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docker-ssh-bastion
réplica de https://github.com/fphammerle/docker-ssh-bastion/
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dependabot[bot] e39baa468f build(deps): bump docker/build-push-action from 5.1.0 to 5.2.0 (#74) hai 8 meses
.github e39baa468f build(deps): bump docker/build-push-action from 5.1.0 to 5.2.0 (#74) hai 8 meses
CHANGELOG.md e40e029114 sshd: no longer accept RSA keys < 2048 bits for authentication %!s(int64=2) %!d(string=hai) anos
Dockerfile 203cf151e2 build(deps): bump alpine from 3.19.0 to 3.19.1 (#72) hai 9 meses
Makefile e4c6cd4cd0 added makefile to facilitate building, tagging & pushing container images %!s(int64=3) %!d(string=hai) anos
README.md 93febe8d67 readme samples: consistently use port 2222 %!s(int64=5) %!d(string=hai) anos
docker-compose.yml 86dbe52ebe docker-compose: mount user config including authorized_keys %!s(int64=5) %!d(string=hai) anos
entrypoint.sh 245f093c25 replace `passwd -u` to avoid empty passwords %!s(int64=5) %!d(string=hai) anos
sshd_config e40e029114 sshd: no longer accept RSA keys < 2048 bits for authentication %!s(int64=2) %!d(string=hai) anos

README.md

Docker: OpenSSH-Server Restricted to TCP Forwarding 🐳

Docker Hub: https://hub.docker.com/r/fphammerle/ssh-bastion

Example: Share Web Server

bastion $ docker run --name ssh-bastion -p 2222:22 -e USERS=alice,bob fphammerle/ssh-bastion
bastion $ docker cp alice-keys ssh-bastion:/home/alice/.ssh/authorized_keys
bastion $ docker cp bob-keys ssh-bastion:/home/bob/.ssh/authorized_keys
alice $ ssh -N -R 28080:localhost:8080 -p 2222 bastion
bob $ ssh -N -L 8081:localhost:28080 -p 2222 bastion
bob $ curl http://localhost:8081/hello_bob.html

Example: SSH Jump Host

$ docker run --name ssh-bastion \
    --publish 2222:22 --env USERS=alice,bob \
    --volume bastion-host-keys:/etc/ssh/host_keys \
    --volume alice-ssh-config:/home/alice/.ssh:ro \
    --volume bob-ssh-config:/home/bob/.ssh:ro \
    --init --rm \
    fphammerle/ssh-bastion
$ ssh -N -R 22221:localhost:22 -p 2222 alice@bastion
$ ssh -J bob@bastion:2222 -p 22221 localhost

Docker Compose 🐙

  1. git clone https://github.com/fphammerle/docker-ssh-bastion
  2. Adapt $USERS and volumes in docker-compose.yml
  3. docker-compose up