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- To block port 80 (HTTP server) using iptables.
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bonnie 2020-07-19 23:18:25 +08:00
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@ -2492,6 +2492,14 @@ $ sudo iperf -s -p 80
iperf -c <server IP address> --parallel 2 -i 1 -t 2 -p 80
```
##### To block port 80 (HTTP server) using iptables.
```bash
sudo iptables -A INPUT -p tcp --dport 80 -j DROP
# only block connection from an IP address
sudo iptables –A INPUT –s <IP> -p tcp –dport 80 –j DROP
```
## Data wrangling
[[back to top](#handy-bash-one-liners)]