Problem

I use the server of Alibaba Cloud. The public IP address of the server of Alibaba Cloud accesses the host computer through NAT.

The podman container cannot be accessed using the public ip address, but can access using the host’s local ip address.

I created a container using podman and the root account through by using the following command.

podman run -dit 
  --network bridge 
  -v $PWD/ql/data:/ql/data 
  -p 5700:5700 
  -e QlBaseUrl="/" 
  -e QlPort="5700" 
  --name qinglong 
  --hostname qinglong 
  docker.io/whyour/qinglong:latest

I can successfully access the container using curl http://127.0.0.1:5700 or curl http://172.16.0.55:5700, but while I use curl http://<public-ip>:5700, It’s not responding.

Useful information

centos 7.6 uanme

Linux Student.Wan 3.10.0-1160.114.2.el7.x86_64 #1 SMP Wed Mar 20 15:54:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

podman version

Version:            1.6.4
RemoteAPI Version:  1
Go Version:         go1.12.12
OS/Arch:            linux/amd64

ifconfig

br-3f6a398aaad1: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        inet 172.22.0.1  netmask 255.255.0.0  broadcast 172.22.255.255
        ether 02:42:5f:66:18:3d  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

br-9f71e38ca72e: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.18.0.1  netmask 255.255.0.0  broadcast 172.18.255.255
        ether 02:42:45:88:7b:66  txqueuelen 0  (Ethernet)
        RX packets 194615  bytes 253931483 (242.1 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 190963  bytes 23646183 (22.5 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

cni-podman0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.88.0.1  netmask 255.255.0.0  broadcast 10.88.255.255
        ether 66:a0:b5:e4:8d:2a  txqueuelen 1000  (Ethernet)
        RX packets 42879  bytes 11958176 (11.4 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 42631  bytes 75566044 (72.0 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

docker0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.17.0.1  netmask 255.255.0.0  broadcast 172.17.255.255
        ether 02:42:c7:52:aa:30  txqueuelen 0  (Ethernet)
        RX packets 657601  bytes 408324390 (389.4 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 656317  bytes 1001515284 (955.1 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.16.0.55  netmask 255.255.255.0  broadcast 172.16.0.255
        ether 00:16:3e:16:fe:1c  txqueuelen 1000  (Ethernet)
        RX packets 6892683  bytes 3966380315 (3.6 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 4563976  bytes 1788715990 (1.6 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 519638  bytes 877405200 (836.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 519638  bytes 877405200 (836.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth16de1eb: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 4e:18:bc:85:a5:82  txqueuelen 0  (Ethernet)
        RX packets 194615  bytes 253931483 (242.1 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 190963  bytes 23646183 (22.5 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth565a332: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 2e:3a:68:39:e7:83  txqueuelen 0  (Ethernet)
        RX packets 1455  bytes 121494 (118.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3269  bytes 789488 (770.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth5cb66e9: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 56:3a:fd:23:be:42  txqueuelen 0  (Ethernet)
        RX packets 6981  bytes 15787184 (15.0 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 4176  bytes 837840 (818.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth6b064d0a: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 36:ed:34:c0:aa:49  txqueuelen 0  (Ethernet)
        RX packets 36387  bytes 11949215 (11.3 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 36011  bytes 63305450 (60.3 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth7f1076f: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether da:d8:aa:62:43:bf  txqueuelen 0  (Ethernet)
        RX packets 1872  bytes 16172734 (15.4 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1845  bytes 304479 (297.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth8e95d8c: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 16:a5:e1:0d:b6:85  txqueuelen 0  (Ethernet)
        RX packets 2302  bytes 7027589 (6.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3385  bytes 859469 (839.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth94572c3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 26:61:06:17:19:a8  txqueuelen 0  (Ethernet)
        RX packets 2042  bytes 5523198 (5.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1588  bytes 301502 (294.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

veth9840e07: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether aa:97:ac:5b:ed:72  txqueuelen 0  (Ethernet)
        RX packets 4371  bytes 9204746 (8.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2532  bytes 415220 (405.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vethb705aa5: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether ee:4d:c3:44:09:d9  txqueuelen 0  (Ethernet)
        RX packets 99329  bytes 63969237 (61.0 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 100272  bytes 11031172 (10.5 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vethb8e3499: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether da:0e:bb:a8:b0:ee  txqueuelen 0  (Ethernet)
        RX packets 1371  bytes 2186279 (2.0 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1710  bytes 165260 (161.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Expecting

I want to successfully access the container over the public ip address.