system and network monitoring

Nagios: System and Network Monitoring potx

Danh mục: Hệ điều hành

Tài liệu system and network security acronyms and abbreviations doc

Danh mục: Hệ điều hành

...

The CERT® Guide to System and Network Security Practices pdf

Danh mục: An ninh - Bảo mật

Bài tập lớn ITSS Linux System and Network Management

Danh mục: Quản trị mạng

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Hands-On Ethical Hacking and Network Defense

Danh mục: Quản trị mạng

... DOES THE WEB APPLICATION REQUIRE AUTHENTICATION OF THE USER?Many Web applications require another server authenticate usersExamine how information is passed between the two serversEncrypted channelsVerify that logon and password information is stored on secure placesAuthentication servers introduce a second target443734APPLICATION VULNERABILITIES COUNTERMEASURES (CONTINUED)Top10 Web application vulnerabilities (continued)Remote administration flawsAttacker can gain access to the Web server through the remote administration interfaceWeb and application server misconfigurationAny Web server software out of the box is usually vulnerable to attackDefault accounts and passwordsOverly informative error messages3216WEB FORMSUse the <form> element or tag in an HTML documentAllows customer to submit information to the Web serverWeb servers process information from a Web form by using a Web applicationEasy way for attackers to intercept data that users submit to a Web server7APPLICATION VULNERABILITIES COUNTERMEASURESOpen Web Application Security Project (OWASP)Open, notforprofit organization dedicated to finding and fighting vulnerabilities in Web applicationsPublishes the Ten Most Critical Web Application Security VulnerabilitiesTop10 Web application vulnerabilitiesUnvalidated parametersHTTP requests are not validated by the Web serverBroken access controlDevelopers implement access controls but fail to test them properly29USING SCRIPTING LANGUAGESDynamic Web pages can be developed using scripting languagesVBScriptJavaScriptPHP18OPEN DATABASE CONNECTIVITY (ODBC) (CONTINUED)ODBC definesStandardized representation of data typesA library of ODBC functionsStandard methods of connecting to and logging on to a DBMS24WEB APPLICATION COMPONENTSStatic Web pagesCreated using HTMLDynamic Web pagesNeed special components<form> tagsCommon Gateway Interface (CGI)Active Server Pages (ASP)PHPColdFusionScripting languagesDatabase connectors6APACHE WEB SERVERTomcat Apache is another Web Server programTomcat Apache hosts anywhere from 50% to 60% of all Web sitesAdvantagesWorks on just about any *NIX and Windows platformIt is freeRequires Java 2 Standard Runtime Environment (J2SE, version 5.0)15ON WHAT PLATFORM WAS THE WEB APPLICATION DEVELOPED?Several different platforms and technologies can be used to develop Web applicationsAttacks differ depending on the platform and technology used to develop the applicationFootprinting is used to find out as much information as possible about a target system The more you know about a system the easier it is to gather information about its vulnerabilities45OPEN DATABASE CONNECTIVITY (ODBC)Standard database access method developed by the SQL Access GroupODBC interface allows an application to accessData stored in a database management system Any system that understands and can issue ODBC commandsInteroperability among backend DBMS is a key feature of the ODBC interface2348UNDERSTANDING WEB APPLICATIONSIt is nearly impossible to write a program without bugsSome bugs create security vulnerabilitiesWeb applications also have bugsWeb applications have a larger user base than standalone applicationsBugs are a bigger problem for Web applications5DOES THE WEB APPLICATION CONNECT TO A BACKEND DATABASE SERVER? (CONTINUED)Basic testing should look forWhether you can enter text with punctuation marksWhether you can enter a single quotation mark followed by any SQL keywordsWhether you can get any sort of database error when attempting to inject SQL43DOES THE WEB APPLICATION USE DYNAMIC WEB PAGES?Static Web pages do not create a security environmentIIS attack exampleSubmitting a specially formatted URL to the attacked Web serverIIS does not correctly parse the URL informationAttackers could launch a Unicode exploithttp://www.nopatchiss.com/scripts/ ... DOES THE WEB APPLICATION REQUIRE AUTHENTICATION OF THE USER?Many Web applications require another server authenticate usersExamine how information is passed between the two serversEncrypted channelsVerify that logon and password information is stored on secure placesAuthentication servers introduce a second target443734APPLICATION VULNERABILITIES COUNTERMEASURES (CONTINUED)Top10 Web application vulnerabilities (continued)Remote administration flawsAttacker can gain access to the Web server through the remote administration interfaceWeb and application server misconfigurationAny Web server software out of the box is usually vulnerable to attackDefault accounts and passwordsOverly informative error messages3216WEB FORMSUse the <form> element or tag in an HTML documentAllows customer to submit information to the Web serverWeb servers process information from a Web form by using a Web applicationEasy way for attackers to intercept data that users submit to a Web server7APPLICATION VULNERABILITIES COUNTERMEASURESOpen Web Application Security Project (OWASP)Open, notforprofit organization dedicated to finding and fighting vulnerabilities in Web applicationsPublishes the Ten Most Critical Web Application Security VulnerabilitiesTop10 Web application vulnerabilitiesUnvalidated parametersHTTP requests are not validated by the Web serverBroken access controlDevelopers implement access controls but fail to test them properly29USING SCRIPTING LANGUAGESDynamic Web pages can be developed using scripting languagesVBScriptJavaScriptPHP18OPEN DATABASE CONNECTIVITY (ODBC) (CONTINUED)ODBC definesStandardized representation of data typesA library of ODBC