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Date:      Thu, 19 Aug 2010 12:19:32 -0400
From:      Tim Kellers <timothyk@wallnet.com>
To:        mikel king <mikel.king@olivent.com>
Cc:        "questions@freebsd.org" <questions@freebsd.org>, Tim Kellers <kellers@njit.edu>
Subject:   Re: can't ping localhost
Message-ID:  <4C6D5994.8030708@wallnet.com>
In-Reply-To: <171315B0-DDBC-4E55-9E34-5EFE05081045@olivent.com>
References:  <4C6D3E04.5060009@wallnet.com> <4C6D479E.9010706@infracaninophile.co.uk> <4C6D49F1.5040909@njit.edu> <171315B0-DDBC-4E55-9E34-5EFE05081045@olivent.com>

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On 08/19/10 11:51, mikel king wrote:
> Your lo0 only has inet6 addresses, perhaps try binding a v4 address?
>
> Cheers,
> m!
>
> On Aug 19, 2010, at 11:12, Tim Kellers<kellers@njit.edu>  wrote:
>
>    
>> On 08/19/10 11:02, Matthew Seaman wrote:
>>      
>>> On 19/08/2010 15:21, Tim Kellers wrote:
>>>
>>>        
>>>> I'm eagerly open to suggestions.
>>>>
>>>>
>>>>          
>>> What does 'ifconfig lo0' say?
>>>
>>> What does 'sockstat | grep :25' say?
>>>
>>> What does 'ls -la /usr/libexec/sendmail/' say?
>>>
>>> What does 'mount | grep /usr' say?
>>>
>>> It sounds as if either:
>>>
>>>     * Your loopback interface has lost address 127.0.0.1
>>>
>>> or:
>>>
>>>     * Some process other than a live sendmail instance has bound to port
>>>       25 on the loopback.
>>>
>>> or:
>>>
>>>     * sendmail has somehow lost its setgid-ness
>>>
>>>     Cheers,
>>>
>>>     Matthew
>>>
>>>
>>>        
>> # ifconfig lo0
>> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST>  metric 0 mtu 16384
>>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
>>         inet6 ::1 prefixlen 128
>>
>> (lo0 looks unconfigured to me)
>>
>> # sockstat | grep :25
>> root     sendmail   7371  3  tcp4   *:25                  *:*
>> root     sendmail   7371  5  tcp6   *:25                  *:*
>>
>> (that looks fine to me)
>>
>> # ls -la /usr/libexec/sendmail/
>> total 676
>> drwxr-xr-x  2 root  wheel     512 Mar 30 21:03 .
>> drwxr-xr-x  5 root  wheel    1536 Mar 30 21:03 ..
>> -r-xr-sr-x  1 root  smmsp  669788 Mar 30 21:03 sendmail
>>
>> (looks OK to me, too)
>>
>> # mount | grep /usr
>> /dev/aacd0s1f on /usr (ufs, local, soft-updates)
>>
>> (Looks normal to me, too)
>>
>> Thanks
>>
>> Tim Kellers
>>
>>
>> _______________________________________________
>> freebsd-questions@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>> To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
>>      
>
>
>    
Thanks,

Once I saw that lo0 was not configured for ipv4, I did a:

#ifconfig lo0 inet 127.0.0.1 netmask 255.0.0.0

and local mail resolved and was delivered and I can now ping localhost.

I just have to wonder how in heck it got that way.

Thanks all

Tim Kellers



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