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  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, 9 Mar 2020 07:04:37 -0700
From:   Ben Greear <>
To:     David Ahern <>,
        Donald Sharp <>,,,,
Subject: Re: [PATCH] ip link: Prevent duplication of table id for vrf tables

On 03/08/2020 07:22 PM, David Ahern wrote:
> On 3/7/20 1:59 PM, Donald Sharp wrote:
>> Creation of different vrf's with duplicate table id's creates
>> a situation where two different routing entities believe
>> they have exclusive access to a particular table.  This
>> leads to situations where different routing processes
>> clash for control of a route due to inadvertent table
>> id overlap.  Prevent end user from making this mistake
>> on accident.
> I get the pain, but it is a user management problem and ip is but one
> tool. I think at most ip warns the user about the table duplication; it
> can't fail the create.

You could default 'ip' to use the safe mode, and allow a --force option if
there is some reason why it should be allowed?


Ben Greear <>
Candela Technologies Inc

Powered by blists - more mailing lists