functionsStandard methods of connecting to and logging on to a DBMS24WEB APPLICATION COMPONENTSStatic Web pagesCreated using HTMLDynamic Web pagesNeed special components<form> tagsCommon Gateway Interface (CGI)Active Server Pages (ASP)PHPColdFusionScripting languagesDatabase connectors6APACHE WEB SERVERTomcat Apache is another Web Server programTomcat Apache hosts anywhere from 50% to 60% of all Web sitesAdvantagesWorks on just about any *NIX and Windows platformIt is freeRequires Java 2 Standard Runtime Environment (J2SE, version 5.0)15ON WHAT PLATFORM WAS THE WEB APPLICATION DEVELOPED?Several different platforms and technologies can be used to develop Web applicationsAttacks differ depending on the platform and technology used to develop the applicationFootprinting is used to find out as much information as possible about a target system The more you know about a system the easier it is to gather information about its vulnerabilities45OPEN DATABASE CONNECTIVITY (ODBC)Standard database access method developed by the SQL Access GroupODBC interface allows an application to accessData stored in a database management system Any system that understands and can issue ODBC commandsInteroperability among backend DBMS is a key feature of the ODBC interface2348UNDERSTANDING WEB APPLICATIONSIt is nearly impossible to write a program without bugsSome bugs create security vulnerabilitiesWeb applications also have bugsWeb applications have a larger user base than standalone applicationsBugs are a bigger problem for Web applications5DOES THE WEB APPLICATION CONNECT TO A BACKEND DATABASE SERVER? (CONTINUED)Basic testing should look forWhether you can enter text with punctuation marksWhether you can enter a single quotation mark followed by any SQL keywordsWhether you can get any sort of database error when attempting to inject SQL43DOES THE WEB APPLICATION USE DYNAMIC WEB PAGES?Static Web pages do not create a security environmentIIS attack exampleSubmitting a specially formatted URL to the attacked Web serverIIS does not correctly parse the URL informationAttackers could launch a Unicode exploithttp://www.nopatchiss.com/scripts/ ... DOES THE WEB APPLICATION REQUIRE AUTHENTICATION OF THE USER?Many Web applications require another server authenticate usersExamine how information is passed between the two serversEncrypted channelsVerify that logon and password information is stored on secure placesAuthentication servers introduce a second target443734APPLICATION VULNERABILITIES COUNTERMEASURES (CONTINUED)Top10 Web application vulnerabilities (continued)Remote administration flawsAttacker can gain access to the Web server through the remote administration interfaceWeb and application server misconfigurationAny Web server software out of the box is usually vulnerable to attackDefault accounts and passwordsOverly informative error messages3216WEB FORMSUse the <form> element or tag in an HTML documentAllows customer to submit information to the Web serverWeb servers process information from a Web form by using a Web applicationEasy way for attackers to intercept data that users submit to a Web server7APPLICATION VULNERABILITIES COUNTERMEASURESOpen Web Application Security Project (OWASP)Open, notforprofit organization dedicated to finding and fighting vulnerabilities in Web applicationsPublishes the Ten Most Critical Web Application Security VulnerabilitiesTop10 Web application vulnerabilitiesUnvalidated parametersHTTP requests are not validated by the Web serverBroken access controlDevelopers implement access controls but fail to test them properly29USING SCRIPTING LANGUAGESDynamic Web pages can be developed using scripting languagesVBScriptJavaScriptPHP18OPEN DATABASE CONNECTIVITY (ODBC) (CONTINUED)ODBC definesStandardized representation of data typesA library of ODBC functionsStandard methods of connecting to and logging on to a DBMS24WEB APPLICATION COMPONENTSStatic Web pagesCreated using HTMLDynamic Web pagesNeed special components<form> tagsCommon Gateway Interface (CGI)Active Server Pages (ASP)PHPColdFusionScripting languagesDatabase connectors6APACHE WEB SERVERTomcat Apache is another Web Server programTomcat Apache hosts anywhere from 50% to 60% of all Web sitesAdvantagesWorks on just about any *NIX and Windows platformIt is freeRequires Java 2 Standard Runtime Environment (J2SE, version 5.0)15ON WHAT PLATFORM WAS THE WEB APPLICATION DEVELOPED?Several different platforms and technologies can be used to develop Web applicationsAttacks differ depending on the platform and technology used to develop the applicationFootprinting is used to find out as much information as possible about a target system The more you know about a system the easier it is to gather information about its vulnerabilities45OPEN DATABASE CONNECTIVITY (ODBC)Standard database access method developed by the SQL Access GroupODBC interface allows an application to accessData stored in a database management system Any system that understands and can issue ODBC commandsInteroperability among backend DBMS is a key feature of the ODBC interface2348UNDERSTANDING WEB APPLICATIONSIt is nearly impossible to write a program without bugsSome bugs create security vulnerabilitiesWeb applications also have bugsWeb applications have a larger user base than standalone applicationsBugs are a bigger problem for Web applications5DOES THE WEB APPLICATION CONNECT TO A BACKEND DATABASE SERVER? (CONTINUED)Basic testing should look forWhether you can enter text with punctuation marksWhether you can enter a single quotation mark followed by any SQL keywordsWhether you can get any sort of database error when attempting to inject SQL43DOES THE WEB APPLICATION USE DYNAMIC WEB PAGES?Static Web pages do not create a security environmentIIS attack exampleSubmitting a specially formatted URL to the attacked Web serverIIS does not correctly parse the URL informationAttackers could launch a Unicode exploithttp://www.nopatchiss.com/scripts/...

