Cheat Sheet logoCheat Sheet Today
Linux Networking: Firewalls, NAT, and Netfilter/Export iptables rules

Dump current iptables rules in restore format.

Back to sheetBrowse commands
Sign in to save
Section: Firewalling with nftables and iptables

Export iptables rules

bash
bash
sudo iptables-save
Explanation

Dump current iptables rules in restore format.

View in sheet →

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Compare commandsView fixes

Related commands

Same sheet · prioritizing Firewalling with nftables and iptables
Show nftables rules
Display the active nftables ruleset.
OpenIn sheetbashsame section
List iptables rules
Show IPv4 filter rules with counters.
OpenIn sheetbashsame section
Allow SSH with iptables
Insert a rule allowing inbound SSH.
OpenIn sheetbashsame section
Drop traffic from IP
Block all inbound traffic from a source IP.
OpenIn sheetbashsame section
Enable masquerading
Apply source NAT for outbound traffic.
OpenIn sheetbashsame section
Create nftables table
Create an inet filter table.
OpenIn sheetbashsame section