1netstat-nat(1) General Commands Manual netstat-nat(1)
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6 netstat-nat - Show the natted connections on a linux iptable firewall
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9 netstat-nat [options]
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12 netstat-nat Displays NAT connections managed by netfilter/iptables
13 which comes with the > 2.4.x linux kernels.
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15 The program reads its information from '/proc/net/ip_conntrack' or
16 '/proc/net/nf_conntrack', which is the temporary conntrack-storage of
17 netfilter.
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20 -h displays help
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22 -n don't resolve IPs/portnumbers to host/portnames
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24 -p <protocol>
25 display NAT connections with protocol selection (see /etc/proto‐
26 cols)
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28 -s <source host>
29 display connections by source IP/hostname
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31 -d <destination host>
32 display connections by destination IP/hostname
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34 -S display SNAT connections
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36 -D display DNAT connections
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38 -L display only connections to NAT box self (doesn't show SNAT &
39 DNAT)
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41 -R display only connections routed through the NAT box (doesn't
42 show SNAT & DNAT)
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44 -x extended view of hostnames
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46 -r <src|dst|src-port|dst-port|state>
47 sort connections
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49 -o no output header
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51 -N display NAT box connection information (only valid with SNAT &
52 DNAT)
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54 -v prints version
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57 /proc/net/ip_conntrack or /proc/net/nf_conntrack
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60 http://www.tweegy.nl/projects/netstat-nat/
61 http://www.netfilter.org/
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64 netstat-nat has been written by D.Wijsman danny@tweegy.nl
65 The manual page has been written by marceln@xs4all.nl
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69 July 2002 netstat-nat(1)