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.
The SSH-2 protocol supports the following user authentications: * Public key authentication (DSA, RSA*, OpenPGP) * Host-based authentication * Password-based authentication Note: SSH-1 supports a wider range of user authentications,
There are two to tango, and the same is true for an effective online security strategy. What does it mean? One the one side, the company offering a service needs
In the pre-attack phase, there are seven steps, which have been defined by the EC-Council, as follows: 1. Information gathering 2. Determining network range 3. Identifying active machines 4. Finding