Write a Unix shell script to test all ports connections from one server(gateway

Question

Write a Unix shell script to test all ports connections from one server(gateway or client) to multiple servers. Client server has password less connection to other host. Write that output into two files I.e successful(opened ports )connection ports list with hostname and refused connection ports numbers with hostnames.
Thanks... Write a Unix shell script to test all ports connections from one server(gateway or client) to multiple servers. Client server has password less connection to other host. Write that output into two files I.e successful(opened ports )connection ports list with hostname and refused connection ports numbers with hostnames.
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Explanation / Answer

while { [gets $ifil host] >=0 } { # set timeout 600 spawn telnet $host expect ":" send "myusername " expect ":" send "mypassword " expect ">" send "en " expect ":" send "mypassword2 " expect "#" sleep 3 send "telnet 10.11.19.14 49 " expect { {Connection to} { puts "$host tacacs ok" } {Connection timed out} { puts "$host tacacs nok" } }

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