# # Shorewall version 5 - Actions.std File # # /usr/share/shorewall/actions.std # # Please see http://shorewall.net/Actions.html for additional # information. # # Builtin Actions are: # ?if 0 A_ACCEPT # Audits then accepts a connection request A_DROP # Audits then drops a connection request allowBcast # Silently Allow Broadcast/multicast dropBcast # Silently Drop Broadcast/multicast dropNotSyn # Silently Drop Non-syn TCP packets rejNotSyn # Silently Reject Non-syn TCP packets allowinUPnP # Allow UPnP inbound (to firewall) traffic forwardUPnP # Allow traffic that upnpd has redirected from 'upnp' interfaces. Limit # Limit the rate of connections from each individual IP address ?endif ############################################################################### #ACTION A_Drop # Audited Default Action for DROP policy A_REJECT noinline,logjump # Audits then rejects a connection request A_REJECT! inline # Audits then rejects a connection request A_Reject # Audited Default action for REJECT policy allowInvalid inline # Accepts packets in the INVALID conntrack state AutoBL noinline # Auto-blacklist IPs that exceed thesholds AutoBLL noinline # Helper for AutoBL Broadcast noinline,audit # Handles Broadcast/Multicast/Anycast DNSAmp # Matches one-question recursive DNS queries Drop # Default Action for DROP policy dropInvalid inline # Drops packets in the INVALID conntrack state DropSmurfs noinline # Drop smurf packets Established inline,\ # Handles packets in the ESTABLISHED state state=ESTABLISHED # GlusterFS inline # Handles GlusterFS IfEvent noinline # Perform an action based on an event Invalid inline,audit,\ # Handles packets in the INVALID conntrack state state=INVALID # New inline,state=NEW # Handles packets in the NEW conntrack state NotSyn inline,audit # Handles TCP packets which do not have SYN=1 and ACK=0 Reject # Default Action for REJECT policy Related inline,\ # Handles packets in the RELATED conntrack state state=RELATED # ResetEvent inline # Reset an Event RST inline,audit # Handle packets with RST set SetEvent inline # Initialize an event TCPFlags # Handle bad flag combinations. Untracked inline,\ # Handles packets in the UNTRACKED conntrack state state=UNTRACKED #