Subject: Re: [PATCH] add stealth mode

From: Nicolas Dichtel <[email-masked]>
Date: Thu, 02 Jul 2015 10:23:27 +0200

Le 02/07/2015 00:53, Matteo Croce a écrit :
> Add option to disable any reply not related to a listening socket,
> like RST/ACK for TCP and ICMP Dest-Unreach for UDP.
> Also disables ICMP replies to echo request and timestamp.
> The stealth mode can be enabled selectively for a single interface.
> ---
>   include/linux/inetdevice.h | 1 +
>   include/linux/ipv6.h       | 1 +
>   include/uapi/linux/ip.h    | 1 +
>   net/ipv4/devinet.c         | 1 +
>   net/ipv4/icmp.c            | 6 ++++++
>   net/ipv4/tcp_ipv4.c        | 3 ++-
>   net/ipv4/udp.c             | 4 +++-
>   net/ipv6/addrconf.c        | 7 +++++++
>   net/ipv6/icmp.c            | 3 ++-
>   net/ipv6/tcp_ipv6.c        | 2 +-
>   net/ipv6/udp.c             | 3 ++-
>   11 files changed, 27 insertions(+), 5 deletions(-)

It is recommended to add an explanation of new sysctl here:
Documentation/networking/ip-sysctl.txt