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January 5, 2026 at 16:21 in reply to: After uptime NoMachine can’t accept new incoming connections #55197
lm2lm2ParticipantJust to be sure : does NoMachine listen on all NIC or only on one at a time?
When I enable the Zerotier, the LAN wlp2s0 doesn’t answer at all to incoming connection, while Zerotier works perfect, even if it works on ssh (via %wlp2s0)January 4, 2026 at 23:33 in reply to: After uptime NoMachine can’t accept new incoming connections #55190
lm2lm2ParticipantHello
Sorry for the delay ;
I try to connect via LAN, via the automatic detection tool
I also tried with manual IPv4 and v6 directly from the connection shortcut
What is bizarre:
e.g 4 PC
PC1 can connect to PC4
PC2 and PC3 can’t, even if they can in SSH4/6
PC1, 2 and 3 can all connect via Zerotier connection, but requires to all be connected to the Internet (Zerotier online VPN service)
Even the Journalctl tool, focused on nxserver logs, doesn’t detect any incoming connection to PC4 when PC2-3 try to connect, in “auto”, v4 or v6 manual connection.
For the “auto”, it’s just the discovery feature that detects nx devices on the LAN
For Zerotier and v6 I use well the scope, eg :
fe80::b342:b404:5149:da01%zt4hopaunx
..depending on the output number of the scope of the ZT or LAN network card. Strange, as this issue affect both Win11/Linux after several days (more than a week) of uptime, but sometimes just after waking up after a first “pm-suspend”
I admit I never saw a so random issue on remote desktop tools.
Thank you
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