我的网络设置似乎出了问题，有人能从这个信息中看出我做错了什么吗？
似乎可以通过 ssh 连接到机器
然而，任何其他服务似乎都有问题..如果有人能指出我正确的方向，我将非常感激！谢谢
mike@mike-arch:~|⇒ nc -l -p 1234
mike@mike-arch:~|⇒ nc -zvw10 192.168.8.103 1234
Warning: Host 192.168.8.103 isn't authoritative! (direct lookup mismatch)
192.168.8.103 -> mike-arch BUT mike-arch -> 127.0.0.1
192.168.8.103 1234 (search-agent): Connection refused
/etc/主机
mike@mike-arch:~|⇒ cat /etc/hosts
127.0.0.1 mike-arch
127.0.0.1 localhost
::1 mike-arch
iptables
mike@mike-arch:~|⇒ sudo iptables -L
[sudo] password for mike:
Chain INPUT (policy ACCEPT)
target prot opt source destination
LIBVIRT_INP all -- anywhere anywhere
Chain FORWARD (policy DROP)
target prot opt source destination
LIBVIRT_FWX all -- anywhere anywhere
LIBVIRT_FWI all -- anywhere anywhere
LIBVIRT_FWO all -- anywhere anywhere
DOCKER-USER all -- anywhere anywhere
DOCKER-ISOLATION-STAGE-1 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
LIBVIRT_OUT all -- anywhere anywhere
Chain DOCKER (1 references)
target prot opt source destination
Chain DOCKER-ISOLATION-STAGE-1 (1 references)
target prot opt source destination
DOCKER-ISOLATION-STAGE-2 all -- anywhere anywhere
RETURN all -- anywhere anywhere
Chain DOCKER-ISOLATION-STAGE-2 (1 references)
target prot opt source destination
DROP all -- anywhere anywhere
RETURN all -- anywhere anywhere
Chain DOCKER-USER (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
Chain LIBVIRT_FWI (1 references)
target prot opt source destination
ACCEPT all -- anywhere 192.168.122.0/24 ctstate RELATED,ESTABLISHED
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
Chain LIBVIRT_FWO (1 references)
target prot opt source destination
ACCEPT all -- 192.168.122.0/24 anywhere
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
Chain LIBVIRT_FWX (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
Chain LIBVIRT_INP (1 references)
target prot opt source destination
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:domain
ACCEPT udp -- anywhere anywhere udp dpt:bootps
ACCEPT tcp -- anywhere anywhere tcp dpt:bootps
Chain LIBVIRT_OUT (1 references)
target prot opt source destination
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:domain
ACCEPT udp -- anywhere anywhere udp dpt:bootpc
ACCEPT tcp -- anywhere anywhere tcp dpt:bootpc
答案1
在您的主机文件中，您已使用环回地址而不是实际 IP 地址设置主机名。
您的 /etc/hosts 文件应如下所示：
127.0.0.1 localhost
::1 localhost
127.0.1.1 mike-arch