iptables for samba server and client

[pavNell]

Need a little help with iptables setup for a host and client. Here's my basic setup...

Local Host 192.168.1.103 is running Samba Server. No other network services running.

Local Client 192.168.1.104 needs to access the samba shares from host 192.168.1.103.


Needed iptables configurations....

For the host 192.168.1.103, accept only samba connections. And in particular, only from 192.168.1.104.

For the client 192.168.1.104, accept samba connections only from the host 192.168.1.103.

Here's what I think I need...

For the host:
# Flush all tables
iptables -F
# Allow self access by loopback interface
iptables -A INPUT -i lo -p all -j ACCEPT
iptables -A OUTPUT -o lo -p all -j ACCEPT
# Accept established connections
iptables -A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --tcp-option ! 2 -j REJECT --reject-with tcp-reset
# Accept samba connections from client 192.168.1.104
iptables -A INPUT -p tcp --syn -s 192.168.1.104 --destination-port 139 -j ACCEPT
iptables -A INPUT -p tcp --syn -s trancas --destination-port 139 -j ACCEPT
# Drop all other connection attempts. Only connections defined above are allaowed
iptables -P INPUT DROP

For the client (almost the same as above):
iptables -F
iptables -A INPUT -i lo -p all -j ACCEPT
iptables -A OUTPUT -o lo -p all -j ACCEPT
iptables -A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --tcp-option ! 2 -j REJECT --reject-with tcp-reset
iptables -A INPUT -p tcp --syn -s 192.168.1.103 --destination-port 139 -j ACCEPT
iptables -A INPUT -p tcp --syn -s trancas --destination-port 139 -j ACCEPT
iptables -P INPUT DROP

Does this configuration sound correct for my needs?
Thanks for any help/advice.