Many sites have implement ssh server to improve security. Its the method to secure NT access for administrators. Unfortunately you should be aware that in February 2001, Razor Bindview released their Remote vulnerability in SSH daemon crc32 compensation attack detector advisory, which outlined a gaping hole in deployed SSH servers that can lead to a remote attacker gaining privileged access. In November 2001, Dave Dittrich published a detailed analysis of the CRC32 compensation attack detector exploit. This exploit is currently widely in use. CERT released CERT Incident Note IN-2001-12. Check with your vendor and get the appropriate patches or that ssh, rather than enhancing security, will enhance hacking. Related tips: