bypassing firewalls and avoiding detection

... Domains Carroll and Landwehr [9] argue that the key characteristic of secure systems is their ability to maintain domains for storage and processing A domain is a set of information, and authorisations ... points Protocols like SMTP and HTTP generally satisfy this requirement Others, like ICMP-ECHO (the “ping” protocol), are also allowed by most configurations 2.1 Bypassing Firewalls A protocol tunnel ... [5] The architecture described in section builds on work by Landwehr et al at Naval Research Laboratories [9], and by Dalton, Clark, and others, at HP Laboratories [1, 2, 3, 13] Protocol Tunnelling...

Ngày tải lên: 13/05/2014, 22:40

... login prompt and stored up the username and password It then turned around and used a modified version of telnet to connect to well.sf.ca.us and passed packets back and forth between it and Frank’s ... Gina 1-27-96 CH06 LP#3 IP Spoofing and Sniffing Do not confuse the rexec commands (rexec and rcmd) with the r-commands The rexec daemon waits for a username and cleartext password to authenticate ... need to understand the network segments and trust between computer systems Network Segmentation A network segment consists of a set of machines that share low-level devices and wiring and see the...

Ngày tải lên: 20/12/2013, 22:15

... analysis and advanced correlation and reporting on the data, helping to identify and eliminate threats and security incidents while ensuring compliance with federal and industry rules and regulations ... regulations (such as Sarbanes-Oxley and the Health Insurance Portability and Accountability Act) The number of events and the amount of data that Security Manager can handle far exceed the capabilities ... but on a wide range of host systems and applications This information can be consolidated and reported on, ensuring compliance with federal and industry rules and regulations Syslog Security Deficiencies...

Ngày tải lên: 21/01/2014, 02:20

... wrong VLAN, and thus the wrong DMZ segment (which may create an inadvertent security risk) Although you can mitigate this by paying careful attention to detail and having well-documented and well-followed ... (VACLs) to provide a means of filtering traffic at Layer 2, and thus within the VLAN, to further protect resources Virtual Firewalls Virtual firewalls build upon the practice of using VLANs After ... interface Virtual firewalls are most commonly implemented by separating a single firewall into multiple logical firewalls, sometimes referred to as security contexts Virtual firewalls are also...

Ngày tải lên: 21/01/2014, 02:20

... Wang et al.r Sensors and Actuators B 66 (2000) 74–76 Conclusions The sensing materials of WO loaded with wt.% metal oxides were prepared and applied for NH and NO detection, and several composition ... 30-ppm NH and S s 4.00 for 40-ppm NO; WO q wt.% Mg, Zn, Mo and Re: S s 7.65, 5.06, 10.1, 9.46, respectively, for 30 ppm NH , and S s 5.87, 8.33, 5.00, 6.25, respectively, for 40 ppm NO., and fast ... fast response to NH and NO compared with pure WO The materials of WO loaded with wt.% Cr, La, Pr, Sm, Gd, Er, Tm and Yb showed good responses to NH , and hardly responded to NO, and the materials...

Ngày tải lên: 20/03/2014, 13:08

... health habits and behaviors, and lifestyle Evaluation of surgical experience, hospitalizations, current medications, dietary patterns, and smoking and alcohol consumption are key to understanding the ... as the oral and head and neck examination and treatment plan evolve In conducting the initial patient interview, the dentist should assess health-related risk factors such as prior and current ... carcinogen and may be produced both systemically and by the oral microflora.10-12 Diet Recently, attention has been directed toward diet and its influence on the development of precancer and cancer...

Ngày tải lên: 22/03/2014, 17:20

... (Bikel et al, 1997), but with multiple hypotheses as output and a larger number of states (12) to handle name prefixes and suffixes, and transliterated foreign names separately It operates on ... example, to use event detection to improve name tagging; to incorporate subtype tagging results to improve name tagging; and to combine name tagging, reference resolution and relation detection to improve ... rules to correct some omissions and systematic errors using name lists (for example, a list of all Chinese last names; lists of organization and location suffixes) and particular contextual patterns...

