如題：
tcp6 0 0 [::]:10053 [::]:* LISTEN
tcp6 0 0 [::]:9094 [::]:* LISTEN
tcp6 0 0 [::]:xinetd [::]:* LISTEN
tcp6 0 0 [::]:7051 [::]:* LISTEN
tcp6 0 0 [::]:7053 [::]:* LISTEN
tcp6 0 0 [::]:7054 [::]:* LISTEN
tcp6 0 0 [::]:50000 [::]:* LISTEN
tcp6 0 0 [::]:8054 [::]:* LISTEN
tcp6 0 0 [::]:9050 [::]:* LISTEN
tcp6 0 0 [::]:9051 [::]:* LISTEN
tcp6 0 0 [::]:9053 [::]:* LISTEN
tcp6 0 0 [::]:zabbix-trapper [::]:* LISTEN
tcp6 0 0 [::]:9092 [::]:* LISTEN
uj5u.com熱心網友回復：
LISTEN狀態，這不是一條存在的連接，只是一個偵聽，表示系統在這些埠上等待客戶端來連接uj5u.com熱心網友回復：
但是我在別的機器上去telnet 這個ip 的50000埠時，telnet不通啊。uj5u.com熱心網友回復：
檢查兩個地方，一個是網路通不通，一個是埠開沒開。先檢查客戶端到這個IP之間，是不是可達，再到iptables或者firewalld檢查一下，有沒有把埠放行。
uj5u.com熱心網友回復：
還有selinuxuj5u.com熱心網友回復：
兩臺機器的ip肯定時可達的，因為兩臺機器在遠程登陸，埠應該也是放行的，所有埠都沒有限制。
uj5u.com熱心網友回復：
iptables 執行如下：root@iZ2zef1hubdcrpqe132hx4Z:~# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy DROP)
target prot opt source destination
DOCKER-USER all -- anywhere anywhere
DOCKER-ISOLATION all -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DOCKER all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DOCKER all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DOCKER all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain DOCKER (3 references)
target prot opt source destination
ACCEPT tcp -- anywhere 192.168.32.2 tcp dpt:7054
ACCEPT tcp -- anywhere 192.168.32.3 tcp dpt:7053
ACCEPT tcp -- anywhere 192.168.32.3 tcp dpt:7051
ACCEPT tcp -- anywhere 192.168.32.4 tcp dpt:7054
ACCEPT tcp -- anywhere 192.168.32.5 tcp dpt:7053
ACCEPT tcp -- anywhere 192.168.32.5 tcp dpt:7051
ACCEPT tcp -- anywhere 192.168.32.7 tcp dpt:7053
ACCEPT tcp -- anywhere 192.168.32.7 tcp dpt:7051
ACCEPT tcp -- anywhere 192.168.32.11 tcp dpt:9092
ACCEPT tcp -- anywhere 192.168.32.12 tcp dpt:9092
ACCEPT tcp -- anywhere 192.168.32.13 tcp dpt:9092
ACCEPT tcp -- anywhere 192.168.32.16 tcp dpt:7050
Chain DOCKER-ISOLATION (1 references)
target prot opt source destination
DROP all -- anywhere anywhere
DROP all -- anywhere anywhere
DROP all -- anywhere anywhere
DROP all -- anywhere anywhere
DROP all -- anywhere anywhere
DROP all -- anywhere anywhere
RETURN all -- anywhere anywhere
Chain DOCKER-USER (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
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