English morpheme system and some applications of learning morpheme in establishing words

Danh mục: Khoa học xã hội

... and re- near the grammatical end of the continuum are called grammatical morphemes.Note that grammatical morphemes include forms that we can consider to be words like the, a, and, and of and ... of all, we should understand deeply about its morpheme system. Living in a community, human beings need a tool to communicate with each other, and to carry on human and social affairs. They, ... also play an 17English morpheme system Luong Thuan & Kim Phuong• First, both English morphemes and Vietnamese morphemes are the smallest unit of language and can not be divided into smaller...

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2,323
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3G handset and network design

Danh mục: Thiết kế - Đồ họa - Flash

File System and Disk Administration

Danh mục: Kỹ thuật lập trình

... Linux ext2 Kiểu filesystem đợc dùng chủ yếu trên Linux partition. iso9660 Kiểu ISO 9660 filesystem đợc dùng với CD-ROM disks. sysv Kiểu Nhằm hỗ trợ cho dạng UNIX System V filesystem. msdos ... dới Linux systems:## Sample /etc/fstab file for a Linux machine## Local mounts/dev/sda1 / ext2 defaults 1 1mkswap /dev/hda22. Mounting and unmounting file systemsMounting file systemsNh ... Bỏ mount một hệ thống file (điểm mount). I. File System and Disk Administration1. Cấu trúc th mục trên Unix / - Th mục gốc trên UNIX file system. /bin - Là symbol link tới /usr/bin chứa các...

File system and Disk Administration

Danh mục: Kỹ thuật lập trình

... solaris dùng lệnh newfs), mkswap tạo swap file system. Ví dụ mke2fs /dev/hda1 mkswap /dev/hda2 3. Mounting and unmounting file systems Mounting file systems Như ta đ biêt hệ thống file của UNIX ... của người sử dụng. ỹ Số trang đ in. VIII.File System and Disk Administration 1. Cấu trúc thư mục trên Unix ỹ / - Thư mục gốc trên UNIX file system. ỹ /bin - Là symbol link tới /usr/bin chứa ... recover bởi fsck. 2. Creating file systems Giới thiệu về UNIX- Một số thao tác cơ bản trên UNIX 77 ỹ sysv Kiểu Nhằm hỗ trợ cho dạng UNIX System V filesystem. ỹ msdos Kiểu DOS partition...

