Interface auto-cloning bug or feature?

[Alexey Shuvaev]

On Fri, Sep 19, 2008 at 04:33:19AM -0700, Maxim Sobolev wrote:
> Alexey Shuvaev wrote:
>>> [root at sp1 /usr/home/sobomax]# ifconfig -a
>>> tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
>>> tun1: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
>>> tun2: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
>>> tun3: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
>>>
>> Me too.
>> I have seen that using ppp(8) and security/vpnc.
>
> That what has caused me to look into this issue. You can find patch for  
> security/vpnc to prevent unbounded interface cloning here:
>
> http://sobomax.sippysoft.com/~sobomax/vpnc.diff
>
Ok, the patch prevents interface cloning, but I think it doesn't solve
the actual problem.
Let's wait for Maksim :)

Thanks,
Alexey.