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netstat-nat Displays NAT connections managed by netfilter/iptables which comes with the > 2.4.x linux kernels.
The program reads its information from ‘/proc/net/ip_conntrack’, which is the temporary conntrack-storage of netfilter.
don’t resolve IPs/portnumbers to host/portnames
display NAT connections with protocol selection (see /etc/protocols)
display connections by source IP/hostname
display connections by destination IP/hostname
display SNAT connections
display DNAT connections
display only connections to NAT box self (doesn’t show SNAT & DNAT)
extended view of hostnames
no output header
netstat-nat has been written by D.Wijsman firstname.lastname@example.org
The manual page has been written by email@example.com