< Data Networking < Spring 2015 < GROUP4
Data Networking/Spring 2015/GROUP4/FIREWALL
1.Install IP tables by giving command
sudo apt-get install IP tables
2. To block ICMP request on webserver use this command
sudo iptables -A INPUT -p icmp -j REJECT
3.To reject telnet request at port 23 use this command
sudo iptables -A INPUT -p tcp -d port 23 -j REJECT
4. To allow access to particular IP's
sudo ufw allow from (IP)
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