chapter 10  detecting and subverting firewalls and intrusion detection systems

... intermediate and end device connections in a LAN – Identify the pin out configurations for straight-through and crossover cables Identify the different cabling types, standards and ports used ... • Similar to the switch, cost and interface types and speeds must be considered as well Additional factors: – Expandability – Media – Operating System Features Expandability • Fixed configurations ... today's needs? – A mixture of UTP speeds? – Both UTP and fiber ports? • The number of UTP ports and fiber ports will be needed The number of Gbps ports and 10/100 Mbps ports H c vi n m ng Bách khoa...

Ngày tải lên: 22/12/2013, 13:17

... Standard input, output, and error UNIX users are already familiar with the concept of standard input, standard output, and standard error This section is for the rest of you Standard output and ... choosing a random one is easy Python comes with a module called random which includes several useful functions The random.choice function takes a list of any number of items and returns a random item ... shows how Python can be used to create a "real" standalone command-line script, complete with command-line flags, command-line arguments, error handling, even the ability to take input from the...

Ngày tải lên: 26/01/2014, 08:20

... Pearson AddisonWesley All rights reserved 10-25 Dynamic and Automatic Variables ♦ Dynamic variables ♦ Created with new operator ♦ Created and destroyed while program runs ♦ Local variables ♦ Declared ... AddisonWesley All rights reserved 10-42 Back to Classes ♦ The -> operator ♦ Shorthand notation ♦ Combines dereference operator, *, and dot operator ♦ Specifies member of class "pointed to" by given pointer ... So assignment "chains" are possible ♦ e.g., a = b = c; ♦ Sets a and b equal to c ♦ Operator must return "same type" as it’s left-hand side ♦ To allow chains to work ♦ The this pointer will help...

Ngày tải lên: 01/04/2014, 22:21

... instructions)  Another practical consideration concerns the answer sheets and the stationery used  Test instructions to the candidates All instructions are clearly written  Samples are given  Grammatical ... capable of measuring specific characteristics in accordance with a theory of language behavior and learning  For example, a test consisting of multiple choice items will lack construct validity ... test with the results of some criterion measure such as:   An existing test, known to be valid and given at the same time The teacher’s ratings or any other such form of independent assessment...

Ngày tải lên: 27/06/2014, 09:20

... for basal and squamous cell cancers and melanoma No prospective randomized study has been performed to look for a mortality decrease Observational epidemiologic evidence from Scotland and Australia ... cancer diagnosed in American males This disease is prone to lead-time bias, length bias, and overdiagnosis, and substantial debate rages among experts as to whether it is effective Some experts ... who had normal DRE and PSA levels after years were found to have prostate cancer on biopsy despite the normal screening tests Thus, screening missed more disease than it found and >27% of normal-risk...

Ngày tải lên: 07/07/2014, 01:20

... payable, accounts payable, unearned revenues, and accrued liabilities such as taxes, salaries and wages, and interest 10-5 LO Explain a current liability and identify the major types of current liabilities ... Statement Analysis Analysis and and Presentation Presentation Balance Sheet Presentation Illustration 10-15 10-48 LO Financial Financial Statement Statement Analysis Analysis and and Presentation Presentation ... Payroll and Payroll Taxes Payable The term “payroll” pertains to both: Salaries - managerial, administrative, and sales personnel (monthly or yearly rate) Wages - store clerks, factory employees, and...

Ngày tải lên: 24/11/2016, 14:36

... payable, accounts payable, unearned revenues, and accrued liabilities such as taxes, salaries and wages, and interest 10-5 LO Explain a current liability and identify the major types of current liabilities ... Statement Analysis Analysis and and Presentation Presentation Balance Sheet Presentation Illustration 10-15 10-48 LO Financial Financial Statement Statement Analysis Analysis and and Presentation Presentation ... Payroll and Payroll Taxes Payable The term “payroll” pertains to both: Salaries - managerial, administrative, and sales personnel (monthly or yearly rate) Wages - store clerks, factory employees, and...

