Especially interested in ports: 7652, 7653, 7654, 7657, 1900, 25769, 32000.
Yes, I know iptables can solve the problem, I just want to clarify it for myself.
What are these ports responsible for and how to specify the interfaces/addresses for which they will be open in the settings.
Code: Select all
# netstat -natup | grep java
tcp 0 0 127.0.0.1:32000 0.0.0.0:* LISTEN 178666/java
tcp6 0 0 127.0.0.1:4444 :::* LISTEN 178666/java
tcp6 0 0 300:42a:fdf5:1e98::7652 :::* LISTEN 178666/java
tcp6 0 0 200:42a:fdf5:1e98::7652 :::* LISTEN 178666/java
tcp6 0 0 192.168.1.17:7652 :::* LISTEN 178666/java
tcp6 0 0 10.150.1.143:7652 :::* LISTEN 178666/java
tcp6 0 0 127.0.0.1:7654 :::* LISTEN 178666/java
tcp6 0 0 127.0.0.1:7657 :::* LISTEN 178666/java
tcp6 0 0 ::1:7657 :::* LISTEN 178666/java
tcp6 0 0 :::25769 :::* LISTEN 178666/java
tcp6 0 0 127.0.0.1:7657 127.0.0.1:53072 ESTABLISHED 178666/java
tcp6 0 0 192.168.1.17:60536 187.235.103.9:23541 ESTABLISHED 178666/java
tcp6 0 0 192.168.1.17:41374 150.95.89.56:9169 ESTABLISHED 178666/java
tcp6 0 0 127.0.0.1:31000 127.0.0.1:32000 ESTABLISHED 178666/java
udp6 0 0 :::25769 :::* 178666/java
udp6 0 0 :::1900 :::* 178666/java
udp6 0 0 :::1900 :::* 178666/java
udp6 0 0 :::1900 :::* 178666/java
udp6 0 0 :::1900 :::* 178666/java
udp6 0 0 300:42a:fdf5:1e98::7653 :::* 178666/java
udp6 0 0 200:42a:fdf5:1e98::7653 :::* 178666/java
udp6 0 0 192.168.1.17:7653 :::* 178666/java
udp6 0 0 10.150.1.143:7653 :::* 178666/java