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From: Monique Y. Mudama on 28 Apr 2010 15:00
Some time ago, my slrn stopped being able to talk to my local news
server, and I'm just now trying to troubleshoot it. I suspect this has
a really obvious answer, but because I'm not at all familiar with IPv6,
I'm not seeing it. I'm running sid, mostly up to date.

Apparently, the problem is that inetd has leafnode listening on IPv6,
but not on IPv4. I think I need to either get slrn to work with IPv6,
or get leafnode listening on IPv4. Actually I'd like to know how to do
both. I'd very much appreciate any pointers you can give me.

$ netstat -l | grep nntp
tcp6 0 0 [::]:nntp [::]:* LISTEN

$ telnet :: 119
Trying ::...
Connected to ::.
Escape character is '^]'.
200 Leafnode NNTP Daemon, version 1.11.7 running at ip6-localhost (my fqdn: a.b.org)

telnet localhost 119
Trying 127.0.0.1...
telnet: Unable to connect to remote host: Connection refused

This is surprising, because I thought you had to specifically tell
inetd to use IPv6. My inetd.conf has this line:

nntp stream tcp nowait news /usr/sbin/tcpd /usr/sbin/leafnode

.... but neither loosening my /etc/hosts.* files nor removing tcpd from
the loop seems to help.

I'm a total newb regarding IPv6. Currently my environment has:
NNTPSERVER=localhost
.... which some time ago allowed slrn to read from the local news server.

Changing to
NNTPSERVER=::
does not satisfy slrn:
Connecting to host ...
Failed to resolve

Any suggestions?

--
monique


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From: Monique Y. Mudama on 28 Apr 2010 16:10
On Wed, Apr 28 at 12:57, Monique Y. Mudama penned:
>
> Apparently, the problem is that inetd has leafnode listening on
> IPv6, but not on IPv4. I think I need to either get slrn to work
> with IPv6, or get leafnode listening on IPv4. Actually I'd like to
> know how to do both. I'd very much appreciate any pointers you can
> give me.

After some fiddling, I've found the solution to run slrn on IPv6:

export NNTPSERVER="[::]"
OR
slrn -h "[::]"

.... but could anyone help me understand why inetd is running leafnode
in IPv6 ?


--
monique


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From: Alexander Samad on 29 Apr 2010 01:40
please also check here

/etc/sysctl.d/bindv6only.conf

set
net.ipv6.bindv6only = 0

On Thu, Apr 29, 2010 at 6:09 AM, Monique Y. Mudama
<spam(a)bounceswoosh.org> wrote:
> On Wed, Apr 28 at 12:57, Monique Y. Mudama penned:
>>
>> Apparently, the problem is that inetd has leafnode listening on
>> IPv6, but not on IPv4.  I think I need to either get slrn to work
>> with IPv6, or get leafnode listening on IPv4.  Actually I'd like to
>> know how to do both.  I'd very much appreciate any pointers you can
>> give me.
>
> After some fiddling, I've found the solution to run slrn on IPv6:
>
> export NNTPSERVER="[::]"
> OR
> slrn -h "[::]"
>
> ... but could anyone help me understand why inetd is running leafnode
> in IPv6 ?
>
>
> --
> monique
>
>
> --
> To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian..org
> Archive: http://lists.debian.org/20100428200905.GC25336(a)mail.bounceswoosh..org
>
>


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