Re: [PATCH net-next] net: ipv6: Add sysctl for minimum prefix len acceptable in RIOs.

2017-03-22 Thread David Miller
From: Joel Scherpelz Date: Wed, 22 Mar 2017 18:19:04 +0900 > This commit adds a new sysctl accept_ra_rt_info_min_plen that > defines the minimum acceptable prefix length of Route Information > Options. The new sysctl is intended to be used together with >

Re: [PATCH net-next] net: ipv6: Add sysctl for minimum prefix len acceptable in RIOs.

2017-03-22 Thread Lorenzo Colitti
On Wed, Mar 22, 2017 at 6:19 PM, Joel Scherpelz wrote: > It is useful to prevent misconfigurations from > unintentionally blackholing too much of the IPv6 address space > (e.g., home routers announcing RIOs for fc00::/7, which is > incorrect). > > Signed-off-by: Joel

[PATCH net-next] net: ipv6: Add sysctl for minimum prefix len acceptable in RIOs.

2017-03-22 Thread Joel Scherpelz
This commit adds a new sysctl accept_ra_rt_info_min_plen that defines the minimum acceptable prefix length of Route Information Options. The new sysctl is intended to be used together with accept_ra_rt_info_max_plen to configure a range of acceptable prefix lengths. It is useful to prevent