Stephen Hemminger wrote:
> On Wed, 10 Oct 2007 18:34:49 +0400
> "Denis V. Lunev" <[EMAIL PROTECTED]> wrote:
>
>> This patch prevents possibility to give 1-1024 port range for autobinding.
>> {1, 1} may only takes some sense for deep embedded people.
>>
>> Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
>>
>> --- ./net/ipv4/sysctl_net_ipv4.c.port2 2007-10-10 17:46:48.000000000
>> +0400
>> +++ ./net/ipv4/sysctl_net_ipv4.c 2007-10-10 18:08:00.000000000 +0400
>> @@ -25,7 +25,7 @@ extern int sysctl_ip_nonlocal_bind;
>> #ifdef CONFIG_SYSCTL
>> static int zero;
>> static int tcp_retr1_max = 255;
>> -static int ip_local_port_range_min[] = { 1, 1 };
>> +static int ip_local_port_range_min[] = { 1024, 1024 };
>> static int ip_local_port_range_max[] = { 65535, 65535 };
>> #endif
>>
>> -
>
> That only limits the sysctl, which seems completely counter productive.
> Sounds like more of the "stop root from shooting themselves" patches.
>
They have sense for the case of multiple network namespaces, where root
in the other namespace can be treated as a user to initial namespace.
-
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