https://journal.robbi.my/tags/icmp/Recent content in ICMP on JOURNAL.ROBBI.MYHugoen-usMon, 26 Dec 2022 16:28:05 +0800https://journal.robbi.my/posts/201208014200/Tue, 08 Dec 2020 01:42:00 +0000https://journal.robbi.my/posts/201208014200/<p>Few weeks ago during server setup phase for one of my project, I notice there is no <code>ICMP</code> or <code>ping</code> replies from server and some port are not able to access.</p> <p>I told the network engineer to check and seem they blocking the ports and disabling ICMP replies from their firewall configuration.</p> <p>From that accident I do some google-fu if I can do same thing for personal computer / server. We can setting the <code>kernel variable</code> or use <code>iptable</code> to disable <code>ICMP / ping</code> replies if requested.</p>