busybox netstat to find process

Busybox netstat does not support "-p" to show process which is listening TCP or UDP port.

 

An Altinative way to find process/TCP port.  You need to guess the process, then find its fd which is opened by the process.

https://serverfault.com/questions/219984/busybox-netstat-no-p

$ cat /proc/net/tcp
sl  local_address rem_address   st tx_queue rx_queue tr tm->when retrnsmt   uid  timeout inode
 0: 00000000:0016 00000000:0000 0A 00000000:00000000 00:00000000 00000000     0        0 6115 1 f5adc4c0 300 0 0 2 -1
...

$ sudo ls -l /proc/2560/fd
...
lrwx------ 1 root root 64  7 jan 22.50 3 -> socket:[6115]