Re: [9fans] Content of your /rc/bin/service or /dis/svc ?

[Edouard Klein <edou@rdklein.fr>]

hiro <23hiro@gmail.com> writes:

> all this makes sense. thank you.
> i might be dense, but what's the problem with inetd exactly?
>

I have two main gripes with it:
- it runs as root, in order to switch users when launching a server, and
therefore is a security risk.
- it can be configured only by root, or if you share the file with a
group, there's no fine-grained control over who can do what. In
contrast, files in a dir can be chowned to individual users, or
different groups, allowing a per-port per-user attribution scheme, which
is very handy on a multi-user system :)




> On 3/5/24, a@9srv.net <a@9srv.net> wrote:
>> I wonder what percentage of people who reply are going to be running a
>> finger server they wrote. :-) My tcp79 comes from my implementation,
>> here: http://txtpunk.com/finger/index.html
>>
>> I think we've got enough interoperable unicode-aware implementations we can
>> start working on the update to the RFC now.
>>
>> I have a service which allows some unix hosts I run to submit vac scores
>> after they perform a backup to my venti; a slightly outdated version is
>> here: https://9p.io/sources/contrib/anothy/bin/rc/tcp17038
>>
>> tcp411 calls pqsrv, I think the same version as on the "extra"
>> page: http://9p.io/sources/extra/
>>
>> I usually have at least one "poor man's nat traversal" thing running with
>> aux/trampoline.
>>
>> I love how easy aux/listen makes sticking trivial little services up on the
>> net. I used to have one that provided a menu of MUDs to connect to. Another
>> gave the weather, as the telnet service at Weather Underground started to go
>> unmaintained (of course, mine used darksky, which is now also defunct). I
>> made a little text-based zine server (inspired by Cara
>> Esten's https://github.com/caraesten/dial_a_zine, which powered the things
>> at anewsession.com); that's up, although very lightly
>> used: http://txtpunk.com/zine/ <http://txtpunk.com/zine/index.html>
>>
>> Before life got away from me last year, I was trying to get a VoIP bridge
>> working so I could plug a POTS line into my modem and get telcodata working
>> again. I think 'cp tcp2323 telcodata' should be enough to make that zine
>> server dialable. (Sadly, I've only gotten the bridge to *place* calls over
>> my crummy DSL line.)
>>
>> As a young unix sysadmin back in the 1900s, aux/listen was one of the first
>> things that caught my eye about Plan 9, in comparison to inetd and the
>> direction everyone else was headed from there. Certainly the growth (in
>> multiple senses) of systemd has only tightened my grip on that particular
>> tool.

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