New answers tagged firewall
I have drawn some sketches The machine, where the ssh tunnel command is typed is called »your host«. Introduction local: -L Specifies that the given port on the local (client) host is to be forwarded to the given host and port on the remote side. ssh -L sourcePort:forwardToHost:onPort connectToHost means: connect with ssh to connectToHost, and ...
Is this expected behavior that is somehow dictated by the HTTPS connection or are those connections suspect? Should I ACCEPT NEW connections as well? No it's not, yes they are, and no you shouldn't. Your server should not initiate new connections; it should accept incoming ones and respond on the session that is already open. If you were to allow your ...
I've had the same problem. You have created a set with ipset called "blocking", however, I don't see where this set gets saved so you'd have to recreate it after ever reboot in a script I guess?
Without the NEW rules nothing is laced into the db and thus ESTABLISHED,RELATED will never match anything. This is false. There are five userland states (there are more in kernel space), and while an ESTABLISHED or RELATED connection does logically need to begin with a NEW packet, you do not need any explicit NEW rule to produce such a connection (you ...
Avoid eth0:0 in Netfilter rules, use eth0 only (if you need it at all). See: Why doesn't my iptables rule work?
Google is your friend. Enable Firewalld debug logging.
i think this webpage will be useful Ch14:_Linux_Firewalls_Using_iptables#.UvpiurRVLSc">http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:Ch14:_Linux_Firewalls_Using_iptables#.UvpiurRVLSc
you can see the logging information by using iptables: first open the command line and run iptables service: service iptables start second write this command: iptables -A INPUT -j LOG --log-level info --log-prefix "iptables INPUT:" then you can write this command: tail -f /var/log/messages it will give you the logging information you are looking ...
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