Openport2pid

openport2pid.sh

#!/bin/bash
# Original at: http://www.brandonhutchinson.com/Port_to_PID_with_lsof.html
# was written originaly for Solaris 9. Fixed By Elad Gariany to OSX
# Map LISTENing TCP ports to their PIDs using lsof

#LSOF=lsof

# e.g. netstat -an
# 127.0.0.1.25               *.*                0      0 49152      0 LISTEN
#       *.22                 *.*                0      0 49152      0 LISTEN

# e.g. lsof -i
# sshd    5097    root    5u  IPv4 0x30863fb1b58      0t0  TCP *:ssh (LISTEN)

printf "%-6s %-10s %-6s %-8s\n" "Port" "Command" "PID" "User"
printf "%-6s %-10s %-6s %-8s\n" "----" "-------" "---" "----"

for PORT in `netstat -an | grep LISTEN | \
perl -ne 'print "$1\n" if /.*\.(\d+)\s+\*\.\*/' | sort -n | uniq`
do
   lsof -i :${PORT} | grep LISTEN | tail -1 | while read line
   do
      set $line
      COMMAND=$1
      PID=$2
      LSOF_USER=$3
      printf "%-6d %-10s %-6d %-8s\n" "$PORT" "$COMMAND" "$PID" "$LSOF_USER"
   done
done