New answers tagged firewall
Just noticed the same issue on Centos 6.4. I've just put @reboot /etc/init.d/iptables restart in the crontab and it works.
Use Iptables to secure inbound and outbound traffic, use GRUB password to evade from intruders, user snort and tripwire as IDS and IDP, use etherape to find ip of any intruders, Use NAT,donot use root to login. IMO!
You can do it like this with Packet Filter : pass in on em0 proto tcp from any to any port 80 rdr-to 192.168.1.20 port 8000 Change em0 with your network interface, and change the IP address to suit your needs. Read more : http://www.openbsd.org/faq/pf/rdr.html#filter
Those rules look pretty open to me. I would verify that those are the rules that are currently in effect on the machine. Can the clients connect if you flush the tables with all of the policies set to accept? I assume the clients aren't one of these... -A INPUT -s 188.8.131.52/32 -j DROP -A INPUT -s 184.108.40.206/32 -j DROP -A INPUT -s ...
Easy part first: There is no firewall set up by default on Debian or Ubuntu, or most Linux distros I know of. Do you need a firewall on Linux? Probably not, because most programs on a Linux systems that are listening for incoming connections have to be explicitly started by someone, and were installed from package repositories run by the distro. And if ...
You generally do not need a firewall ever. A firewall (more precise a packet filter) is used to filter network packages, i.e. to allow some connections and disallow others. Connection can be ingoing or outgoing. An ingoing connection, i.e. someone else wants to connect to your computer, is only possible, if your computer offers some service. - For a ...
Do you have an encrypted home directory and JIRA or Confluence depend on files anywhere under your home directory? If so, when you log out, that directory is encrypted and only available again when it's unencrypted after you log back in.
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