OCP: Oracle8i DBA Performance Tuning and Network Administration Study Guide

Danh mục: Cơ sở dữ liệu

... configure and manage the main network components and network configuration of the server.Chapter 14 covers client side configuration. You will learn about the main network components and configuration ... terminationD.Aborted termination62.What does OSI stand for?A.Oracle Standard ImplementationB.Oracle System InformationC.Open Standard InterconnectionD.Open Systems InterconnectionCopyright ©2000 ... basic network architecture. You will learn about the areas to consider when designing and implementing an Oracle network. You will also be introduced to the standard features of Oracle8i Net8 and...

Network Monitoring

Danh mục: Quản trị mạng

... configure Nagios.CHAPTER 6 N NETWORK MONITORING 159The last options from the Monitoring section that I want to cover here are Service Problems, Host Problems, and Network Outages. Each of these ... small example network in which four Linux servers are used. Three of these are on the internal network, and one of them is on the Internet. Nagios can monitor other operating systems as well, ... N NETWORK MONITORING 132+ap_+j]ceko.+dpl]oos`*qoano, but this file is not created automatically. The following command creates it for you, puts a user with the name j]ceko]`iej in it, and...

Cryptography and network security principles and practice, 5th edition

Danh mục: An ninh - Bảo mật

Tài liệu Designing a Microsoft Windows Server 2003 Active Directory and Network Infrastructure docx

Danh mục: Quản trị mạng

... Each office uses a standard user account and password for all servers in that office. Network administrators in each office know the user account and password combination. Network administrators ... of the bandwidth used between the Chicago and New York offices. Bandwidth utilization between these two offices is currently cause for concern. Network traffic between the Chicago and New York ... level of availability and reduced latency between the New York and Boston offices is required. Bandwidth utilization between the Boston and New York offices is minimal and is not a concern in...

CHAPTER 8 Consumer Choice and Demand in Traditional and Network Markets

Danh mục: Chuyên ngành kinh tế

Tài liệu Computer and Network Essential ppt

Danh mục: Quản trị mạng

System and load points reliability evaluation for electric power systems

Danh mục: Tài liệu khác

Tài liệu Service Level and Performance Monitoring pptx

Danh mục: Hệ điều hành

... Level and Performance Monitoring ✦ The System Monitor application can be demanding on resources. You can uselogs instead of displaying a graph, and then import the data into report pro-grams and ... introduced Service Level and Service Level Management. More and more companies and business plans are demanding that MIS maintain SL standards.To ensure that MIS or IT and IS managers adhere to ... Console starts, it loads a blank System Monitor graph intothe console tree. System Monitor System Monitor allows you to analyze system data and research performance and bottlenecks. The utility...

Tài liệu AC ANALYSIS AND NETWORK FUNCTIONS doc

Danh mục: Cơ khí - Chế tạo máy

... three-phase system into an equivalent one-phase system and performing simple hand calculations. The method of symmetrical components can be used to ana-lyze unbalanced three-phase systems. Another ... Figure P6.3 Unbalanced Three-phase System 6.4 For the system with network function Hsss sssss()=+++++++32432416420 12 10 find the poles and zeros of Hs(). 6.5 Use ... Figure 6.5 3-phase System, Wye-connected Source and Wye- connected Load Z t1Z t2Z t3Z 2VanVbnVcnZ 3Z 1 Figure 6.6 3-phase System, Wye-connected Source and Delta- connected...

Tài liệu COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATION doc

Danh mục: An ninh - Bảo mật

... Security and VPN,” 2001).Step 5: Measure and Report Network Trafﬁc Statisticsfor the Computers on Your Network That Are Using theMost BandwidthMeasuring the number of bytes a computer sends and ... computer on the network. As a76 COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATIONStep 3: Implement Intrusion Detection Systems at Key PointsWithin Your Network to Monitor Threats and AttacksAn ... much akin to shared Ethernet and may be susceptible to surreptitious monitoring of network traf-80 COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATIONStep 3: Use a Network Scanning Utility to...

Tài liệu Cryptography and Network Security Principles and Practices, Fourth Edition ppt

Danh mục: Cao đẳng - Đại học

... introduction of distributed systems and the use of networks and communications facilities for carrying databetween terminal user and computer and between computer and computer. Network security measures ... of and countermeasures for intruders and viruses, and theuse of firewalls and trusted systems.In addition, the book includes an extensive glossary, a lis t of frequently used acronyms, and ... Reading and Web Sites 461Section 20.5. Key Terms, Review Questions, and Problems 463Appendix A. Standards and Standards-Setting Organizations 464Section A.1. The Importance of Standards...

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