Anne Wilson wrote: > /etc/hosts is fine. All possible connections on the lan are correctly > defined. dns resolution is via my isp, and again the IP addresses are > correctly set. That leaves the security settings, where I believe the > problem is. So, let's start with iptables. I've never worked directly with > iptables before. I use shorewall when I set up the older server, a long time > ago. /usr/share/doc/iptables... doesn't help. Does that mean that the man > pages are the only help? Googling, I suppose. Any particular documents > recommended? > do an # iptables-save > somefile edit somefile and put the following 4 lines "somewhere" (before the lines that reject everything) -A RH-Firewall-1-INPUT -p udp -m udp -s 192.168.0.0/24 --dport 137 -j ACCEPT -A RH-Firewall-1-INPUT -p udp -m udp -s 192.168.0.0/24 --dport 138 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp -s 192.168.0.0/24 --dport 139 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp -s 192.168.0.0/24 --dport 445 -j ACCEPT adjust the IP sources (the -s 192.168.0.0/24) as you need. I am assuming that you have a rule like this: -A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT then # iptables-restore < somefile if you're happy with that, then # iptables-save > /etc/sysconfig/iptables so that this survives a reboot.