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Full Discussion: Array to array scanning
Top Forums Shell Programming and Scripting Array to array scanning Post 303011198 by busyboy on Monday 15th of January 2018 02:52:02 AM
Old 01-15-2018
Array to array scanning
trying a little bit of array scanning for open ports.

my code looks like below:

Code:
/bin/netstat -lntp|\
awk 'BEGIN { split("25 80 2020 6033 6010",q);  } 
$1  == "tcp" { split($4,a,":"); p[a[2]]++;  }  
$1 == "tcp6" { split($4,a,":");p[a[4]]++ } 

END { 
for ( i in q ) { 
if (! q[i] in p ) { printf("%s\n",q[i])  }   
                  } 
        }'



my input is:


Code:
# /bin/netstat -lntp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      4227/mysqld
tcp        0      0 0.0.0.0:139             0.0.0.0:*               LISTEN      5584/smbd
tcp        0      0 127.0.0.1:5900          0.0.0.0:*               LISTEN      5620/kvm
tcp        0      0 127.0.0.1:5901          0.0.0.0:*               LISTEN      5643/kvm
tcp        0      0 127.0.0.1:5902          0.0.0.0:*               LISTEN      5672/kvm
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      2347/rpcbind
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      4482/sshd
tcp        0      0 0.0.0.0:631             0.0.0.0:*               LISTEN      3513/cupsd
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      4969/exim4
tcp        0      0 127.0.0.1:6010          0.0.0.0:*               LISTEN      31012/3
tcp        0      0 0.0.0.0:445             0.0.0.0:*               LISTEN      5584/smbd
tcp        0      0 0.0.0.0:46787           0.0.0.0:*               LISTEN      2378/rpc.statd
tcp6       0      0 :::139                  :::*                    LISTEN      5584/smbd
tcp6       0      0 :::111                  :::*                    LISTEN      2347/rpcbind
tcp6       0      0 :::80                   :::*                    LISTEN      11530/apache2
tcp6       0      0 :::22                   :::*                    LISTEN      4482/sshd
tcp6       0      0 :::631                  :::*                    LISTEN      3513/cupsd
tcp6       0      0 ::1:25                  :::*                    LISTEN      4969/exim4
tcp6       0      0 ::1:6010                :::*                    LISTEN      31012/3
tcp6       0      0 :::443                  :::*                    LISTEN      11530/apache2
tcp6       0      0 :::445                  :::*                    LISTEN      5584/smbd
tcp6       0      0 :::57726                :::*                    LISTEN      2378/rpc.statd
#


the output I am looking for is something like

Code:
6010 port is not listed in allowed ports, the process is "31012/3" on "tcp6"


thanks
Last edited by vbe; 01-15-2018 at 04:31 AM.. Reason: typo
 

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LEARN ABOUT SUSE

listen

LISTEN(7)							   SQL Commands 							 LISTEN(7)

NAME

       LISTEN - listen for a notification

SYNOPSIS

       LISTEN name

DESCRIPTION

       LISTEN  registers  the current session as a listener on the notification condition name.  If the current session is already registered as a
       listener for this notification condition, nothing is done.

       Whenever the command NOTIFY name is invoked, either by this session or another one connected to the same database, all  the  sessions  cur-
       rently  listening  on that notification condition are notified, and each will in turn notify its connected client application. See the dis-
       cussion of NOTIFY for more information.

       A session can be unregistered for a given notify condition with the UNLISTEN command. A session's listen  registrations	are  automatically
       cleared when the session ends.

       The  method  a  client  application must use to detect notification events depends on which PostgreSQL application programming interface it
       uses. With the libpq library, the application issues LISTEN as an ordinary SQL command, and then must periodically call the function  PQno-
       tifies  to  find out whether any notification events have been received. Other interfaces such as libpgtcl provide higher-level methods for
       handling notify events; indeed, with libpgtcl the application programmer should not even issue LISTEN or UNLISTEN directly. See	the  docu-
       mentation for the interface you are using for more details.

       NOTIFY [notify(7)] contains a more extensive discussion of the use of LISTEN and NOTIFY.

PARAMETERS

       name   Name of a notify condition (any identifier).

EXAMPLES

       Configure and execute a listen/notify sequence from psql:

       LISTEN virtual;
       NOTIFY virtual;
       Asynchronous notification "virtual" received from server process with PID 8448.

COMPATIBILITY

       There is no LISTEN statement in the SQL standard.

SEE ALSO

       NOTIFY [notify(7)], UNLISTEN [unlisten(7)]

SQL - Language Statements					    2010-05-14								 LISTEN(7)
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