Ngày tải lên: 23/03/2014, 19:20

... J W and P N Bartlett 1996 Performance definition and standardization of electronic noses Sensors and Actuators B 33: 60-67 Gardner, J W and P N Bartlett 1999 Electronic Noses Principles and Applications ... Meteorology, Topography, and Dispersion In Odor and VOC Control Handbook, ed Rafson, H J., Ch.5, 5.1-5.10 McGraw Hill, New York Van de Leur, R H M and A van der Waal 1999 Gas and vapour detection using ... of Education and Research (BMBF) and the German Academic Exchange Service (DAAD) for the funding support A.Yuwono and P Schulze Lammers “Odor Pollution in the Environment and the Detection Instrumentation”...

Ngày tải lên: 29/03/2014, 14:20

... alerted and appropriate action can be taken Such a query might look like: (1) SELECT a.atemp FROM schedule_table AS t, sensors AS a WHERE a.ts > t.tsmin AND a.ts < t.tsmax AND a.atemp > t.tempmin AND ... of REED and Borealis and show an example illustrating how Borealis can push join operators into the sensornet Before describing the details of our approach, we briefly review the syntax and semantics ... processor, a 38.6Kbps radio with ~100 foot range, 4KB of RAM and 512KB flash, runs on AA batteries and uses ~15 mA in active power consumption and ~10 µA when asleep Storage: The limited quantities...

Ngày tải lên: 30/03/2014, 16:20

... Felice and Pulman, 2008; De Felice and Pulman, 2009; De Felice, 2009) uses a parser, the C&C parser (Clark and Curran, 2007)), to determine the head and complement of the preposition De Felice and ... local-groups, and left-2-POS-sequence = JJ-NNS Combination T&C08 expand on the lexical feature set by combining the PV, PN and FN features, resulting in features such as PN-FN and PV-PN-FN POS and token ... arguments and adjuncts is useful for generating the correct preposition Baseline System The work of Chodorow et al (2007) and T&C08 treat the tasks of preposition selection and error detection...

Ngày tải lên: 30/03/2014, 21:20

... not generating) Results and Evaluation 5.3 Updated Grammar Statistics We can look at two sets of results: how well Egad was able to analyze a grammar and detect errors, and how well a grammar ... the grammar’s coverage and characteristics Table shows the original and updated general statistics for Jacy We increased generability by 18%, doubled reproducibility, and increased paraphrasability ... Pollard, and Ivan A Sag 2005 Minimal Recursion Semantics An introduction Research on Language and Computation, 3(4):281– 332 Future Work In future iterations of Egad, we would like to expand our...

Ngày tải lên: 31/03/2014, 00:20

... consideration mainly includes randomly missing measurements (RMMs), randomly occurring communication delays, sensor and actuator saturations (SASs), randomly occurring quantization and randomly varying nonlinearities ... www.it-ebooks.info 10 Filtering, Control and Fault Detection with Randomly Occurring Incomplete Information subject to randomly occurring quantization errors (ROQEs) and randomly occurring packet dropouts ... randomly occurring multiple time-varying communication delay ROPD randomly occurring packet dropout ROQE randomly occurring quantization error ROSS randomly occurring sensor saturation RVN randomly...

Ngày tải lên: 24/04/2014, 15:12

... Outline I Device specifics and enzyme function II Biocompatability and system integration III Detection of analyte and possible drug delivery systems What makes a good ... glucose sensor • One sensor is covered in lactate oxidase enzyme and one is not Lactate oxidase converts lactate and oxygen to pyruvate and H2O2 • Enzymatic oxidation of glucose creates H2O2, which ... http://www.sciencemag.org/cgi/content/full/297/5583/962 http://www.ncsr.ie.com Challenges regarding enzymes as a detection mechanism • LOC durability and shelf life • Enzyme selectivity and alternate substrates • Need to replace power source may...

