Hi,
my proxy always serves content from default backend.
This is my cfg:
frontend oracle_front
bind *:1521
option tcplog
mode tcp
#ACL
acl host1 hdr(host) -i oracle1.mysite.it
#Backend
use_backend host1_1521 if host1
default_backend dboracle_back
backend host1_1521
mode tcp
balance source
server oracle1 192.168.1.115:1521 check
backend dboracle_back
mode tcp
balance source
server oracle1 192.168.1.113:1521 check