security
SACK panic
The TCP Selective Acknowledgments (SACK) panic is a vulnerability found by Netflix in current Linux kernels. It is advised to install an updated kernel, apply a patch or disable SACK alltogether.
security
Qualys Community Edition in a small business environment
Qualys Community Edition is free, just like OpenVAS, which makes them interesting network vulnerability scanning tools for small business environments. At Diades we tried them both.