Backslash extensionFirewall
State, default policies and rules of ufw or firewalld; allow or block a port, delete a rule, turn the firewall on or off. Open it from Backslash, the keyboard-first launcher for Linux, with Super + Space.
Commands
Firewallufw or firewalld: state, default policies, rules and zones
More network extensions
R
RouterConnected clients, internet throughput and reboot for OpenWrt, UniFi and Freebox routers, with Wi-Fi signal, IPs and traffic
SSSH HostsConnect to the hosts of your SSH config and known_hosts in a terminal or the file manager
SSubnet CalculatorIPv4 and IPv6 subnets: network, broadcast, host range, netmask and wildcard, address scope, splitting, membership checks and CIDR summarization
SSyncthingFolders and devices of Syncthing with sync progress, conflicts and last scan; rescan, pause and resume
TTailscaleYour tailnet's devices with their IPs and state: copy, SSH, ping, exit nodes, Taildrop, connect and disconnect
TTunnelsShare a local port on a public HTTPS URL with ngrok or a Cloudflare quick tunnel, and keep track of the open ones