[bitfolk] ip6tables

I have a VPS with Bitfolk used as a web server/mail server. I'm running Debian Lenny and I have iptables set up allowing ssh, www, imap, pop, ntp etc only. My question is what to do about firewalling ipv6 addresses. Andy's Customer Documentation notes "those customers firewalling IPv4 will also want to firewall (or disable) IPv6" I see ip6tables is already installed with an empty rule set. Should I be blocking all ipv6 traffic or setting up the same rules as for ipv4? Also what about local traffic? My iptables rules: ACCEPT all -- lo any anywhere anywhere ACCEPT all -- any any anywhere anywhere ctstate RELATED,ESTABLISHED ACCEPT tcp -- any any anywhere anywhere tcp dpt:ssh ACCEPT tcp -- any any anywhere anywhere tcp dpt:www ACCEPT tcp -- any any anywhere anywhere tcp dpt:https ACCEPT tcp -- any any anywhere anywhere tcp dpt:imaps ACCEPT tcp -- any any anywhere anywhere tcp dpt:pop3s ACCEPT tcp -- any any anywhere anywhere tcp dpt:smtp ACCEPT tcp -- any any anywhere anywhere tcp dpt:ntp ACCEPT tcp -- any any anywhere anywhere tcp dpt:imap2 ACCEPT tcp -- any any anywhere anywhere tcp dpt:ssmtp ACCEPT tcp -- any any anywhere anywhere tcp dpt:pop3 DROP all -- any any anywhere anywhere Thanks in advance. Martin