Zend certified PHP/Magento developer

Allow certain OUTBOUND connection

I try to connect to a remote host over ssh (139.162.206.137) but iptables block the connection.
This is my actual iptables configuration

[root@SRV1 ~]# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
DROP       all  --  anywhere             anywhere             match-set IPs_countries src
DROP       all  --  anywhere             anywhere             match-set IPs_blacklist src
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ssh
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:http
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:https
ACCEPT     tcp  --  81.51.151.22.dyn.user.ono.com  anywhere             tcp dpt:6556
ACCEPT     tcp  --  81.51.151.22.dyn.user.ono.com  anywhere             tcp dpt:12800
ACCEPT     tcp  --  81.51.151.22.dyn.user.ono.com  anywhere             tcp dpt:12801
ACCEPT     icmp --  81.51.151.22.dyn.user.ono.com  anywhere             icmp echo-request
ACCEPT     all  --  anywhere             anywhere            
ACCEPT     all  --  anywhere             anywhere             state RELATED,ESTABLISHED
DROP       all  --  anywhere             anywhere            

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         
REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination         

There aren’t any block policy
If I stop iptables service I can connect correctly. What exactly happend with my outbound connection?

Thanks in advance