https://www.chenshaowen.com/en/tags/firewall/Recent content in Firewall on Shaowen Chen's WebsiteHugo -- gohugo.ioen©2016 - {year}, All Rights Reserved.Sat, 20 Aug 2022 08:00:00 +0000weeklyhttps://www.chenshaowen.com/en/blog/set-port-to-be-accessible-only-to-a-specified-ip.htmlSat, 20 Aug 2022 08:00:00 +0000Sat, 20 Aug 2022 08:00:00 +0000https://www.chenshaowen.com/en/blog/set-port-to-be-accessible-only-to-a-specified-ip.html1. Host Service Ports 1 2 iptables -I INPUT -p tcp --dport 80 -j DROP iptables -I INPUT -p tcp -s 1.2.3.4 --dport 80 -j ACCEPT This allows only 1.2.3.4 to access port 80 on the local host. 2. Docker Service Ports For services started like docker run -d -p 80:80 shaowenchen/demo:whoami, the method above does not work; the rule has to be added to the DOCKER-USER chain.WeChat Official AccountDockerLinuxSecurityRestrictionOperationsLearningiptablesFirewallNetwork