OK, got that sorted out and tested with netcat, thanks.

Now I just need to sort out some hand-to-hand combat with rsyslog configs 
<https://serverfault.com/questions/1101795/messages-sent-to-unix-socket-get-logged-but-not-when-sent-via-udp>
 :-)

> On May 25, 2022, at 8:34 AM, Sammy Tarling <[email protected]> wrote:
> 
> That sounds right to me — this page 
> <https://wikitech.wikimedia.org/wiki/Help:Security_groups> has some info on 
> Cloud VPS security groups.
> 
> It'll be worth limiting it to the 172.16.0.0/21 <http://172.16.0.0/21> range, 
> similar to the SSH rule in the default set.
> 
> 
> 
> 
> Kind regards,
> 
> Sammy
> 
> (She/Her)
> 
> 
> 
> User:TheresNoTime <https://meta.wikimedia.org/wiki/User:TheresNoTime>
> Wikimedia Steward
> 
> A/CU/OS
> 
> 
> 
> Unless otherwise stated, all statements from this account are made in a 
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> 
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> 
> 
> On Wed, 25 May 2022 at 13:09, Roy Smith <[email protected] 
> <mailto:[email protected]>> wrote:
> I want to send data from a process running on toolforge to a VPS host.  I 
> tried the obvious:
> 
> On the VPS host (puppet-test.spi-tools.eqiad1.wikimedia.cloud):
>> $ nc -4 -l  -p 23001
> 
> On tools-sgebastion-11:
>> echo foo | nc  -v -4  puppet-test.spi-tools.eqiad1.wikimedia.cloud 23001
>> nc: connect to puppet-test.spi-tools.eqiad1.wikimedia.cloud port 23001 (tcp) 
>> failed: Connection timed out
> 
> I'm assuming I need to configure a security group in horizon to allow ingress 
> on that port, is that correct?
> 
> 
> 
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