IPTables rules for Iperf

Let’s look at the current IPTables rules:

iptables -nvL

To open a port for the Iperf server, add the rule:

sudo iptables -A INPUT -p tcp --dport 5001 -j ACCEPT

To open a port for a specific IP or network:

sudo iptables -A INPUT -s 192.168.5.11/32 -p tcp --dport 5001 -j ACCEPT

See also my articles:
Configuring IPTables
Testing network bandwidth with Iperf

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