Ngày tải lên: 13/05/2014, 14:00

... dissemination, and analysis " Data is everywhere, and with it are the clues to anticipate, prevent, and solve crimes; enhance security; and discover, detect, and deter unlawful and dangerous entities ... databases and the recognition of important trends and behavioral patterns Increasingly, crime and terror in our world will be digital in nature In fact, one of the largest criminal monitoring and detection ... analysis and action Some agents use sensors that can read identity badges and detect the arrival and departure of users to a network, based on the observed user actions and the duration and frequency...

Ngày tải lên: 04/06/2014, 13:16

... ignorance and eschewing offence to our neighbours Eating, drinking, clothing, sheltering, copulating, teaching, and talking instance acts seeking good and avoiding evil Yet, as we pursue good and avoid ... reparations 165 5.2 DER and allowing 166 5.3 DER and the wrongful acts of other agents 177 5.4 Double effect, non-combatant casualties, and the laws of war 180 5.5 Double effect and public policy concerning ... Hungary Italy Japan Poland Portugal Singapore South Korea Switzerland Thailand Turkey Ukraine Vietnam Oxford is a registered trade mark of Oxford University Press in the UK and in certain other...

Ngày tải lên: 10/06/2014, 21:38

... indicated by triangles and ranged from 0% to 8% Yellow and magenta bars indicate tissue specific effect and globin artifact, respectively Data are on a log2 scale globin content and showed greater ... calculated and plotted against each other for 1% brain/liver and 8% globin in Jurkat RNA versus 100% brain/liver RNA with 90% power, assuming samples per group PNA and no treatment power are 18% and ... hybridization between the probe and the target) Standard amplification techniques rely on the RT/IVT method developed by Eberwine and Van Gelder [32] This method amplifies mRNA and incorporates the necessary...

Ngày tải lên: 18/06/2014, 16:20

... fairer and handles 77% of the users equally However, MUDMAC with both, two and four branches, shows the best fairness trends and can achieve a fair behavior for more than 89% (two branches) and ... 11times increase of bandwidth In the 802.11b protocol, the same spreading gain of 11 is applied against out-ofband interferers However, PBOA assumes only a single band transmission and is thus naturally ... Wireless Communications and Networking 2011, 2011:9 http://jwcn.eurasipjournals.com/content/2011/1/9 B Delay and fairness in the random topology After we compared the two CLDs and 802.11 in terms...

Ngày tải lên: 21/06/2014, 03:20

... Exploitation: Theory and Applications, John Wiley & Sons, New York, NY, USA, 2007 [11] C.-I Chang and H Ren, “An experiment-based quantitative and comparative analysis of target detection and image 18 ... paper, we develop and compare several new computationally efficient parallel versions (for clusters and GPUs) of two highly representative algorithms for target (ATDCA) and anomaly detection (RX) ... parallel versions are quantitatively and comparatively analyzed (in terms of target detection accuracy and parallel performance) in the framework of a real defense and security application, focused...

Ngày tải lên: 21/06/2014, 18:20

... walking event, and 0.95 for the running event, since there is 95% probability for a value to be comprised between μ − 2σ and μ + 2σ where μ and σ are, respectively, the mean and the standard deviation ... matrices obtained using random forest classifier: (a) running and walking events, and (b) splitting, merging, evacuation, and local dispersion events EURASIP Journal on Image and Video Processing ... Basharat, A Gritai, and M Shah, “Learning object motion patterns for anomaly detection and improved object detection, ” in Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition...

Ngày tải lên: 21/06/2014, 20:20

... can be rewritten as u(i, k) Q Subband Subband ··· Whole frequency band of OFDMA Information sequence in subband ST spreading the whole frequency band with training power E p Figure 2: Superimposed ... and we conclude the paper with Section Notation The letter t represents the time-domain variable, and k is the frequency-domain variable Bold letters denote the matrices and column-vectors, and ... Province and Ministry of Education of China, Grant 2007A090302116, and also supported in part by joint foundation of NSFC and Guangdong Province U0635003 References [1] IEEE LAN/MAN Standards...

Ngày tải lên: 21/06/2014, 23:20