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-next>] [day] [month] [year] [list]
Date:	Wed, 23 Jul 2014 07:56:38 -0700
From:	Randy Dunlap <>
To:	Stephane Chazelas <>,,
	"" <>
Subject: Re: network interfaces called "all", "default" or "config"

[adding netdev]

On 07/23/2014 04:33 AM, Stephane Chazelas wrote:
> Hiya,
> you may want to forbid the creation of interfaces whose name is
> one of the special files in /proc/net and /proc/sys.
> I can see some characters (like space, tab, newline, slash,
> dot...) are alread forbidden in interface names (EINVAL), but
> one can do for instance:
> sudo ip link add link eth0 all type vlan id 2
> sudo ip link add link eth0 default type vlan id 3
> sudo ip link add link eth0 config type vlan id 4
> Interestingly, after you add a "all" or "default", the
> corresponding /proc/sys/net/ipv[46]/conf/(all|default) become
> empty, and remain so even after you've removed the interface.
> Adding an interface called "config" masks /proc/net/vlan/config
> (tested with 3.14-1-amd64 on debian)

To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists