If a service (or port) is blocked in both TCPwrapper and Iptables, which will block the request first and why?
Which one will block first? tcp-wrapper or Iptables?
networking;iptables;firewall;tcp wrappers
Answer:Its Iptable(firewall).Why?In simple words, TCPwrapper comes in between firewall and network Services.In the OSI model, the TCPwrapper works in Application layer while iptable works mostly in Transport layer.Source:: Access Control Using TCP-wrappers