Bowser is a modern, simple, and grokable SSH daemon built to act as a bastion and SSH certificate authority. Bastion provides users with a unobtrusive yet highly secure flow to SSH. Bowser was built at Discord.
- Three-Factor authentication using SSH keys, passwords, and TOTP
- Automatic generation of signed SSH keys and certificates for access to proxied servers
- Extensive logging to multiple outlets
- Simple, auditable codebase
{
"bind": "0.0.0.0:22",
"discord_webhooks": ["https://canary.discordapp.com/api/webhooks/255545515817566228/my_discord_webhook_token"]
}[
{
"username": "andrei",
"password": "$2a$15$QWu4umMh.ZRd5RtrMNkY4e0N197Uha8poioQsEn5spjz5brU8FIRK",
"ssh-keys": [
"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCooBb+XKzBkDbr2qc1NM5iTRoaKXtjZPS0l9eOD+szEowHX5P+Ab4uvWcs6KUPcbITBZK60AN3Pi6mt5sTUQuqkFOGJolh6sDXpiBis7bkxQoDe11oOeHfBBHE5YfUaa7naLopN0cSXTkusY/ReNQDvIjQVjfmwoGA2pW96wV1oqnPDHz8HRUcHjfTdjovWY8xMRO0ZsHuavOdk8O+FYaD8BIO3i0bIa/tFe56Eme2FuCN77PgsHVA0HTzMAUGNpZU0zYsk8B5pjpQQyScSpE2ZfF2JqxcTl4KrnxWA3XtDtD3+lPR7ryWy+qDgrf9UxkuP7FEdIE6yD4lZdu0UdcD [email protected]"
],
"mfa": {
"totp": "AAAAAAAAAAAAAAAA"
},
}
]Host bastion
Hostname bastion.my.corp
Port 22
ControlMaster auto
ControlPath /tmp/ssh-control-%r@%h:%p
ControlPersist 30m
Host credit-card-database1
Hostname credit-card-database1.my.corp
ProxyCommand ssh -W %h:%p bastion
This is caused by this OpenSSH bug. Upgrade your version of OpenSSH to resolve.
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