444 - CprE 530 Lecture 21 Topics HTML Protocol HTML...

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CprE 530 Lecture 21 Topics HTML Protocol HTML Security Server side security • Client Side security
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HTML Hypertext Markup Language Two parts – Head: contains information for the browser – Body: contains information to display on the screen Contains markup codes which tell the browser how to display the page Each markup code is called an element or a tag Tags can be nested: <tag1> <tag2> </tag2> </tag1> HTML
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HTML Tags Basic HTML tags <HTML> - tells browser where page starts <HEAD> - start of head section <TITLE> - text to be displayed in title bar <BODY> - start of body section <H1> - largest header size <P> - paragraph <BR> - break (new line) <UL> - unordered list <LI> - list item <a href=“abc.com”>link</a> - hyperlink to abc.com <img src =“red.gif”> - display the image red.gif <APPLET> CODE=XXX </APPLET> - java applet HTML Example Here is a simple HTML page <HTML> <HEAD><TITLE>simple page</TITLE> </HEAD> <BODY> <H1>Simple Example</H1> <p> This is a simple but complete HTML page. <p> <a href=http://www.iastate.edu>Iowa State University</a> </BODY> </HTML>
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Header based HTML documents with hyperlinks where the text is different than the link Pictures can come from anywhere • Links to rouge code. Countermeasures:
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444 - CprE 530 Lecture 21 Topics HTML Protocol HTML...

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