# =============
# -  Load Kernel Modules
# =============

# - Note:! 
# -    Since Kernel 4.7 the automatic conntrack helper assignment
# -    is disabled by default (net.netfilter.nf_conntrack_helper = 0).
# -    Enable it by setting this variable in file /etc/sysctl.conf:
# -
# -       net.netfilter.nf_conntrack_helper = 1
# -
# -    Reboot or type "sysctl -p"


ip_tables

iptable_nat
iptable_filter
iptable_mangle
iptable_raw

# - Load base modules for tracking
# -
nf_conntrack nf_conntrack_helper=0
nf_nat

# - Load module for FTP Connection tracking and NAT
# -
nf_conntrack_ftp
nf_nat_ftp

# - Load modules for SIP VOIP
# -
nf_conntrack_sip
nf_nat_sip