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[IPV6]: Disallow RH0 by default.

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A security issue is emerging.  Disallow Routing Header Type 0 by default
as we have been doing for IPv4.
Note: We allow RH2 by default because it is harmless.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2007-04-24 14:58:30 -07:00 • committed by David S. Miller
parent 05d224468a
commit 0bcbc92629
5 changed files with 58 additions and 6 deletions
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3
include/linux/ipv6.h
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@ -177,6 +177,7 @@ struct ipv6_devconf {
#endif
#endif
__s32 proxy_ndp;
__s32 accept_source_route;
void *sysctl;
};
@ -205,6 +206,8 @@ enum {
DEVCONF_RTR_PROBE_INTERVAL,
DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
DEVCONF_PROXY_NDP,
__DEVCONF_OPTIMISTIC_DAD,
DEVCONF_ACCEPT_SOURCE_ROUTE,
DEVCONF_MAX
};