Security in Tcl Scripts for Cisco IOS

Contents

  1. Introduction to PKI Infrastructure
  2. Using Digital Signatures to Sign a Tcl Script
  3. Tcl Script-Failure Scenario
  4. Scaling Tcl Script Distribution
  5. Summary
  6. References

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

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.