The countermeasures to a buffer overflow are as follows:
* Perform manual auditing of the code.
* Stack execution should be disabled.
* Take the support of the functions which are not the cause of the buffer overflow.
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* Take compiler support. For example, Java automatically checks if an array index is within the proper bounds. Use compilers such as Java instead of C to avoid buffer overflow attacks. Use tools such as StackGuard and Immunix System to avoid buffer overflows.
More advanced firewalls can be time-consuming to install, but they are not difficult to use. Take the time to fortify your defenses. It is really worthwhile.Install a Two-way Software Firewall
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