Hi, I wanted to disable ICMP on my XBuntu 16.04.6 running kernel 4.15.0-65. For this I have added the following lines into the sysctl.conf file by editing the file using vi.
net.ipv4.icmp_echo_ignore_all = 1 net.ipv4.icmp_echo_ignore_broadcasts = 1 The problem is that after a reboot the configuration given above is not applied. The entries are there in the sysctl.conf file but the ICMP services are not disabled. What can be the reason behind this? Do I have to do something extra so that the changes that I have put in the sysctl.conf are picked up after every restart? ---------- Prithvi Securely sent with Tutanota. Get your own encrypted, ad-free mailbox: https://tutanota.com
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