can't access people.mozilla.org on custom port from outside

RESOLVED WORKSFORME

Status

Websites
Other
RESOLVED WORKSFORME
a year ago
a year ago

People

(Reporter: mathieu, Unassigned)

Tracking

Production

Details

(Reporter)

Description

a year ago
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:48.0) Gecko/20100101 Firefox/48.0
Build ID: 20160726073904

Steps to reproduce:

I used to have a ZNC launched on people.mozilla.org, listening on port 54324. I would then configure irccloud to connect to it.


Actual results:

Since one or two days, it seems this port can't be accessed from the outside anymore. I can still telnet to it from the server itself (via ssh), but not from the outside.


Expected results:

This custom port that I configured ZNC to listen to used to work perfectly, until a couple of days ago.
Had a quick peek on people.mo to see if this was host-based firewall related.  Appears to not be the case, host has a pretty open INPUT chain with a default ACCEPT policy.

Also checked netstat, only IPv6 listening on 54324...

$ netstat -tuna | grep 54324
tcp6       0      0 :::54324                :::*                    LISTEN
302 to :digi for znc expectations on people.mo
Flags: needinfo?(bhourigan)
If its listening on tcp6 only this will prevent it from working. Can you configure znc to only use ipv4?
Flags: needinfo?(bhourigan)
(Reporter)

Comment 4

a year ago
Thanks for the investigation! It seems it was configured to listen on both ipv4 and ipv6, and thus only listened for real on ipv6?
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → WORKSFORME
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