How to open a port without firewall












0















I want to open a port on my ubuntu without useing a firewall like ufw or Iptables
I use this command




nc -l port number




to open ports but it dosen't work










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  • 1





    What do you mean by "but it doesn't work" ?

    – Soren A
    Feb 26 at 7:40











  • I mean thath command dosen't open that port.

    – poyan_msd
    Feb 26 at 8:59











  • What is the output of netstat -a | grep port_number ?

    – Soren A
    Feb 26 at 9:08
















0















I want to open a port on my ubuntu without useing a firewall like ufw or Iptables
I use this command




nc -l port number




to open ports but it dosen't work










share|improve this question


















  • 1





    What do you mean by "but it doesn't work" ?

    – Soren A
    Feb 26 at 7:40











  • I mean thath command dosen't open that port.

    – poyan_msd
    Feb 26 at 8:59











  • What is the output of netstat -a | grep port_number ?

    – Soren A
    Feb 26 at 9:08














0












0








0








I want to open a port on my ubuntu without useing a firewall like ufw or Iptables
I use this command




nc -l port number




to open ports but it dosen't work










share|improve this question














I want to open a port on my ubuntu without useing a firewall like ufw or Iptables
I use this command




nc -l port number




to open ports but it dosen't work







14.04






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Feb 26 at 7:21









poyan_msdpoyan_msd

1




1








  • 1





    What do you mean by "but it doesn't work" ?

    – Soren A
    Feb 26 at 7:40











  • I mean thath command dosen't open that port.

    – poyan_msd
    Feb 26 at 8:59











  • What is the output of netstat -a | grep port_number ?

    – Soren A
    Feb 26 at 9:08














  • 1





    What do you mean by "but it doesn't work" ?

    – Soren A
    Feb 26 at 7:40











  • I mean thath command dosen't open that port.

    – poyan_msd
    Feb 26 at 8:59











  • What is the output of netstat -a | grep port_number ?

    – Soren A
    Feb 26 at 9:08








1




1





What do you mean by "but it doesn't work" ?

– Soren A
Feb 26 at 7:40





What do you mean by "but it doesn't work" ?

– Soren A
Feb 26 at 7:40













I mean thath command dosen't open that port.

– poyan_msd
Feb 26 at 8:59





I mean thath command dosen't open that port.

– poyan_msd
Feb 26 at 8:59













What is the output of netstat -a | grep port_number ?

– Soren A
Feb 26 at 9:08





What is the output of netstat -a | grep port_number ?

– Soren A
Feb 26 at 9:08










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