linux as a gateway firewall

... Bạn có thể tìm kiếm danh sách các packages đã được cài đặt (Installed packages) cũng như danh sách các packages có thể dùng được cho bạn download (Available packages) ở tab Search. TRUNG TÂM ... Bạn có thể liệt kê danh sách các packages đã được cài đặt (Installed packages) cũng như danh sách các packages có thể dùng được cho bạn download (Available packages) ở tab List. ... ngh a c a từng options. - Tạo người dùng tên usera: - Kiểm tra usera trong /etc/passwd : - Kiểm tra usera trong /etc/shadow: usera đang bị tạm khoá. Do ch a được tạo passwd....

Ngày tải lên: 13/09/2012, 10:21

Ngày tải lên: 18/10/2013, 17:15

Ngày tải lên: 21/01/2014, 18:20

... implementations attach to each message a time stamp that must be valid to within a few minutes or the message is assumed to be an attempt at a replay attack. Kerberos also allows authentication to take ... pervasively. It also means that as existing algorithms are weakened by greater computing power or found to be flawed, they can be replaced easily and completely. CryptoAPl was actually released ... Internet based authentication.− Consider the following scenario: the commonly available NetBIOS Auditing Tool can perform automated password attacks against a Windows NT server at a rate of one password...

Ngày tải lên: 29/09/2013, 13:20

Ngày tải lên: 27/02/2014, 05:20

... Software RAID on Linux is a snap, thanks to the mdadm tool that comes with most modern Linux distributions. Software RAID, particularly RAID1, is an inexpensive way to create instant backups and ... command: # mdadm detail /dev/md0 This will print out a variety of information about the device, including when it was created, its size, and the time it was last updated. If you want to change ... /dev/hdc1 There are two ways to obtain information about the RAID array. You can query the device with mdadm, which provides detailed information on a particular device, or you can get an overview...

Ngày tải lên: 18/09/2012, 14:04

Ngày tải lên: 04/10/2012, 10:24

... 1990 as a continuous variable showed a clear trend of increase in disability pension risk with increase in absence days/yr. A 10-day increase in ab- sence days per annum (scale score ranging ... physical work environment variables. The Cochran-Armitage trend test was performed in order to test if a gradual increase in sickness absence was associated with in- crease in risk of disability ... occupational grades may introduce another source of bias. In relation to our study the basic retrospective measure of frequency was used ’How many workdays in total have you been sickness absent...

Ngày tải lên: 26/10/2012, 10:03

... mammalian hosts. These animals, usually pigs, act as a transformer or converters; creating a strain that can more readily infect humans. Pigs can be infected with both avian and human influenza A ... infects mammalian hosts. These animals, usually pigs, act as a transformer or converters; creating a strain that can more readily infect humans. Therefore swine can be infected with both avian and ... isolation and culling of infected fowls as demonstrated by the government of China, Vietnam, and Thailand. As human populations continue to increase and interactions between animals and humans become...

Ngày tải lên: 02/11/2012, 11:12

... any other parts Admiration. There was something like admiration in him as he moved his torch up and down that naked body. Admiration and even something like awe. Was he awed because she was ... station. After having talked and talked and talked, and when I finally managed to dismiss her with fake half-promises and sat back into my car at last (we hadn’t even fucked, so I really don’t ... the agreeable sensation of getting my penis massaged! But somehow I knew it wasn’t so. A more ominous explanation came to my mind. Maybe everything was real, and it was taken for granted that...

Ngày tải lên: 07/11/2012, 09:08

... he also makes a distinction between task-based teaching and task- supported teaching. The task-based teaching occurs when the teaching is based exclusively on meaning-focus tasks, and the task-supported ... the oral-situational approach is based on a behaviorist learning theory, that is, it assumes that language learning is habit formation and over learning. Grammatical structures are carefully ... The classroom English language teaching has a fixed place and adequate time and relatively stable attendance of students. These factors facilitate teachers’ organizing interactive learning activities...

Ngày tải lên: 07/11/2012, 14:44

... flavor, and stronger in after-taste than the sample with a regular aroma concentration. The heightened aroma concentration caused a slight off-flavor described as ‘artificial’. The manufacturer packaged ... between age groups. Hedonic ratings In the pleasantness ratings, the aroma concentration had a similar effect on both age groups in the first tasting session: the heightened aroma sample was rated as ... the regular aroma samples first and half ate the heightened aroma samples first. The subjects were asked to rate one sample a day at any time of the day they wanted. Similarly to the tasting sessions, the...

Ngày tải lên: 03/04/2013, 21:06

... euent was detected with a UV detector at 232 nm. e main pharmacokinetic parameters were calculated by DAS 1.0 (Anhui, China) program. Bioavailability (BA) is a measurement of the rate and extent ... (Sonaje et al., 2009): BA (AUC )Dose (AUC )Dose 100 R AB BA = × × ×% () () where AUC is the area under the curve. Statistical analysis All data are presented as a mean value with its stand- ard ... drug. Methods Materials Pullulan (Mw = 200,000) was purchased from Hayashibara (Tokyo, Japan). Epirubicin·HCl (EPI·HCl) was purchased from Hisun Pharmaceutical Co. (Zhejiang, China). Poly (vinyl alcohol) (PVA) with an...

Ngày tải lên: 23/04/2013, 21:38

... greywater within the home are minimal as pathogens are usually killed after being placed in the soil. Pathogens are not spread to others as atmospheric spraying is not permitted as it generates ... good alternative source for irrigation and also landscaping. Mature Cotton plants Photo: Texas A& amp;M University The Water Environment Research Foundation, USA carried out a study ... subsurface irrigation is recommended to reduce pathogenically contamination.(WERF;11/2007)). Young Tomato Plants Photo: Texas A & M University Grey Water Reuse As A Sustainable Alternative...

Ngày tải lên: 25/04/2013, 08:20

... four articles.” showing her sharp thorns. Then coming the day she graduated from school and began mature. I was present in her class on the last day. Their fare-well party was hold in a romantic ... my mistake was a beam of fire. But she wasn’t only a firecracker but also a string of them, and that was very terrible! I remembered the day she put my name in the live broadcast program of hers. ... uncomfortable. I had missed her since that day. And she was getting friendlier with me. Once I overheard her friends be jealous of her because of me. Oh that was true, ‘cause I was a handsome teacher...

Ngày tải lên: 18/08/2013, 19:10

Ngày tải lên: 05/09/2013, 09:38

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 05/09/2013, 14:58

Ngày tải lên: 05/09/2013, 15:28

... motivation as one of a number of variables in an intricate model of interrelated individual and situational factors which are unique to each language learner. Motivation in the Japanese Context The ... motivation. For this reason he constructed a third group labelled as "personal". This category included motivational reasons such as, "pleasure at being able to read English, and ... appear to place greater emphasis on developing competency in all areas of the language. Some of these same teachers also work hard to incorporate greater use of oral English within the classroom....

Ngày tải lên: 06/09/2013, 10:10