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Services Exposed to the Internet - wizzdom

Firstly, it's important to mention that Redbrick is currently split in 2 parts:

  • Redbrick 2.0 a.k.a. "old redbrick" (on 136.206.15.0/24)
  • Aperture a.k.a. "new redbrick" (on 136.206.16.0/24)

Old Redbrick

  • azazel - 136.206.15.24
    • OS: Debian 10
    • Services:
      • primary ssh login box for users (see Logging in)
      • jump-box for admins
  • pygmalion - 136.206.15.25
    • OS: Ubuntu 18.04 LTS
    • Services:
      • secondary ssh login box for users (see Logging in)
      • jump-box for admins
  • motherlode - 136.206.15.250
  • hardcase - 136.206.15.3
    • OS: NixOS 22.05
    • Services:
      • apache httpd:
      • email (postfix and dovecot)
      • mailing lists (mailman)
      • *.redbrick.dcu.ie also points here
  • paphos - 136.206.15.53
    • OS: Ubuntu 14.04 LTS
    • Services:

Aperture

In aperture, things are done a little differently than on the other network. Instead of having a single host per service, aperture is configured to allow services to be allocated dynamically across all 3 servers using nomad, consul and traefik.