Am 03/07/2011 05:49 PM, schrieb Sean Carolan:
>> First, if your host is actually communicating with any kind of ip-based
>> network, it is quite certain, that 127.0.0.1 simply isn't his IP
>> address. And, at least for me, that's a fairly good reason.
>
> Indeed. It does seem like a bad idea to have a single host using
> loopback, while the rest of the network refers to it by it's real IP
> address.
Acknowledged. At least it will save you a lot of time next year, when
you have forgotten about that and are wondering why every machine on the
network can reach a service and only the host itself can't (or vice
versa...).
>> Second, sendmail had the habit of breaking if your hostname was mapped
>> to 127.0.0.1, but I stopped using sendmail a decade ago, so I can't
>> verify this. :)
>
> The reason this came up is because one of our end-users requested such
> a setup in the /etc/hosts file, and I didn't think it was a good idea.
> Seems it would be better to fix the application(s) that require the
> data to use the real network IP address.
Most of the time it's a good idea to fix applications before ravishing
your network setup to make it work. :)
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