What should be shown in firewall?

I have several items that are allowed in the built in security firewall, but some of their names make them seem suspicious.
httpd, krb5kdc, named.

All the others are for applications I use.
*Do I need them and what are they used for?
I'm running a new macbook with OS 10.6. In the advanced firewall settings I only have the enable stealth mode checked.
2 answers Last reply
More about what shown firewall
  1. httpd = Web Server
    krb5kdc = Kerberos authentication
    named = DNS Server

    You probably want the second one; whether you want the first and last is up to you.

    Google would have solved this for you, and allow you to find out more about all these services.
  2. Thanks. :)
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