Hi --
Periodically I get a connection between 2 host on port 1000. netstat,
shown below, but lsof, when executed like --
/usr/sbin/lsof -i TCP:1000
-- shows nothing. If i execute --
/usr/sbin/lsof -i -nP
I get nada, see below. Anyone know what or how I can establish what
this connection is? I am running nfs between
the two machines. Much thanks!
-- Gary
# netstat -nat
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address
State
tcp 0 0 0.0.0.0:111 0.0.0.0:*
LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:*
LISTEN
tcp 0 0 0.0.0.0:46774 0.0.0.0:*
LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:*
LISTEN
tcp 0 0 0.0.0.0:25 0.0.0.0:*
LISTEN
tcp 0 0 0.0.0.0:34393 0.0.0.0:*
LISTEN
tcp 0 0 127.0.0.1:6010 0.0.0.0:*
LISTEN
tcp 0 0 127.0.0.1:6011 0.0.0.0:*
LISTEN
tcp 0 0 192.168.1.2:1000 192.168.1.1:59903
ESTABLISHED ( ### the connection ### )
tcp 0 0 127.0.0.1:25 127.0.0.1:44486
TIME_WAIT
tcp 0 0 192.168.1.2:991 192.168.1.1:2049
ESTABLISHED
tcp 0 0 :::22 :::*
LISTEN
tcp 0 0 :::25 :::*
LISTEN
tcp 0 0 ::1:6010 :::*
LISTEN
tcp 0 0 ::1:6011 :::*
LISTEN
# /usr/sbin/lsof -i -nP
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
rpcbind 1834 rpc 6u IPv4 3898 UDP *:111
rpcbind 1834 rpc 7u IPv4 3902 UDP *:737
rpcbind 1834 rpc 8u IPv4 3903 TCP *:111 (LISTEN)
rpc.statd 1853 rpcuser 6u IPv4 3953 UDP *:757
rpc.statd 1853 rpcuser 8u IPv4 3971 UDP *:40228
rpc.statd 1853 rpcuser 9u IPv4 3974 TCP *:34393 (LISTEN)
sshd 2182 root 3u IPv4 4954 TCP *:22 (LISTEN)
sshd 2182 root 4u IPv6 4956 TCP *:22 (LISTEN)
ntpd 2190 ntp 16u IPv4 4988 UDP *:123
ntpd 2190 ntp 17u IPv6 4989 UDP *:123
ntpd 2190 ntp 18u IPv6 4993 UDP
[fe80::218:f3ff:fef6:3378]:123
ntpd 2190 ntp 19u IPv6 4994 UDP [::1]:123
ntpd 2190 ntp 20u IPv6 4995 UDP
[fe80::218:f3ff:fef6:340e]:123
ntpd 2190 ntp 21u IPv4 4996 UDP 127.0.0.1:123
ntpd 2190 ntp 22u IPv4 4997 UDP 128.32.10.135:123
ntpd 2190 ntp 23u IPv4 4998 UDP 192.168.1.2:123
avahi-dae 2243 avahi 14u IPv4 5213 UDP *:5353
avahi-dae 2243 avahi 15u IPv4 5214 UDP *:54663
cupsd 2252 root 4u IPv4 5251 TCP 127.0.0.1:631 (LISTEN)
cupsd 2252 root 6u IPv4 5254 UDP *:631
master 2428 root 12u IPv4 5775 TCP *:25 (LISTEN)
master 2428 root 13u IPv6 5777 TCP *:25 (LISTEN)
....
smtpd 29092 postfix 6u IPv4 5775 TCP *:25 (LISTEN)
smtpd 29092 postfix 7u IPv6 5777 TCP *:25 (LISTEN)
smtp 29173 postfix 12u IPv4 473909 TCP
xxx.xxx.10.135:36858->209.85.217.185:25 (ESTABLISHED)
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