iptables nat rules for different dns-names [2]

Hi! Is it possible to filter with nat rules that I can access two servers on different IP's but with the same port and with apache + mod_backhand? This has nothing to do with the 1st post (both are different ideas). Or in a different setup: dns-names over dyndns Inet | dev-ext (pppoe over dsl) | FW | dev-int (LAN) | servera.local.net:80 (apache+mod_backhand) serverb.local.net:80 (apache+mod_backhand) Server a&b are identical, but sync data. Any ideas? Philippe