By Magnus Mischel

Overview from slashdot.org:

The hide reads “Prevent internet program hacking with this easy-to-use guide” and sticks with this declare to supply you with an outstanding pathway to safe your webserver. The booklet is geared toward process directors starting from fanatics operating a webserver at domestic on your pleasant directors at a wide corporation. many of the ebook calls for simply familiarity with utilizing the linux shell and simple Apache configurations, yet past encounters with a few technicalities like commonplace expressions might be of aid in the course of your reading.

Throughout the chapters the writer takes you from the several equipment of putting in ModSecurity and the fundamentals of making your first ideas to the invention and reporting of your attainable intrusions. commonly delivering options for instance geolocating the starting place of the hack, and immediately scanning uploaded documents for viruses, the authors history in net defense makes this e-book a precious asset for your bookshelf.

In the chapters came across later within the booklet, the writer exhibits tips on how to use instruments to fingerprint your server and offers you with recipes on the way to hinder those tools of collecting information regarding your server. there's additionally loads of information regarding the effect of ideas at the functionality of your server. as the influence is diversified in each state of affairs, you'll be guided round a few instruments to degree the functionality and you'll find out how to interpret this data.

Chapter five talks approximately digital Patching, a mode of stopping misuse via intercepting undesirable site visitors and making a algorithm for this. This bankruptcy is through a ways the simplest piece of knowledge i've got chanced on on how this really works, and the way you enforce such principles and configuration, and why you can use the tactic of digital patching on your state of affairs. essentially the writer takes out all of the query marks you may have approximately this technique of fast making use of principles and gives a case that is totally illustrated with loads of heritage information regarding the method of discovering a insecure piece of code to fixing this with a suite of rules.

When Packt Publishing contacted me if i want to check one other booklet for them, I picked this one out of the recent releases simply because utilizing ModSecurity hasn't ever been a concern for me. After seeing the identify and desk of contents i noticed that you should by no means commence too early to dive into this topic, and begin combating misuse prior to it reasons extra difficulty then you definitely can deal with, difficulty continuously unearths you on the worst occasions. the writer has divided the e-book in logical chapters, and the intensity of knowledge builds up both from commencing to finish. for example, the second one bankruptcy takes you thru the fundamentals of normal expressions, yet since you will come upon them in the course of rule production Appendix B will train you with all specifics of making these expressions.
As a developer working neighborhood try servers, i've got chanced on this ebook very attention-grabbing and an outstanding source on a for me gray region of server protection. i'm pleasantly stunned by way of the readability of the booklet, the writing kind makes you really need to dive into your webserver to use your newly won perception to ModSecurity.

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ModSecurity 2.5

Assessment from slashdot. org:

The hide reads “Prevent internet program hacking with this easy-to-use guide” and sticks with this declare to supply you with a superb pathway to safe your webserver. The publication is geared toward approach directors starting from lovers operating a webserver at domestic on your pleasant directors at a wide corporation. lots of the booklet calls for basically familiarity with utilizing the linux shell and uncomplicated Apache configurations, yet previous encounters with a few technicalities like normal expressions could be of aid in the course of your reading.

Throughout the chapters the writer takes you from the various tools of putting in ModSecurity and the fundamentals of constructing your first ideas to the invention and reporting of your attainable intrusions. typically supplying suggestions for instance geolocating the beginning of the hack, and immediately scanning uploaded records for viruses, the authors historical past in net safety makes this e-book a worthy asset in your bookshelf.

In the chapters stumbled on later within the ebook, the writer indicates the way to use instruments to fingerprint your server and offers you with recipes on how one can hinder those tools of amassing information regarding your server. there's additionally loads of information regarding the effect of principles at the functionality of your server. as the influence is diversified in each state of affairs, you can be guided round a few instruments to degree the functionality and you may the best way to interpret this data.

Chapter five talks approximately digital Patching, a mode of forestalling misuse through intercepting undesirable site visitors and making a algorithm for this. This bankruptcy is by way of a ways the easiest piece of data i've got came upon on how this truly works, and the way you enforce such ideas and configuration, and why you can use the tactic of digital patching on your state of affairs. primarily the writer takes out all of the query marks you have got approximately this system of quick using ideas and gives a case that's absolutely illustrated with loads of history information regarding the method of discovering a insecure piece of code to fixing this with a collection of rules.

When Packt Publishing contacted me if i want to check one other e-book for them, I picked this one out of the hot releases simply because utilizing ModSecurity hasn't ever been a concern for me. After seeing the identify and desk of contents i noticed so you might by no means begin too early to dive into this topic, and begin fighting misuse sooner than it explanations extra difficulty you then can deal with, difficulty consistently reveals you on the worst instances. the writer has divided the e-book in logical chapters, and the intensity of data builds up both from commencing to finish. for example, the second one bankruptcy takes you thru the fundamentals of normal expressions, yet since you will come across them in the course of rule production Appendix B will teach you with all specifics of constructing these expressions.
As a developer working neighborhood try out servers, i've got stumbled on this ebook very fascinating and a very good source on a for me gray region of server safeguard. i'm pleasantly shocked via the readability of the e-book, the writing type makes you really need to dive into your webserver to use your newly received perception to ModSecurity.

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Additional resources for ModSecurity 2.5

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Com This material is copyright and is licensed for the sole use by Alison Voyvodich on 4th December 2009 12593 80th Avenue N, , Seminole, , 33776 Writing Rules An introduction to regular expressions Regular expressions are an important part of writing ModSecurity rules. That is why this section contains a short introduction to them and why the book also has an appendix that describes them in more detail. Regular expressions are a very powerful tool when it comes to string matching. They are used to identify a string of interest, and are useful for many different tasks, such as searching through large text files for a given pattern, or, as used in ModSecurity, to define patterns which should trigger a rule match.

Com This material is copyright and is licensed for the sole use by Alison Voyvodich on 4th December 2009 12593 80th Avenue N, , Seminole, , 33776 Chapter 2 In this case there is no difference. If both the operator expression and action list don't contain any whitespace then they don't need to be enclosed in quotes. However, if the rule was modified to match the string secret place then we would need to enclose this string in quotes: SecRule REQUEST_URI "secret place" deny The essence of quotes as they apply to ModSecurity is that anything enclosed in quotes is considered as "one part", meaning that the "secret place" string is considered to be part of the operator expression of the rule.

We have already seen an example of these in the table above: ^, $, and "dot" don't match any one character but have other meaning within regular expressions (start of string, end of string and match any character in this case). The following table lists some additional metacharacters that are frequently used in regexes: Metacharacter Meaning * Match the preceding character or sequence 0 or more times. Match the preceding character or sequence 0 or 1 times. + Match the preceding character or sequence 1 or more times.

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