system and network monitoring by wolfgang barth

Nagios: System and Network Monitoring potx

... andrepresentingthe performancedataprovided by plugins, whichare describedindetail in Chapter 17.Networksare rarely homogeneous, that is,equippedonlywithLinux andotherUnix-based operating systems. ... target system can only be reached throughaparticular router that hasjustgonedown,then Nagios reports that thetargetsystem is “unreachable”, anddoesnot bother tobombarditwithfurther host andservicechecks.The ... thecommand withwhich Nagiostests theservicefor function-ality. Argumentsare passedontothe actualcommand, check_ping,sep-arated by exclamation marks. Thedeﬁnition of the check_ping command,predeﬁnedinthe...

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

... CERT® GUIDE TO SYSTEM AND NETWORK SECURITY PRACTICES8 THE CERT® GUIDE TO SYSTEM AND NETWORK SECURITY PRACTICESTo Identify and Enable Systems and Network Logging MechanismsIdentify and Install ... establishment and maintenance of secure conﬁgura-tions and the secure operations of critical assets.Most system and network administrators have developed their knowledge of how toprotect and secure systems ... tools and exploit scripts was the exception rather than the rule. By theyear 2000, due to the widespread and easy availability of intrusion tools and exploit2 THE CERT® GUIDE TO SYSTEM AND NETWORK...

Bài tập lớn ITSS Linux System and Network Management

Danh mục: Quản trị mạng

... NỘIVIỆN CÔNG NGHỆ THÔNG TIN VÀ TRUYỀN THÔNG──────── * ───────BÀI TẬP LỚNMÔN: ITSS Linux System and Network Management Sinh viên thực hiện: Nguyễn Đức Hiếu (Nhóm trưởng)Phan Quốc KhánhTrần ... Thiết lập domain name:nano /etc/sysconfig /network edit domain name "server1.hhkd1570.vn"- Config custom static ipnano /etc/sysconfig /network- scripts/ifcfg-eth1 DEVICE=eth1BOOTPROTO=staticnm_controlled=noIPADDR=10.0.10.1NETMASK=255.255.255.0BROADCAST=10.0.10.255 NETWORK= 10.0.10.0DEFROUTE=yes- ... giữa 2 máy (accept, drop, reject,…)• Trước hết cần forward traffic từ private network 10.0.10.0/24 trên eth1 sang network trên eth0- Thêm cấu hình vào file cfg-eth1 để có gateway forward:Nhập...

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Tài liệu tiếng anh Điện tử công suất mạch MERS Loss and rating consideration of a wind energy conversion system with reactive compensation by magnetic energy recovery switch

Danh mục: Tự động hóa

Tài liệu NETWORK SECURITY BY CHRISTOS DOULIGERIS AND PANAYIOTIS KOTZANIKOLAOU ppt

Danh mục: An ninh - Bảo mật

... definition of network security can be constructed by defining its two components, security and networks. UNESCO – EOLSSSAMPLE CHAPTERSTELECOMMUNICATION SYSTEMS AND TECHNOLOGIES – Vol. II - Network ... information risk analysis and security policies for systems and networks]. International Standardization Organization (1994). Information Processing Systems – Open Systems Interconnection – ... on cryptography and security for mobile agents, distributed systems, intelligent networks, ad hoc networks and sensor networks. He has served as a technical committee member and as a reviewer...

Tài liệu Báo cáo khoa học: Membrane targeting and pore formation by the type III secretion system translocon pdf

Danh mục: Báo cáo khoa học

... Inv-Mxi-Spa systems arefound in Shigella, Salmonella, and Burkholderia spp.In addition, Ssa-Esc systems exist in enteropathogenic(EPEC) and enterohaemorrhagic (EHEC) Escherichiacoli species (Esc), and ... membrane and increasing Salmonella invasionefﬁciency [62]. It is of note that both IpaC and SipCare essential for Shigella and Salmonella uptake by macrophages in the early steps of invasion, and ... ARTICLEMembrane targeting and pore formation by the type IIIsecretion system transloconPierre-Jean Matteı¨1, Eric Faudry2, Viviana Job1, Thierry Izore´1, Ina Attree2 and Andre´a Dessen11...

báo cáo hóa học: " A case study of new assessment and training of unilateral spatial neglect in stroke patients: effect of visual image transformation and visual stimulation by using a head mounted display system (HMD)" doc

Danh mục: Điện - Điện tử

... object-centered and egocentric coordinates by HMD. Therefore, we used a combined system (CCDcamera, HMD, and a computer) in order to display areduced or an enlarged visual field of real image and thenHMD ... special tests in random order forboth object-centered and egocentric co-ordinates. PatientA performed the common clinical test and two specialtests; special test 1 and 2 and Patient B performed ... performed thecommon clinical test and four special tests; special test 3,4, 5 and 6.5. ResultsIn this study, the score of FIM-M and FIM-C of Patient A and B was 42 and 58, respectively. The scores...

Báo cáo hóa học: " Cultivation of GMO in Germany: support of monitoring and coexistence issues by WebGIS technology" doc

Danh mục: Hóa học - Dầu khí

Báo cáo hóa học: " Research Article Robust Object Categorization and Segmentation Motivated by Visual Contexts in the Human Visual System" docx

Danh mục: Hóa học - Dầu khí

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, ... should do. In the limited time and scope, we have introduced some features of English morpheme system as well as its importance in learning English in general and spelling, developing vocabulary...

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3G handset and network design

Danh mục: Thiết kế - Đồ họa - Flash

ESTROGENIC ACTIVITY LEVEL OF NAKDONG RIVER BASIN AND ITS CONTROL BY WATER TREATMENT PROCESSES

Danh mục: Môi trường

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...

Moment and Shear, Generated by DL on the Composite Section

Danh mục: Kỹ thuật lập trình

... strandsEp 28500:=Number of strands at middleNs_middle ye4ceilsp2:= Ns_middle 34=Area of pre-stress strandsAps_1 Ns_middle Strand_area⋅:= Aps_1 7.378=Total force in strandsFs ... data for strand pattern for the proper beam.LRFD pre-stressed beam.mcd7/1/2003 16 of 71Moment and Shear, Generated by DL on the Composite Section.This generator is capable of handling from ... f_reqd 3.789=Approximate force per strand (k) =(estimate 42 ksi loss)F_est Strand_area 0.75 Strand_strength⋅ 42−( )⋅:= F_est 34.828=Approximate number of strands required =N1f_reqdF_est1Areayb...

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

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a discourse analysis of opening and closing speeches by masters of ceremonyon reality television showsin american english versus vietnames

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