Question

# Generated by iptables-save v1.6.1 on Thu Dec 13 17:13:37 2018 *filter :INPUT DROP [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT COMMIT # Completed on Thu Dec 13 17:13:37 2018 "~/SecurityDesk_iptables_v4" [readonly] 9L, 286C

          # Generated by iptables-save v1.6.1 on Thu Dec 13 17:13:37 2018
*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
COMMIT
# Completed on Thu Dec 13 17:13:37 2018
"~/SecurityDesk_iptables_v4" [readonly] 9L, 286C

# Generated by iptables-save v1.6.1 on Thu Dec 13 17:13:37 2018
*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m conntrack –ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp –dport 22 -j ACCEPT
COMMIT
# Completed on Thu Dec 13 17:13:37 2018
" /SecurityDeskiptablesv4" [readonly] 9L, 286C

Added by Eva K.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Akash M

11/21/2023

Step 1

First, we need to install nftables using the default package manager on each machine. The package manager will depend on the operating system you are using. For example, on Ubuntu, you can use the following command: ``` sudo apt-get install nftables ``` Show more…

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Thanks for your feedback!

You can find the respective iptables rules backup in the home folders of the machines. You should use the default package managers on each machine to install nftables, just to keep things clean. Make sure your nftables rules function the same as the iptables rules and make sure you enable the nftables service so that it is persistent across reboots. Can anyone help me with this?