Comunidad 2 Redes y Conectividad Café 3 Trabajando con archivos Portal de la comunidad 4 Software de escritorio Subproyectos 5 Multimedia Recetario 5.1 Audio y reproductores de CD Wikichicos 5.2 Gráficos 5.3 Video y otros Imprimir/exportar 6 Ofimática/negocios Crear un libro 7 Juegos Descargar como PDF Versión para im primir 8 Programación y Desarrollo 9 Software para Servidores Herramientas 10 Científicos y Prog s Especiales 11 Otros Cambios relacionados 12 Enlaces externos Subir archivo 12.1 Notas Páginas especiales Enlace permanente Información de la Algunas diferencias entre los programas para Windows y y página Enlace corto GNU/Linux [ editar ] Citar esta página La mayoría de los programas de Windows son hechos con el principio de "Todo en uno" (cada Idiomas desarrollador agrega todo a su producto). De la misma forma, a este principio le llaman el Añadir enlaces "Estilo-Windows". Redes y Conectividad [ editar ] Descripción del programa, Windows GNU/Linux tareas ejecutadas Firefox (Iceweasel) Opera [NL] Internet Explorer Konqueror Netscape / -
Botnets, Zombies, and Irc Security
Botnets 1 BOTNETS, ZOMBIES, AND IRC SECURITY Investigating Botnets, Zombies, and IRC Security Seth Thigpen East Carolina University Botnets 2 Abstract The Internet has many aspects that make it ideal for communication and commerce. It makes selling products and services possible without the need for the consumer to set foot outside his door. It allows people from opposite ends of the earth to collaborate on research, product development, and casual conversation. Internet relay chat (IRC) has made it possible for ordinary people to meet and exchange ideas. It also, however, continues to aid in the spread of malicious activity through botnets, zombies, and Trojans. Hackers have used IRC to engage in identity theft, sending spam, and controlling compromised computers. Through the use of carefully engineered scripts and programs, hackers can use IRC as a centralized location to launch DDoS attacks and infect computers with robots to effectively take advantage of unsuspecting targets. Hackers are using zombie armies for their personal gain. One can even purchase these armies via the Internet black market. Thwarting these attacks and promoting security awareness begins with understanding exactly what botnets and zombies are and how to tighten security in IRC clients. Botnets 3 Investigating Botnets, Zombies, and IRC Security Introduction The Internet has become a vast, complex conduit of information exchange. Many different tools exist that enable Internet users to communicate effectively and efficiently. Some of these tools have been developed in such a way that allows hackers with malicious intent to take advantage of other Internet users. Hackers have continued to create tools to aid them in their endeavors. -
Introduction What Is Mtcp?
Good news, everyone! User Documentation Version: 2020-03-07 M. Brutman ([email protected]) http://www.brutman.com/mTCP/ Table of Contents Introduction and Setup Introduction..............................................................................................................................................................8 What is mTCP?...................................................................................................................................................8 Features...............................................................................................................................................................8 Tested machines/environments...........................................................................................................................9 Licensing...........................................................................................................................................................10 Packaging..........................................................................................................................................................10 Binaries.....................................................................................................................................................................10 Documentation..........................................................................................................................................................11 Support and contact information.......................................................................................................................11 -
Pipenightdreams Osgcal-Doc Mumudvb Mpg123-Alsa Tbb
pipenightdreams osgcal-doc mumudvb mpg123-alsa tbb-examples libgammu4-dbg gcc-4.1-doc snort-rules-default davical cutmp3 libevolution5.0-cil aspell-am python-gobject-doc openoffice.org-l10n-mn libc6-xen xserver-xorg trophy-data t38modem pioneers-console libnb-platform10-java libgtkglext1-ruby libboost-wave1.39-dev drgenius bfbtester libchromexvmcpro1 isdnutils-xtools ubuntuone-client openoffice.org2-math openoffice.org-l10n-lt lsb-cxx-ia32 kdeartwork-emoticons-kde4 wmpuzzle trafshow python-plplot lx-gdb link-monitor-applet libscm-dev liblog-agent-logger-perl libccrtp-doc libclass-throwable-perl kde-i18n-csb jack-jconv hamradio-menus coinor-libvol-doc msx-emulator bitbake nabi language-pack-gnome-zh libpaperg popularity-contest xracer-tools xfont-nexus opendrim-lmp-baseserver libvorbisfile-ruby liblinebreak-doc libgfcui-2.0-0c2a-dbg libblacs-mpi-dev dict-freedict-spa-eng blender-ogrexml aspell-da x11-apps openoffice.org-l10n-lv openoffice.org-l10n-nl pnmtopng libodbcinstq1 libhsqldb-java-doc libmono-addins-gui0.2-cil sg3-utils linux-backports-modules-alsa-2.6.31-19-generic yorick-yeti-gsl python-pymssql plasma-widget-cpuload mcpp gpsim-lcd cl-csv libhtml-clean-perl asterisk-dbg apt-dater-dbg libgnome-mag1-dev language-pack-gnome-yo python-crypto svn-autoreleasedeb sugar-terminal-activity mii-diag maria-doc libplexus-component-api-java-doc libhugs-hgl-bundled libchipcard-libgwenhywfar47-plugins libghc6-random-dev freefem3d ezmlm cakephp-scripts aspell-ar ara-byte not+sparc openoffice.org-l10n-nn linux-backports-modules-karmic-generic-pae -
8.2.4 High-Fidelity Prototyping
8.2 Prototyping and construction 245 I Drive car to gas pump Take nozzle from pump ... and put it ~ntothe car's gas tank Squeeze trigger on Replace nozzle Pay cash~er the nozzle until when tank is full tank is full Figure 8.4 A storyboard depicting how to fill a car with gas. Wizard of Oz Another low-fidelity prototyping method called Wizard of Oz assumes that you have a software-based prototype. In this technique, the user sits at a computer screen and interacts with the software as though interacting with the product. In fact, however, the computer is connected to another ma- chine where a human operator sits and simulates the software's response to the user. The method takes its name from the classic story of the little girl who is swept away in a storm and finds herself in the Land of Oz (Baum and Denslow, 1900). 8.2.4 High-fidelity prototyping High-fidelity prototyping uses materials that you would expect to be in the final product and produces a prototype that looks much more like the final thing. For example, a prototype of a software system developed in Visual Basic is higher fi- delity than a paper-based mockup; a molded piece of plastic with a dummy key- board is a higher-fidelity prototype of the PalmPilot than the lump of wood. If you are to build a prototype in software, then clearly you need a software tool to support this. Common prototyping tools include Macromedia Director, Vi- sual Basic, and Smalltalk.