I need to know how much data are transmitted on my ppp0 network or eth0 Internet links? How do I set IP accounting by address such as 18.104.22.168 and 22.214.171.124? How do I set IP accounting per Apache virtual domain? How do I set accounting by service port (http, smtp) and protocol (tcp, udp, icmp)? How do I record how much traffic each of the clients computer is using?
How do I read a list of ip address (subnets) using a text file and block all of them using Linux iptables command?
How do I restrict the number of connections used by a single IP address to my server for port 80 and 25 using iptables?
How do I redirect 80 port to 8123 using iptables?
How do I invert a protocol or ip address test while writing iptables based shell scripts?
I’ve root ssh access and need to add / delete a few IP address on fly using the IPtables command via local shell script. How do I add or delete an IP address remotely over the SSH session under CentOS / Redhat / RHEL / Debian / Ubuntu Linux?
How do I configure iptables firewall under CentOS / Fedora / RHEL / Redhat Linux to allow access to the Samba server? How do I open TCP ports # 137, 138, 139 and 445 under Linux so that all Microsoft Windows machine can access files and printer on a Linux host?