I have a strange problem. netfilter (the module nf_ct_ftp) drops packet from one of my ftp client. But it happens only with this client (91.xxx.xxx.170), all others clients (about 100) are working ...
I've found the kernel parameter nf_conntrack.acct interesting, in that the kernel documentation merely says "Enable connection tracking flow accounting". I've appended this to grub and rebooted and I ...
I was looking on the Internet, but it seems nobody has written iptables conntrack module for Java RMI connections. It would be great, if all connections for JMX monitoring could be matched by --state ...
A minmal iptables ruleset for a high volume Nginx reverse proxy (or: how to use NOTRACK for http and https)?
I'm looking for a minimal iptables ruleset for a rather high volume Nginx/Varnish reverse proxy. I'd like to close down the server, so that only ports 80 and 22 are open at all for connections from ...