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In this third part of a four-part series on securing sendmail, you will learn about the aliases file, and we will turn our attention from security problems to security features. This article is excerpted from chapter four of sendmail, fourth edition, written by Bryan Costales, Claus Assmann, George Jansen and Gregory Shapiro (O'Reilly, 2007; ISBN: 0596510292). Copyright © 2007 O'Reilly Media, Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O'Reilly Media.
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Handling sendmail Permissions
In this second part of a four-part series focusing on sendmail security, you will learn how attackers use permissions to gain root privilege, and how to keep them from doing so. It is excerpted from chapter four of sendmail, fourth edition, written by Bryan Costales, Claus Assmann, George Jansen and Gregory Shapiro (O'Reilly, 2007; ISBN: 0596510292). Copyright © 2007 O'Reilly Media, Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O'Reilly Media.
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Maintain Security with sendmail
The most poular email routing program is sendmail. This article, the first in a series, will show you how to keep your sendmail program secure. It is excerpted from chapter four of sendmail, fourth edition, written by Bryan Costales, Claus Assmann, George Jansen and Gregory Shapiro (O'Reilly, 2007; ISBN: 0596510292). Copyright © 2007 O'Reilly Media, Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O'Reilly Media.
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Creating RSS 2.0 Feeds
In this conclusion to a three-part series on the RSS 2.0 specification, you'll learn how to create an RSS feed in several different ways. This article is excerpted from chapter four of the book Developing Feeds with RSS and Atom, written by Ben Hammersley (O'Reilly; ISBN: 0596008813). Copyright © 2007 O'Reilly Media, Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O'Reilly Media.
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Using Modules in Your RSS Feed
In this second part of a three-part series, you will learn how to extend your RSS feed's range of expression by using modules. This article is excerpted from chapter four of the book Developing Feeds with RSS and Atom, written by Ben Hammersley (O'Reilly; ISBN: 0596008813). Copyright © 2007 O'Reilly Media, Inc. All rights reserved. Used with permission from the publisher. Available from booksellers or direct from O'Reilly Media.
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