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] [thread-next>] [day] [month] [year] [list]
Date:   Mon, 13 May 2019 16:07:40 +0200
From:   Florian Westphal <>
To:     Weilong Chen <>
Subject: Re: [PATCH net-next v2] ipv4: Add support to disable icmp timestamp

Weilong Chen <> wrote:
> The remote host answers to an ICMP timestamp request.
> This allows an attacker to know the time and date on your host.

No, it does not, I already told you so in V1 :-/

If you really think that its a problem that one can discover
milliseconds-since-midnight please just change inet_current_timestamp()
to add a random offset instead of adding yet another sysctl.

Powered by blists - more mailing lists