![]() # Accept outgoing packets for established connections Iptables -A INPUT -p tcp -dport 22 -j chain-incoming-ssh Iptables -A INPUT -m conntrack -ctstate ESTABLISHED,RELATED -j ACCEPT # ACCEPT incoming packets for established connections Iptables -A INPUT -m conntrack -ctstate INVALID -j chain-incoming-log-and-drop Iptables -A chain-outgoing-log-and-drop -j DROP Iptables -A chain-outgoing-log-and-drop -j LOG -log-prefix " " -m limit -limit 6/min -limit-burst 4 # Define chain to log and drop outgoing packets Iptables -A chain-incoming-log-and-drop -j DROP Iptables -A chain-incoming-log-and-drop -j LOG -log-prefix " " -m limit -limit 6/min -limit-burst 4 ![]() # Define chain to log and drop incoming packets Iptables -A chain-incoming-ssh -p tcp -dport 22 -j LOG -log-prefix " " -m limit -limit 6/min -limit-burst 4 Iptables -A chain-incoming-ssh -s 192.168.1.149 -j ACCEPT -m comment -comment "local access" # Define chain to allow particular source addresses Edit firewall_start function to apply custom iptables configuration. Shell script #Ĭreate /sbin/iptables-firewall.sh shell script. Iptables? (Please include Debian environment, if distro-specific.Make iptables configuration persistent using systemd file with additional possibility to disable firewall after defined period of time. What is the preferred command to reload the current rules for Iptables bash script before I moved to nftables. On Debian I flushed all tables including custom tables and used to run ![]() There should be a way to reload the information into memory without I do not believe it is something one would use a script for.
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