New csf v7.54

Changes:

Added IPv4/IPv6 column to show whether the port in the csf –ports option is listed in *_IN (e.g. TCP_IN)
Added IPv4/IPv6 column to show the number of ESTABLISHED connections to the port in the csf –ports
Modified Server Check text from “SMTP Tweak” to “SMTP Restrictions” for cPanel/WHM UI
Added the following to LF_IPSET for IPv4 IPs and CIDRs: /etc/csf/csf.allow, /etc/csf/csf.deny, GLOBAL_DENY, GLOBAL_ALLOW, DYNDNS, GLOBAL_DYNDNS, MESSENGER. IPv6 IPs, Advanced Allow Filters and temporary blocks use traditional iptables
Modified ipset information in csf.conf including that only ipset v6+ is supported
Modified ConfigServer::Slurp to carp instead of croak
Improvements to Server Check nameserver checking to include IPv6 servers and better determine how many are local nameservers
Modified csf –graphs to append a trailing slash if missing to directory name