On Thu, Jul 16, 2020 at 9:25 PM Phil Perry <pperry at elrepo.org> wrote: > On 16/07/2020 16:48, Kaushal Shriyan wrote: > > Hi, > > > > I am running CentOS Linux release 8.2.2004 (Core) on a remote server. I > am > > running the below iptables command to allow SSH port 22 from a specific > > source IP 219.91.200.59 > > > > iptables -A INPUT -m tcp -p tcp -s 219.91.200.59 --dport 22 -j ACCEPT > >> service iptables save > > > > > > The above iptables ruleset is not working and I am still able to connect > > from the internet to SSH port 22. I look forward to hearing from you and > > thanks in advance. > > > > Best Regards, > > > > Kaushal > > EL8 does not use iptables by default - it's been replaced with nftables. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos Hi, I have run the below command but I am still able to connect from the internet. Do I need to add any drop traffic policy using nft? #nft add rule ip filter INPUT ip saddr 219.91.200.59/32 tcp dport 22 ct state new,established counter accept Any help will be highly appreciable. Thanks in advance. Best Regards, Kaushal