Ngày tải lên: 01/12/2016, 14:34

... processes Prevention concerns the identification and manipulation of the genetic, biologic, and environmental factors in the causal pathway of cancer Education and Healthful Habits Public education on ... diet and exercise), use of proven cancer screening methods, and sun avoidance Smoking Cessation Tobacco smoking is the most modifiable risk factor for cardiovascular disease, pulmonary disease, and ... includes counseling, behavioral strategies, and pharmacologic adjuncts, such as nicotine replacement (gum, patches, sprays, lozenges, and inhalers) and bupropion Cigar smoking has increased in...

Ngày tải lên: 07/07/2014, 01:20

... transit times High-fiber diets could lower the risk of breast and prostate cancer by absorbing and inactivating dietary estrogenic and androgenic cancer promoters However, two large prospective ... randomly assigned to a standard diet (40% fat) or a low-fat diet (26% fat) At years, breast cancer had recurred in 9.8% of women in the low-fat diet group compared to 12.4% of women on the standard ... >100,000 health professionals showed no association between fruit and vegetable intake and risk of cancer The Polyp Prevention Trial randomly assigned 2000 elderly persons, who had polyps removed,...

Ngày tải lên: 07/07/2014, 01:20

... Promoters include hormones such as androgens, linked to prostate cancer, and estrogen, linked to breast and endometrial cancer The distinction between an initiator and promoter is sometimes arbitrary; ... Nitrogen mustard gas Cancer of the lung, head and neck, nasal sinuses Nickel dust Cancer of the lung, nasal sinuses Phenacetin Cancer of the renal pelvis and bladder Polycyclic hydrocarbons Cancer ... and melanoma) Tobacco (including smokeless) Cancer of the upper aerodigestive tract, bladder Vinyl chloride Liver cancer (angiosarcoma) a Agents that are thought to act as cancer initiators and/ or...

Ngày tải lên: 07/07/2014, 01:20

... (CARET) involved 17,000 American smokers and workers with asbestos exposure Entrants were randomly assigned to one of four arms and received β-carotene, retinol, and/ or placebo in a x factorial design ... Participants received α-tocopherol, β-carotene, and/ or placebo in a randomized, x factorial design After median follow-up of 6.1 years, lung cancer incidence and mortality were statistically significantly ... to women taking placebo Of >16,600 women randomized and followed for a median of 5.6 years, 43 invasive colorectal cancers occurred in the hormone group and 72 in the placebo group The positive...

Ngày tải lên: 07/07/2014, 01:20

... papilloma virus (HPV) strains are linked to cervical and head and neck cancer, and Helicobacter pylori is associated with gastric cancer and lymphoma Vaccines to protect against these agents ... cases on placebo) A prospective randomized trial to assess these drugs is ongoing Vaccines and Cancer Prevention A number of infectious agents cause cancer Hepatitis B and C are linked to liver cancer, ... being tested as a prostate cancer preventive based on laboratory studies, epidemiologic data, and a small randomized skin cancer prevention trial that showed a significantly decreased number of prostate...

Ngày tải lên: 07/07/2014, 01:20

... made following a workup that includes a biopsy and pathologic confirmation A number of genes have been identified that predispose for a disease, and many more will be identified in the near future ... intervention to prevent a cancer or limit its severity People at high risk may be ideal candidates for chemoprevention and screening; however, efficacy of these interventions in the high-risk population ... persons, it should offer substantial likelihood of benefit that outweighs harm Screening tests and their appropriate use should be carefully evaluated before their use is widely encouraged in...

Ngày tải lên: 07/07/2014, 01:20

... of screening and treatment on other disease outcomes (e.g., cardiovascular disease) In a randomized trial, two like populations are randomly established One is given the medical standard of care ... Good clinical trial design can offset some biases of screening and demonstrate the relative risks and benefits of a screening test A randomized, controlled screening trial with cause-specific mortality ... positive tests (both true and false positives), and harm from the treatment of persons with a true-positive result, even if life is extended by treatment The diagnosis and treatment of cancers...

