On 07/07/2008 17:18, Benny Prijono wrote:
> On Mon, Jul 7, 2008 at 3:51 PM, Filippo Zangheri <filippo.zangheri at yahoo.it>
> wrote:
>
>> Benny,
>>
>> I've reached desired behaviour (I guess that's desired behaviour!) by
>> adding the NULL check already mentioned and commenting out the loopback
>> address check a few lines below:
>>
>> if (it->ifa_flags & IFF_LOOPBACK) {
>>
>
>
> Sorry I don't get you. Isn't it that even with this check is in place, you
> would still get "127.0.0.1" address returned by if_enum_by_af()?
No, I don't get loopback address returned by if_enum_by_af() when that check
is in place and when ppp connection is active. I mean, with the check in place:
1. ppp on
15:37:52.525 stateful_proxy Local host aliases:
15:37:52.525 stateful_proxy 82.59.213.185:5060
15:37:52.525 stateful_proxy 192.168.2.20:5060
15:37:52.525 stateful_proxy asus-laptop:5060
15:37:52.525 stateful_proxy localhost:5060
2. ppp off
15:40:29.949 stateful_proxy Local host aliases:
15:40:29.949 stateful_proxy 127.0.0.1:5060
15:40:29.949 stateful_proxy asus-laptop:5060
15:40:29.949 stateful_proxy localhost:5060
But if I remove that check, I get:
1. ppp on
17:31:32.313 stateful_proxy 82.59.213.185:5060
17:31:32.313 stateful_proxy 127.0.0.1:5060 <--- This was missing with check in place
17:31:32.313 stateful_proxy 192.168.2.20:5060
17:31:32.313 stateful_proxy asus-laptop:5060
17:31:32.313 stateful_proxy localhost:5060
2. ppp off
15:39:34.583 stateful_proxy Local host aliases:
15:39:34.583 stateful_proxy 127.0.0.1:5060
15:39:34.583 stateful_proxy asus-laptop:5060
15:39:34.583 stateful_proxy localhost:5060
So, that's ok. Isn't it?
> Thinking about the NULL address again, I think probably that's a valid
> behavior for "ppp" interface, e.g. during initial negotiation and when IP
> address is not assigned yet. So I'm not sure if this is a Linux bug.
I made my tests only when ppp0 had an assigned address, obviously. :p
> And regarding the duplicate interfaces that you reported, probably that's
> because of IPv6 address?
No, I have IPv6 disabled in kernel.
$ zcat /proc/config.gz | grep IPV6
# CONFIG_IPV6 is not set
Thanks.
Best regards.
--
Filippo Zangheri
GPG key ID: 0x6C1F2F2F
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