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Full Discussion: determining open ports
Top Forums UNIX for Advanced & Expert Users determining open ports Post 75904 by matrixmadhan on Thursday 23rd of June 2005 03:57:19 AM
Old 06-23-2005
determining open ports

hi all

1) how to determine available ports in a box (solaris)

do i have to go for a netstat on all the ports?

2) how to block a particular port for a particular type of connection.

Any help would be greatly appreciated

Thanks
 

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sepolicy-network(8)													       sepolicy-network(8)

NAME
sepolicy-network - Examine the SELinux Policy and generate a network report SYNOPSIS
sepolicy network [-h] (-l | -a application [application ...] | -p PORT [PORT ...] | -t TYPE [TYPE ...] | -d DOMAIN [DOMAIN ...]) DESCRIPTION
Use sepolicy network to examine SELinux Policy and generate network reports. OPTIONS
-a, --application Generate a report listing the ports to which the specified init application is allowed to connect and or bind. -d, --domain Generate a report listing the ports to which the specified domain is allowed to connect and or bind. -l, --list List all Network Port Types defined in SELinux Policy -h, --help Display help message -t, --type Generate a report listing the port numbers associate with the specified SELinux port type. -p, --port Generate a report listing the SELinux port types associate with the specified port number. EXAMPLES
sepolicy network -p 22 22: tcp ssh_port_t 22 22: udp reserved_port_t 1-511 22: tcp reserved_port_t 1-511 sepolicy network -a /usr/sbin/sshd sshd_t: tcp name_connect 111 (portmap_port_t) 53 (dns_port_t) 88, 750, 4444 (kerberos_port_t) 9080 (ocsp_port_t) 9180, 9701, 9443-9447 (pki_ca_port_t) 32768-61000 (ephemeral_port_t) all ports < 1024 (reserved_port_type) all ports with out defined types (port_t) sshd_t: tcp name_bind 22 (ssh_port_t) 5900-5983, 5985-5999 (vnc_port_t) 6000-6020 (xserver_port_t) 32768-61000 (ephemeral_port_t) all ports > 500 and < 1024 (rpc_port_type) all ports with out defined types (port_t) sshd_t: udp name_bind 32768-61000 (ephemeral_port_t) all ports > 500 and < 1024 (rpc_port_type) all ports with out defined types (port_t) AUTHOR
This man page was written by Daniel Walsh <dwalsh@redhat.com> SEE ALSO
sepolicy(8), selinux(8), semanage(8) 20121005 sepolicy-network(8)
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