[root@SERVER ~]# netstat -tulpn | grep 44316
tcp 0 0 :::44316 :::* LISTEN -
[root@SERVER ~]# lsof -i | grep 44316
[root@SERVER ~]# rpcinfo
program version netid address service owner
100000 4 tcp6 ::.0.111 portmapper superuser
100000 3 tcp6 ::.0.111 portmapper superuser
100000 4 udp6 ::.0.111 portmapper superuser
100000 3 udp6 ::.0.111 portmapper superuser
100000 4 tcp 0.0.0.0.0.111 portmapper superuser
100000 3 tcp 0.0.0.0.0.111 portmapper superuser
100000 2 tcp 0.0.0.0.0.111 portmapper superuser
100000 4 udp 0.0.0.0.0.111 portmapper superuser
100000 3 udp 0.0.0.0.0.111 portmapper superuser
100000 2 udp 0.0.0.0.0.111 portmapper superuser
100000 4 local /var/run/rpcbind.sock portmapper superuser
100000 3 local /var/run/rpcbind.sock portmapper superuser
100024 1 udp 0.0.0.0.182.78 status 29
100024 1 tcp 0.0.0.0.233.28 status 29
100024 1 udp6 ::.211.157 status 29
100024 1 tcp6 ::.149.214 status 29
100021 1 udp 0.0.0.0.214.72 nlockmgr superuser
100021 3 udp 0.0.0.0.214.72 nlockmgr superuser
100021 4 udp 0.0.0.0.214.72 nlockmgr superuser
100021 1 tcp 0.0.0.0.208.233 nlockmgr superuser
100021 3 tcp 0.0.0.0.208.233 nlockmgr superuser
100021 4 tcp 0.0.0.0.208.233 nlockmgr superuser
100021 1 udp6 ::.236.54 nlockmgr superuser
100021 3 udp6 ::.236.54 nlockmgr superuser
100021 4 udp6 ::.236.54 nlockmgr superuser
100021 1 tcp6 ::.173.28 nlockmgr superuser
100021 3 tcp6 ::.173.28 nlockmgr superuser
100021 4 tcp6 ::.173.28 nlockmgr superuser
100011 1 udp 0.0.0.0.3.107 rquotad superuser
100011 2 udp 0.0.0.0.3.107 rquotad superuser
100011 1 tcp 0.0.0.0.3.107 rquotad superuser
100011 2 tcp 0.0.0.0.3.107 rquotad superuser
100005 1 udp 0.0.0.0.168.181 mountd superuser
100005 1 tcp 0.0.0.0.227.100 mountd superuser
100005 1 udp6 ::.156.16 mountd superuser
100005 1 tcp6 ::.221.194 mountd superuser
100005 2 udp 0.0.0.0.164.189 mountd superuser
100005 2 tcp 0.0.0.0.184.174 mountd superuser
100005 2 udp6 ::.139.191 mountd superuser
100005 2 tcp6 ::.234.54 mountd superuser
100005 3 udp 0.0.0.0.151.108 mountd superuser
100005 3 tcp 0.0.0.0.219.117 mountd superuser
100005 3 udp6 ::.177.166 mountd superuser
100005 3 tcp6 ::.216.151 mountd superuser
100003 2 tcp 0.0.0.0.8.1 nfs superuser
100003 3 tcp 0.0.0.0.8.1 nfs superuser
100003 4 tcp 0.0.0.0.8.1 nfs superuser
100227 2 tcp 0.0.0.0.8.1 nfs_acl superuser
100227 3 tcp 0.0.0.0.8.1 nfs_acl superuser
100003 2 udp 0.0.0.0.8.1 nfs superuser
100003 3 udp 0.0.0.0.8.1 nfs superuser
100003 4 udp 0.0.0.0.8.1 nfs superuser
100227 2 udp 0.0.0.0.8.1 nfs_acl superuser
100227 3 udp 0.0.0.0.8.1 nfs_acl superuser
100003 2 tcp6 ::.8.1 nfs superuser
100003 3 tcp6 ::.8.1 nfs superuser
100003 4 tcp6 ::.8.1 nfs superuser
100227 2 tcp6 ::.8.1 nfs_acl superuser
100227 3 tcp6 ::.8.1 nfs_acl superuser
100003 2 udp6 ::.8.1 nfs superuser
100003 3 udp6 ::.8.1 nfs superuser
100003 4 udp6 ::.8.1 nfs superuser
100227 2 udp6 ::.8.1 nfs_acl superuser
100227 3 udp6 ::.8.1 nfs_acl superuser
[root@SERVER ~]# netstat --program --numeric-hosts --numeric-ports --extend | grep 44316
[root@SERVER ~]# lsb_release -a
LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: RedHatEnterpriseServer
Description: Red Hat Enterprise Linux Server release 6.7 (Santiago)
Release: 6.7
Codename: Santiago
[root@SERVER ~]#
Question: What is 44316 used for? Is it some kind of kernel process? But what?
There were already topics on these, but as you can see, none of the solutions show what is it used for.
UPDATE:
[root@SERVER ~]# lsof -i :44316 -S
[root@SERVER ~]# netstat -a | grep 44316
tcp 0 0 *:44316 *:* LISTEN
[root@SERVER ~]# fuser 44316/tcp
[root@SERVER ~]# echo $?
1
[root@SERVER ~]# ss -ap | grep 44316
LISTEN 0 64 :::44316 :::*
[root@SERVER ~]# telnet localhost 44316
Trying ::1...
Connected to localhost.
Escape character is '^]'.
test
Connection closed by foreign host.
[root@SERVER ~]#
After days, it is still listening!
netstat -tulpn | grep 44316
command, do you still get the same output? It seems as though a process may have exited.