How to configure iptables on Debian - UpCloud

Note that the first block is nothing but a single class A network number, while the second block is a set of 16 continuous class B network numbers, and the third block is a set of 255 continuous class C network numbers. ***** -- Thanks, Louie Restricting SSH login by IP address on Debian - Server Fault I want to allow SSH logins only from 3 IP addresses: 111.111.111.111 and 222.222.222.222 and 333.333.333.333. I know, I have to edit /etc/hosts.allow and /etc/hosts.deny files. My question is abou How/command to block/unblock an IP address in your Linux How do I block an IP address on my server ? You can simply block by using the above mentioned switches. See the below pasted examples; Syntax: iptables -A INPUT -s IP-ADD -j DROP Example: iptables -A INPUT -s xx.xx.xx.xx -j DROP Where xx.xx.xx.xx is the IP address which you want to block. Then save the newly added rules to iptables. linux - How to Automatically and Temporarily block an IP How to Automatically and Temporarily block an IP address making too many hits on the Server in a short timespan? Ask Question Asked 7 years, 10 months ago. Active 2 years, 2 months ago. Viewed 47k times 21. 6. One of my LAMP servers was recently brought down by some kind of script bot looking for exploits. From the looks of it, it was making so

Controlling Network Traffic with iptables - A Tutorial

Feb 15, 2019

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Oct 06, 2017 Controlling Network Traffic with iptables - A Tutorial Jun 22, 2020 iptables block access to port 8000 except from IP address