talk server (talkd) not working

A user on another machine on the same local network cannot call me with talk. My talk: alba@mac2011-manjaro% systemctl status talk ○ talk.service - Talk Server Loaded: loaded (/usr/lib/systemd/system/talk.service; indirect; preset: di> Active: inactive (dead) since Thu 2023-02-16 21:56:03 WET; 15min ago Duration: 3min 59.508s TriggeredBy: ● talk.socket Docs: man:talkd(8) man:talk(1) Process: 3170 ExecStart=/usr/bin/talkd (code=exited, status=0/SUCCESS) Main PID: 3170 (code=exited, status=0/SUCCESS) CPU: 5ms Feb 16 21:52:04 mac2011-manjaro systemd: Started Talk Server. Feb 16 21:56:03 mac2011-manjaro systemd: talk.service: Deactivated successfu> alba@mac2011-manjaro% systemctl status talk.socket ● talk.socket - Talk Server Activation Socket Loaded: loaded (/usr/lib/systemd/system/talk.socket; enabled; preset: disa> Active: active (listening) since Thu 2023-02-16 21:43:51 WET; 28min ago Until: Thu 2023-02-16 21:43:51 WET; 28min ago Triggers: ● talk.service Docs: man:ta alba@mac2011-manjaro% mesg is y alba@mac2011- alba@mac2011-manjaro% mesg is ymanjaro% mesg is ylkd(8) man:talk(1) Listen: 0.0.0.0:518 (nslonslookup mach_namenslookup mach_namenslookup mach_namenslookup mach_nameokup mach_nameDatagram) Tasks: 0 (limit: 19063) Memory: 8.0K CPU: 563us CGroup: /system.slice/talk.socket Feb 16 21:43:51 mac2011-manjaro systemd: Listening on Talk Server Activation alba@mac2011-manjaro% mesg is y For the user on the other machine: alba@mac2011-manjaro-1% talk alba@mac2011-manjaro [Service connection established.] [Your party is not logged on] Each side has Manjaro Linux, Gnome desktop and only one terminal open. What is wrong? On the same local network with the same commands, Mac OS responds to talk from other Linux or Mac OS machines. Maybe useful: alba@mac2011-manjaro% who alba :1 2023-02-16 21:33 (:1) alba@mac2011-manjaro% tty /dev/pts/0 alba@mac2011-manjaro% w 11:09:38 up 1 day, 13:36, 1 user, load average: 1.54, 1.43, 1.33 USER TTY LOGIN@ IDLE JCPU PCPU WHAT alba :1 Thu21 ?xdm? 22:21m 0.01s /usr/lib/gdm-x-session --run-sc