Hello, On a server nmap -v -n -Pn -p5900-5910 localhost provides: Starting Nmap 7.70 ( https://nmap.org ) at 2020-02-15 15:07 EST Initiating SYN Stealth Scan at 15:07 Scanning localhost (127.0.0.1) [11 ports] Completed SYN Stealth Scan at 15:07, 0.42s elapsed (11 total ports) Nmap scan report for localhost (127.0.0.1) Host is up (0.000015s latency). Other addresses for localhost (not scanned): ::1 PORT STATE SERVICE 5900/tcp closed vnc 5901/tcp closed vnc-1 5902/tcp closed vnc-2 5903/tcp closed vnc-3 5904/tcp closed unknown 5905/tcp closed unknown 5906/tcp closed unknown 5907/tcp closed unknown 5908/tcp closed unknown 5909/tcp closed unknown 5910/tcp closed cm How can I open the port vnc? I also have iptables -L |grep 5901 ACCEPT tcp -- anywhere anywhere tcp dpt:5901 netstat -napt | grep -i vnc tcp 0 0 0.0.0.0:5901 0.0.0.0:* LISTEN 6309/Xvnc tcp6 0 0 :::5901 :::* LISTEN 6309/Xvnc systemctl status firewalld.service ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled) Active: active (running) since Mon 2020-02-10 17:09:16 EST; 4 days ago Docs: man:firewalld(1) Main PID: 928 (firewalld) Tasks: 2 (limit: 4915) Memory: 39.1M CGroup: /system.slice/firewalld.service └─928 /usr/bin/python3 /usr/sbin/firewalld --nofork --nopid Feb 10 17:09:14 euripide systemd[1]: Starting firewalld - dynamic firewall daemon... Feb 10 17:09:16 euripide systemd[1]: Started firewalld - dynamic firewall daemon. Thanks =========================================================================== Patrick DUPRÉ | | email: pdupre@xxxxxxx Laboratoire interdisciplinaire Carnot de Bourgogne 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE Tel: +33 (0)380395988 =========================================================================== _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx