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Tcl 8.5 Network Programming

You're reading from   Tcl 8.5 Network Programming Learn Tcl and you‚Äôll never look back when it comes to developing network-aware applications. This book is the perfect way in, taking you from the basics to more advanced topics in easy, logical steps.

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Product type Paperback
Published in Jul 2010
Publisher Packt
ISBN-13 9781849510967
Length 588 pages
Edition 1st Edition
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Toc

Table of Contents (18) Chapters Close

Tcl 8.5 Network Programming
Credits
About the Authors
About the Reviewers
1. Preface
1. Introducing Tcl FREE CHAPTER 2. Advanced Tcl Features 3. Tcl Standalone Binaries 4. Troubleshooting Tcl applications 5. Data Storage 6. Networking in Tcl 7. Using Common Internet Services 8. Using Additional Internet Services 9. Learning SNMP 10. Web Programming in Tcl 11. TclHttpd in Client-Server Applications 12. SOAP and XML-RPC 13. SSL and Security

Securing your application


Very often we will want our application to run Tcl code provided from a trusted or untrusted source. In these cases, it makes sense to run such scripts in environments with limited access to operating system and / or limited resources. In some cases, we can use this to provide an additional security layer. In other cases, it can be used as additional layer for securing ourselves against badly written code.

Typical examples of such cases include running code retrieved over the network. Our application may choose to limit access to an operating system for code written by sources we do not fully trust. An example is a data processing system using multiple computers; commands received from science units might be run in different environment than commands received from system administrators.

Slave interpreters, functionality offers creating a Tcl sandbox for running commands, which we might not want to have full access to our main application's code and / or provide additional...

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