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View Full Version : How to configurate firewall and ip/tables at freebsd



infinitomagazine
05-12-2007, 21:33 PM
I need to configurate a new VPS server , all is done except security
anyone know tutorials or anithing about security regarding prevent DDOS or flood?

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jani83
04-27-2008, 05:40 AM
I save this file as /etc/sysconfig/iptables-precursor
# and then source it and run iptables-save to create
# /etc/sysconfig/iptables, which is an input file
# consumed by the script /etc/rc.d/init.d/iptables,
# which in turn makes use of the script /sbin/iptables-restore.
#
# Before mucking with setting up iptables, you should
# disconnect the machine from the internet. Examine
# and understand the current set of iptables rules
# before you reconnect to the internet.
#
# To configure the set of iptables rules:
#
# /etc/rc.d/init.d/iptables stop
# source /etc/sysconfig/iptables-precursor
#
# To save the current set of iptables rules for use at next reboot:
#
# iptables-save > /etc/sysconfig/iptables
#
# To dynamically restart iptables after modifying /etc/sysconfig/iptables:
#
# /etc/rc.d/init.d/iptables restart
#
# Note that /etc/rc.d/init.d/iptables is a script. You can read it to
# gain understanding of how iptables uses iptables-restore to restore
# iptables firewall rules at reboot.
#
# To examine the current set of rules in effect:
#
# /etc/rc.d/init.d/iptables status
#
# However, I prefer to show the current set of rules via:
#
# iptables -nvL -t filter
# iptables -nvL -t nat

james0131
01-29-2014, 02:51 AM
I save this file as /etc/sysconfig/iptables-precursor
# and then source it and run iptables-save to create
# /etc/sysconfig/iptables, which is an input file
# consumed by the script /etc/rc.d/init.d/iptables,
# which in turn makes use of the script /sbin/iptables-restore.
#
# Before mucking with setting up iptables, you should
# disconnect the machine from the internet. Examine
# and understand the current set of iptables rules
# before you reconnect to the internet.
#
# To configure the set of iptables rules:
#
# /etc/rc.d/init.d/iptables stop
# source /etc/sysconfig/iptables-precursor
#
# To save the current set of iptables rules for use at next reboot:
#
# iptables-save > /etc/sysconfig/iptables
#
# To dynamically restart iptables after modifying /etc/sysconfig/iptables:
#
# /etc/rc.d/init.d/iptables restart
#
# Note that /etc/rc.d/init.d/iptables is a script. You can read it to
# gain understanding of how iptables uses iptables-restore to restore
# iptables firewall rules at reboot.
#
# To examine the current set of rules in effect:
#
# /etc/rc.d/init.d/iptables status
#
# However, I prefer to show the current set of rules via:
#
# iptables -nvL -t filter
# iptables -nvL -t nat


It was nice post and very help to us thanks for sharing