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Security in Tcl Scripts for Cisco IOS

Sample Chapter is provided courtesy of Cisco Press.
Date: Aug 10, 2010.

Chapter Information

Chapter Description

This chapter provides an introduction to PKI infrastructure and goes on to cover the use of digital signatures to sign a Tcl script, a scenario for Tcl script-failure, and scaling Tcl script distribution.

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TcL Scripting for Cisco IOS

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Summary

Ensuring that Tcl scripts have not been modified is critical to maintaining the integrity of the network infrastructure. If a script is changed, the ramifications could be disastrous! Fortunately, digitally signing a Tcl script is not a difficult task and offers a mechanism from which you can be confident in the integrity of the script.

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