linux-kernel - Re: [PATCH v2] Add icmp_echo_ignore

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 13 Aug 2018 08:42:49 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     virgile@...eis.fr
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Add icmp_echo_ignore_all support for ICMPv6

From: Virgile Jarry <virgile@...eis.fr>
Date: Fri, 10 Aug 2018 17:48:15 +0200

> Preventing the kernel from responding to ICMP Echo Requests messages
> can be useful in several ways. The sysctl parameter
> 'icmp_echo_ignore_all' can be used to prevent the kernel from
> responding to IPv4 ICMP echo requests. For IPv6 pings, such
> a sysctl kernel parameter did not exist.
> 
> Add the ability to prevent the kernel from responding to IPv6
> ICMP echo requests through the use of the following sysctl
> parameter : /proc/sys/net/ipv6/icmp/echo_ignore_all.
> Update the documentation to reflect this change.
> 
> Signed-off-by: Virgile Jarry <virgile@...eis.fr>
> ---
> Changes in v2:
> 	- Added support for sysctl interface (and not just /proc filesystem)

Applied.