Iptables, more properly referred to as “iptables/netfilter” because of the two modules that are involved — the userspace module “iptables” and the kernel ...

iptables is the user-space tool for configuring firewall rules in the Linux kernel. It is actually a part of the larger netfilter framework. Perhaps because iptables is the most visible part of the ...

Following the publication of “Taming the Wild Netfilter” in the September 2001 issue of LJ [/article/4815], I received a number of e-mails, most asking for more detailed information on working with ...

Here is my iptables script. I was wondering if there is any security issues listed, or anything I might add or change. I want to run SAMBA, MYSQL, APACHE,PERL, and PHP on the same machine as the ...

I was wondering about the option in iptables to accept a connection to a given service, say, SSH or HTTP; if the connection is originated only from unprivileged ports. I always assume that the ...