adding argument to check if port is secured

src/main.rs

@@ -4,7 +4,7 @@ pub mod iptables_wrapper;
 pub mod login_attempt;
 
 use cli::Arguments;
-use iptables_wrapper::{allow_ip_port, ban_port, remove_ip_port, unban_port};
+use iptables_wrapper::{allow_ip_port, ban_port, is_port_secured, remove_ip_port, unban_port};
 use linemux::MuxedLines;
 use login_attempt::LoginAttempt;
 use std::path::PathBuf;
@@ -22,6 +22,10 @@ async fn main() {
         } => {
             let _ = start_ban_server(ssh_auth_log, iptables_save).await;
         }
+        Arguments::IsPortSecured { port, docker } => {
+            let is_secured = is_port_secured(port, docker);
+            println!("{}", is_secured);
+        }
         Arguments::BanPort {
             port,
             docker,