ollama

Ollama CORS & LAN Access

Environment Variables

Set OLLAMA_HOST=0.0.0.0:11434 to allow LAN access, and OLLAMA_ORIGINS=* to allow all cross-origin requests.

macOS

Ollama runs as a GUI app managed by launchd. Environment variables in ~/.zshrc do not affect it.

Set Environment Variables

launchctl setenv OLLAMA_HOST "0.0.0.0:11434"launchctl setenv OLLAMA_ORIGINS "*"

Then quit and relaunch Ollama from the menu bar.

Note: launchctl setenv does not persist across reboots. To persist, run ollama serve manually or create a LaunchAgent plist.

Verify

curl http://localhost:11434/api/version

Windows

Set Environment Variables

[System.Environment]::SetEnvironmentVariable("OLLAMA_HOST", "0.0.0.0:11434", "User")[System.Environment]::SetEnvironmentVariable("OLLAMA_ORIGINS", "*", "User")

Then quit and relaunch Ollama from the Start menu.

Firewall

New-NetFirewallRule -DisplayName "Ollama API" -Direction Inbound -Protocol TCP -LocalPort 11434 -Action Allow

Verify

curl http://127.0.0.1:11434/api/version

Linux

Ollama runs as a systemd service. Use systemctl edit to configure environment variables. The host-level commands below assume you are already running in a root shell.

Set Environment Variables

systemctl edit ollama.service

Add the following content:

[Service]Environment="OLLAMA_HOST=0.0.0.0:11434"Environment="OLLAMA_ORIGINS=*"

Then reload and restart:

systemctl daemon-reloadsystemctl restart ollama

Firewall

# UFWufw allow 11434/tcp
# firewalldfirewall-cmd --permanent --add-port=11434/tcpfirewall-cmd --reload

Verify

curl http://localhost:11434/api/version

OLLAMA_ORIGINS