Download Python Network Programming Cookbook by M. O. Faruque Sarker PDF
By M. O. Faruque Sarker
What you'll examine from this book
Develop TCP/IP networking client/server applications
Administer neighborhood machines' IPv4/IPv6 community interfaces
Write multi-purpose effective internet consumers for HTTP and HTTPS protocols
Create electronic mail consumers to paintings with universal electronic mail protocols reminiscent of SMTP, POP3, IMAP, and so on.
Scrape web pages and look for valuable information
Perform distant process management projects over Telnet and SSH connections
Interact with renowned web pages through internet providers similar to XML-RPC, cleaning soap, and relaxation APIs
Monitor and learn significant universal community safeguard vulnerabilities
In Detail
Python is a superb language to take advantage of to write down code and feature enjoyable by means of prototyping functions fast. The presence of plenty of third-party libraries, sometimes called batteries, makes it much more more straightforward and swifter to prototype an program or to enforce a brand new set of rules. when you are attracted to growing the development blocks for plenty of sensible internet and networking functions that depend on networking protocols then this booklet is a must-have.
This ebook highlights significant features of community programming in Python ranging from writing basic networking consumers, to constructing complicated screen-scraping and community safety tracking scripts. It creates the development blocks for plenty of useful internet and networking functions that depend upon a variety of networking protocols. This publication offers the ability and wonder of Python in fixing the various real-world initiatives within the quarter of community programming, method and community management, community tracking, and web-application development.
This e-book develops your skill to resolve a variety of community programming initiatives in Python. we'll commence via exploring the Python regular library features to create client/server community and manage your neighborhood networking assets on hand below either IPv4 and IPv6. the sensible concentration maintains with developing internet and e-mail consumers, scraping web content, fetching details from a number of web pages, and looking out for info on the net resembling Amazon, Flickr, and different websites. It extra develops your talents to investigate your community protection vulnerabilities utilizing complicated community packet catch and research techniques.
An easy-to-follow consultant choked with hands-on examples on real-world networking projects. It covers the complex themes of community programming in Python utilizing a suite of chosen recipes.
For: while you are a community programmer, system/network administrator, or an internet program developer, this publication is perfect for you. you will have a simple familiarity with the Python programming language and TCP/IP networking thoughts. even if while you are a beginner, you'll enhance an knowing of the recommendations as you move with this publication. This e-book will function a supplementary fabric for constructing hands-on talents in any educational direction on community programming.
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Extra resources for Python Network Programming Cookbook
Sample text
A is an allowable hardening action. We use A to denote the set of all possible hardening actions. stop_ftp(2) block_host(0) stop_sshd(1) ftp(0,1) ftp_rhosts(0,1) ftp(1,2) trust(1,0) sshd(0,1) ftp(0,2) ftp_rhosts(1,2) rsh(0,1) sshd_bof(0,1) ftp_rhosts(0,2) trust(2,1) user(1) trust(2,0) rsh(1,2) rsh(0,2) user(2) local_bof(2) root(2) Fig. 3 Possible hardening actions (orange rectangles) for the attack graph of Fig. 3 depicts the same attack graph of Fig. 2, but it explicitly shows the allowable hardening actions, represented as rounded rectangles.
2 Therefore, when choosing a set of initial conditions to be removed in order to prevent attacks on given targets, we should take into account all the implications of removing those conditions. Removing specific initial conditions may require to take actions that disable additional conditions, including conditions not explicitly modeled in the attack graph, such as conditions that are not part of any attack path. To address this problem, we formalize the notion of hardening strategy in terms of allowable actions, and define a cost model that takes into account the impact of hardening actions.
6 shows an example of attack graph with two initial conditions. c1 _ c2 / ^ c1 ^ c2 /, and the DNF is L Á :c1 ^ :c2 _ :c1 _ :c2 . Clearly, among the three options :c1 ^ :c2 , :c1 , and :c2 , the first incurs no less cost than the second or the third and hence should be removed from consideration. The above example also shows that theoretically the DNF of L may have an exponential size in the number of initial conditions (after the above reduction, this number of options will be bound by the number of incomparable subsets of n n by Sperner’s initial conditions, which is known as the binomial coefficient bn=2c Theorem).