Re: [PATCH] nwfilter: Do not require DHCP requests to be broadcast

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On 12/21/2011 08:19 AM, Stefan Berger wrote:
> Remove the requirement that DHCP messages have to be broadcasted.

It might be worth listing more rationale, such as a scenario that fails
without this patch.

> 
> ---
>  src/nwfilter/nwfilter_ebiptables_driver.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> Index: libvirt-acl/src/nwfilter/nwfilter_ebiptables_driver.c
> ===================================================================
> --- libvirt-acl.orig/src/nwfilter/nwfilter_ebiptables_driver.c
> +++ libvirt-acl/src/nwfilter/nwfilter_ebiptables_driver.c
> @@ -3245,9 +3245,8 @@ ebtablesApplyDHCPOnlyRules(const char *i
> 
>      virBufferAsprintf(&buf,
>                        CMD_DEF("$EBT -t nat -A %s"
> -                              " -s %s -d Broadcast "
> +                              " -s %s"
>                                " -p ipv4 --ip-protocol udp"
> -                              " --ip-src 0.0.0.0 --ip-dst 255.255.255.255"

But assuming that it helped a real-life scenario, ACK.

-- 
Eric Blake   eblake@xxxxxxxxxx    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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