Comments on: 25 Useful IPtable Firewall Rules Every Linux Administrator Should Know

By: Leonard Carghill

Leonard Carghill — Tue, 17 Aug 2021 04:33:56 +0000

“a discussion of IPtables vs Firewalld”

Surely iptables versus its successor nftables?

Otherwise, you are comparing oranges (iptables) with citrus fruits (firewalld).

Firewalld can apply firewall rules with iptables (using the still default iptables interface) or with nftables (using the new nftables backend. If you want to use firewalld, having a basic understanding of XML is useful in understanding and customizing its configuration files.

To quote a RedHat developer blog title —

‘August 10th, 2018 Firewalld: The Future is nftables”

By: Ghost

Ghost — Mon, 16 Aug 2021 05:35:19 +0000

iptables is already antiquity. Now in Linux useful firewallD and in Unix ipfw.

By: Philip Miller

Philip Miller — Sun, 02 May 2021 16:19:14 +0000

Blocking cPanel ports makes no sense. Is this a risk? Yes, because you won’t be able to log into your WHM cPanel through port 2087. So many of these blocks should be applied very carefully.

What we need is a rock-solid routine to prevent spoofing. And a discussion of IPtables vs Firewalld.

By: Jeff YANG

Jeff YANG — Wed, 27 Jan 2021 11:12:09 +0000

There is a typo in subject > iptables, instead of iptable

By: Ralf

Ralf — Sat, 29 Feb 2020 23:15:28 +0000

In reply to Ravi Saive. On Ubuntu and Debian, to install whois, just run this one-liner:

# apt-get install whois