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2003 Jul 16
6
HOWTO: Temporary dynamic blocking with Shorewall and Portsentry
...this is not a # common form of usage. # # Experience shows that most attacks come from dial-up IP addresses, so # blocking them permanently gives no real benefit, and removing them # keeps our blocking table from becoming huge. # Set appropriate variables (easy to customize on different systems). DROP_INTERVAL_DAYS=5 HOSTNAME="Apollo" NOTIFY_EMAIL="rpaiz@simpaticus.com" # Get the attacker''s IP address and probed port from the command # parameters. DO NOT CHANGE THIS! BAD_IP=$1 BAD_PORT=$2 # Block the bad guy. /sbin/shorewall drop $1 # Unblock him X days after midnight tonight....