Hello,
I try to redo my network settings on a lab test. But now all my containers does not have access to internet/network anymore. They can communicate between each others and I can access containers from outside but they cannot go outside on the network/internet.
I did a mistake and try to delete a system network. I think this is the root of the problem 
Some help is needed if you understand 
Informations :
- docker version :
Client: Docker Engine - Community
Version: 23.0.6
API version: 1.42
Go version: go1.19.9
Git commit: ef23cbc
Built: Fri May 5 21:18:12 2023
OS/Arch: linux/amd64
Context: default
Server: Docker Engine - Community
Engine:
Version: 23.0.6
API version: 1.42 (minimum version 1.12)
Go version: go1.19.9
Git commit: 9dbdbd4
Built: Fri May 5 21:18:12 2023
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.6.21
GitCommit: 3dce8eb055cbb6872793272b4f20ed16117344f8
runc:
Version: 1.1.7
GitCommit: v1.1.7-0-g860f061
docker-init:
Version: 0.19.0
GitCommit: de40ad0
- docker network ls
NETWORK ID NAME DRIVER SCOPE
3d02ced7e3e7 bridge bridge local
6f89c1c45c35 host host local
8eddfdb9a8c9 nginx-proxy-container_default bridge local
d877c510ac4e none null local
69fe1f8acab2 onlyoffice-docserver_default bridge local
- inspect :
[
{
"Name": "bridge",
"Id": "3d02ced7e3e754434f9f422de3df38b72f34843d56620db830be254acd1c8dc0",
"Created": "2023-05-16T16:37:02.712030806+02:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.0.0.0/24",
"Gateway": "172.0.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
},
"Labels": {}
},
{
"Name": "host",
"Id": "6f89c1c45c356f28b660d5e1d832dda23f49b333eaf3a192928cd2e640900a31",
"Created": "2022-11-10T17:01:14.104949549+01:00",
"Scope": "local",
"Driver": "host",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": []
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
},
{
"Name": "nginx-proxy-container_default",
"Id": "8eddfdb9a8c965d0ec309ef6c1f2933054ae5d009ef35cd7d6d200ea5ec5a13a",
"Created": "2022-11-10T17:11:27.804141901+01:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": true,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"1ca883d265891d93dc223451126f7c825404d9f8eb6fd6064ef7a9475c9585f4": {
"Name": "mariadb",
"EndpointID": "1e79ae7916b235ad642092a4be6c078067e8ef790e578b7c1b3e19be50622d4e",
"MacAddress": "02:42:ac:12:00:07",
"IPv4Address": "172.18.0.7/16",
"IPv6Address": ""
},
"3a0ffe724bacccc6404e0cb3043ac1fb356a298f752c899bc28d03e77c5a28cb": {
"Name": "vaultwarden",
"EndpointID": "edfbacea6dd3fa925bda6a0c907c479e62e5c00e2659678a5691c288ef7e52d2",
"MacAddress": "02:42:ac:12:00:03",
"IPv4Address": "172.18.0.3/16",
"IPv6Address": ""
},
"4d7d072a91945a529520618ec5e732807ce39792786f3f401a48a96bef0cb9f7": {
"Name": "nextcloud_optima-nextcloud_db-1",
"EndpointID": "8bb4030795146e7b27bfb5bf57f187f443bd709cde08034fb6e98af73fb5699d",
"MacAddress": "02:42:ac:12:00:02",
"IPv4Address": "172.18.0.2/16",
"IPv6Address": ""
},
"5d65c9909e8a424ca54cb4440c07965b6bc8026e079caedadab9b06727035e1e": {
"Name": "nginx-proxy-container_app_1",
"EndpointID": "8d03ff215b0a3514b660c4e8f326ab0c53be275a946d7b41d19d56447fa42a05",
"MacAddress": "02:42:ac:12:00:04",
"IPv4Address": "172.18.0.4/16",
"IPv6Address": ""
},
"7c9a7011a83e69260e433ce22b67e306f297ce9778e06fc6809ecec75bc12ba2": {
"Name": "gitlab-ce-web-1",
"EndpointID": "b85ceec5c1b02cb92b14ee5cf53b743063fc4597c661a5bee02be727cd01b5be",
"MacAddress": "02:42:ac:12:00:06",
"IPv4Address": "172.18.0.6/16",
"IPv6Address": ""
},
"9dd8819c918bf70b3e64ba3988e6cb16861e3c5f6e4f3575c9ee7b6a70a99183": {
"Name": "nextcloud_optima-app-1",
"EndpointID": "9e87575802d18dd5321bf96c2b0cb19ead02bb239e42ce5746f3e96e7350dca7",
"MacAddress": "02:42:ac:12:00:08",
"IPv4Address": "172.18.0.8/16",
"IPv6Address": ""
},
"b035d5295c5e847b832616fb1d564924be56dd797dd8d1265c2972223e047902": {
"Name": "portainer",
"EndpointID": "a12618e2c669b65f7ae9366ba3c5455d7bc1b25c764de64646fc10bc407d834b",
"MacAddress": "02:42:ac:12:00:05",
"IPv4Address": "172.18.0.5/16",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {
"com.docker.compose.network": "default",
"com.docker.compose.project": "nginx-proxy-container"
}
},
{
"Name": "none",
"Id": "d877c510ac4e1af703849638c566989d9b857bf48f2ea59b52e2ae955ed92e56",
"Created": "2022-11-10T17:01:14.091803582+01:00",
"Scope": "local",
"Driver": "null",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": []
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
}
]
Thank you for your help