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_firewall_config.py: add NI services to default firewall configuration #50

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merged 4 commits into from
Dec 16, 2024
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_firewall_config.py: add NI services to default firewall configuration #50

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840c4b9
_firewall_config.py: allow NTP through public network
rtollert Dec 16, 2024
dca9cb4
_firewall_config.py: allow outbound SystemLink traffic through VPN
rtollert Dec 16, 2024
9c57773
_firewall_config.py: add inbound support for base NI services over VPN
rtollert Dec 16, 2024
504fa34
CHANGELOG.md: update for firewall features
rtollert Dec 16, 2024
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3 changes: 3 additions & 0 deletions docs/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
* The `configure` operation now installs `libpwquality` and enables password quality checks. (#11)
* The `configure` operation now installs and configures `tmux` as the shell, including adding a 15 minute inactivity lock (#17)
* Added a `verify` operation to non-destructively check that the system is still SNAC-compliant. (#15)
* The `configure` operation installs `firewalld` with explicit control over both inbound and outbound
traffic. (#29)
* `firewalld` is configured to permit selected NI service traffic over wireguard. (#50)

### Changed

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15 changes: 15 additions & 0 deletions nilrt_snac/_configs/_firewall_config.py
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Expand Up @@ -39,6 +39,7 @@ def configure(self, args: argparse.Namespace) -> None:
self._opkg_helper.install("firewalld")
self._opkg_helper.install("firewalld-offline-cmd")
self._opkg_helper.install("firewalld-log-rotate")
self._opkg_helper.install("ni-firewalld-servicedefs")

_offlinecmd("--reset-to-defaults")

Expand Down Expand Up @@ -90,9 +91,23 @@ def configure(self, args: argparse.Namespace) -> None:
"--add-service=https",
"--add-service=wireguard",
"--add-service=dns",
"--add-service=ntp",
)
_offlinecmd("--policy=public-out", "--set-target=REJECT")

_offlinecmd("--policy=work-in",
"--add-service=ni-labview-realtime",
"--add-service=ni-labview-viserver",
"--add-service=ni-logos-xt",
"--add-service=ni-mxs",
"--add-service=ni-rpc-server",
"--add-service=ni-service-locator",
)
_offlinecmd("--policy=work-out",
"--add-service=amqp",
"--add-service=salt-master",
)

_cmd("--reload")

def verify(self, args: argparse.Namespace) -> bool:
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