Ngày tải lên: 07/07/2014, 01:20

... examination beginning of sexually active years after first women intercourse by age Yearly or 21 for standard Pap; every years with liquid test Pelvic examination No F: 18–40, recommendation, every 1–3 ... recommendation monthly Insufficient evidence as exclude F: 20–40, F: 50–69, every a every years; 1–2 years stand-alone >40, yearly without mammography Mammography F: 40–75, F: ≥40, every 1–2 years every year ... general population by U.S Preventive Services Task Force (USPSTF), the American Cancer Society (ACS), and the Canadian Task Force on Prevention Health Care (CTFPHC) These recommendations refer to asymptomatic...

Ngày tải lên: 07/07/2014, 01:20

... colonoscopy and 1/1000 for sigmoidoscopy Debate continues on whether colonoscopy is too expensive and invasive for widespread use as a screening tool in standard-risk populations DRE and barium ... screening for BRCA1 and BRCA2 mutations and other markers of breast cancer risk has identified a group of women at high risk for breast cancer Unfortunately when to begin and the optimal frequency ... flexible scope and two-thirds to threequarters are found with a 60-cm scope Diagnosis of adenomatous polyps by sigmoidoscopy should lead to evaluation of the entire colon with colonoscopy and/ or barium...

Ngày tải lên: 07/07/2014, 01:20

... IDS, 4230 IDS sensor and, 77 IDSM sensors and, 237, 240 IOS-IDS signatures and, 484 sensor status alarms and, 335–337 cidServer command, 95 cipher systems, physical security and, 18 Cisco 4200 ... and, 161 updates for, 474 verifying version of via idsvers command, 97 versions 3.0 and 3.1, 190–192 updating, 216–218 versions 4.0 and later, 192–197, 205 updating, 218–222 Cisco Intrusion Detection ... config command, 243, 264 CLI See command line interface Client Layer (AVVID architecture), Code Red worm, COM ports, initializing IDS sensors and, 79 Command and Control Network, 77 command line...

Ngày tải lên: 13/08/2014, 15:20

... Explanation: Intrusion detection systems typically implement obfuscation defense - ensuring that suspect packets cannot easily be disguised with UTF and/ or hex encoding and bypass the Intrusion Detection ... access or compromise systems on your network, such as Back Orifice, failed login attempts, and TCP hijacking Reference: Cisco Intrusion Detection System - Cisco Secure Intrusion Detection System ... Configuring SPAN and RSPAN Q.77 Enter the Cisco IDB 4210 Sensor command used to initialize the Sensor Answer: sysconfig-sensor Reference: Cisco Intrusion Detection System -Cisco Secure Intrusion Detection...

Ngày tải lên: 17/01/2014, 14:20

... such as Network-based intrusion detection systems (NIDS) and hostbased intrusion detection systems (HIDS) We’ll examine each of these and other types throughout this chapter and describe in detail ... and VLAN-capable switch www.syngress.com 267_cssp_ids_01.qxd 9/25/03 4:39 PM Page Chapter • Introduction to Intrusion Detection Systems devices, virus scanning systems, intrusion detection, and ... 1: Introduction to Intrusion Detection Systems This chapter explains intrusion detection as well as Cisco’s spin on the process We cover basic threats and types of attacks and provide an overview...

Ngày tải lên: 25/03/2014, 11:09

... 1999 DARPA intrusion detection dataset and from a real WiFi ISP network to show its ability to detect both attack types and attack instances In the paper “Multilayer statistical intrusion detection ... “Network anomaly detection based on wavelet analysis,” coauthored by Wei Lu and Ali Ghorbani, the authors propose a new network anomaly detection model based on wavelet approximation and system identification ... levels, including wireless signal strength transition detection (MAC address spoofing) and the traffic rate process anomaly detection (network intrusion) which are the key components of the multilayer...

Ngày tải lên: 21/06/2014, 22:20