was as stupid and ignorant as you, we would have no world left. try looking at windows instead. how many security holes are there?? i will bet you that there will be over 500 new vulnerabilities found in vista/7/xp by the end of this year. you very rarely see any security concerns in linux. and you are also very stupid, because most servers will just do an update from the main package repository that the server is based on. and, as someone else mentioned, BIND and/or BIND 9 are NOT installed by default unless it says it is. stop trying to put down something that you clearly know absolutely NOTHING about! it is people like you that cause mac newbies to purge their drives. it is people like you that makes me want to kill something because you never seem to get the fact that visiting porn sites will give you viruses or that it is a bad idea not to have a firewall. or how about those that seem to think that you don't need antivirus and antispyware? people like you should never be tech proffessionals. go learn something, think about what you wrote, and then come back and correct your post.