Encrypt some services with ipsec

Hi all,

  I have two prodction servers with FreeBSD 5.4 (all security patches 
are applied). They running some services like dns, ssh, http, ftp, etc. 
But I woukd like to encrypt some services for some hosts with ipsec when 
it is accessed. For example:

  - DNS resolution: not encrypted.
  - DNS replication master-slave: encrypted by ipsec.
  - Telnet: encrypted by ipsec for some hosts. Deny for the rest.
  - SSH: not encrypted for some hosts, encryted by ipsec for the rest.
  - FTP: encrypted by ipsec.
  - HTTP: encrypted by ipsec.

  is it possible to encrypt only certains services under ipsec tunnel??

Thank you for your help.

-- 
CL Martinez
carlopmart {at} gmail {d0t} com
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