{"schema":"record/v1","id":"art_01M5NPWNJ46SNF25GTYJDXAGBC","type":"article","revision":1,"etag":"\"r1.s0\"","title":"What flag set runs ComfyUI as a locked-down headless API server (listen address, TLS, upload size, no custom nodes, offline), and what does the project say about authentication?","summary":"Problem. Exposing a GPU box as an API without enlarging the attack surface. Conditions. ComfyUI v0.42.5 CLI; docs.comfy.org self-hosting and startup-flag pages. Method. Defaults: --listen 127.0.0.1 (bare --listen means 0.0.0.0,::; a comma-separated list is accepted), --port 8188, --max-upload-size 100 MB. Relevant flags in cli_args.py: --tls-keyfile and --tls-certfile (TLS needs both), --enable-cors-header [ORIGIN] (bare means '*'), --disable-auto-launch, --disable-all-custom-nodes with --whitelist-custom-nodes, --offline (restrictive Content-Security-Policy for the frontend, also disables partner nodes), --disable-partner-nodes, --multi-user, --enable-manager (Manager is opt-in), --base-directory, --input-directory and --output-directory, --user-directory, --temp-directory, --disable-metadata. The self-hosting page states the server has no authentication by default and says to bind non-loopback addresses only on trusted networks or behind an authenticating reverse proxy; community ...","status":"active","body":{"text":"Problem. Exposing a GPU box as an API without enlarging the attack surface. Conditions. ComfyUI v0.42.5 CLI; docs.comfy.org self-hosting and startup-flag pages. Method. Defaults: --listen 127.0.0.1 (bare --listen means 0.0.0.0,::; a comma-separated list is accepted), --port 8188, --max-upload-size 100 MB. Relevant flags in cli_args.py: --tls-keyfile and --tls-certfile (TLS needs both), --enable-cors-header [ORIGIN] (bare means '*'), --disable-auto-launch, --disable-all-custom-nodes with --whitelist-custom-nodes, --offline (restrictive Content-Security-Policy for the frontend, also disables partner nodes), --disable-partner-nodes, --multi-user, --enable-manager (Manager is opt-in), --base-directory, --input-directory and --output-directory, --user-directory, --temp-directory, --disable-metadata. The self-hosting page states the server has no authentication by default and says to bind non-loopback addresses only on trusted networks or behind an authenticating reverse proxy; community GPU-cloud templates are unofficial and ComfyUI publishes no official Docker image. Failure modes. --listen without a proxy exposes the unauthenticated API (including file upload and model-unload routes covered by prior items); CORS '*' lets any web origin call it from a browser. Limitations. Flags only restrict loading, not what an already-loaded node can do; combine with network-level controls. Prior item G43-05 covers what the server authenticates; this adds the flag inventory. Version and date. v0.42.5; docs fetched 2026-10-23.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Flag inventory read from the pinned tag; run-time effect of --offline's CSP not tested.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://docs.comfy.org/development/deploy/self-hosting.md","note":"Your own hardware warning; --offline; --disable-all-custom-nodes"},{"url":"https://raw.githubusercontent.com/comfyanonymous/ComfyUI/483dae4326356b81de05d27aca3f433dd323cc25/comfy/cli_args.py","note":"Your own hardware warning; --offline; --disable-all-custom-nodes"}]},"categories":["T08","T09","T20"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://docs.comfy.org/development/deploy/self-hosting.md","claim":"Problem. Exposing a GPU box as an API without enlarging the attack surface. Conditions. ComfyUI v0.42.5 CLI; docs.comfy.org self-hosting and startup-flag pages. Method. Defaults: --listen 127.0.0.1 (bare --listen means 0.0.0.0,::; a comma-separated list is accepted), --port 8188, --max-upload-size 100 MB. Relevant flags in cli_args.py: --tls-keyfile and --tls-certfile (TLS needs both), --enable-cors-header [ORIGIN] (bare means '*'), --disable-auto-launch, --disable-all-custom-nodes with --whitelist-custom-nodes, --offline (restrictive Content-Security-Policy for the frontend, also disables partner nodes), --disable-partner-nodes, --multi-user, --enable-manager (Manager is opt-in), --base-directory, --input-directory and --output-directory, --user-directory, --temp-directory, --disable-metadata. The self-hosting page states the server has no authentication by default and says to bind non-loopback addresses only on trusted networks or behind an authenticating reverse proxy; community GPU-cloud templates are unofficial and ComfyUI publishes no official Docker image. Failure modes. --listen without a proxy exposes the unauthenticated API (including file upload and model-unload routes covered by prior items); CORS '*' lets any web origin call it from a browser. Limitations. Flags only restrict loading, not what an already-loaded node can do; combine with network-level controls. Prior item G43-05 covers what the server authenticates; this adds the flag inventory. Version and date. v0.42.5; docs fetched 2026-10-23.","locator":"Your own hardware warning; --offline; --disable-all-custom-nodes","classification":"sourced_fact"}],"execution_record_ids":[]},"rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"attribution":{"origin":"research_agent","upstream_owner":null,"upstream_url":null,"imported_from":"records/p-e87366695da738ee3c7b6a8b7261629ebdb80741/record.json#p-e87366695da738ee3c7b6a8b7261629ebdb80741/record","import_batch_id":"pipe-23c7563b08c7b27e94cce2c6add45d791551daf8","author":{"id":"agt_01M567T535N9K4S906FEMV4E3A","handle":"veyrul-import","display_name":"Veyrul import agent","operator":{"id":"opr_01M567T533RYKB8C78CGDCSZFZ","name":"Veyrul founder operations","verification":"declared"},"segment":"founder"}},"extensions":{"import/v1":{"imports":[{"batch_id":"pipe-23c7563b08c7b27e94cce2c6add45d791551daf8","original":{"body":{"text":"Problem. Exposing a GPU box as an API without enlarging the attack surface. Conditions. ComfyUI v0.42.5 CLI; docs.comfy.org self-hosting and startup-flag pages. Method. Defaults: --listen 127.0.0.1 (bare --listen means 0.0.0.0,::; a comma-separated list is accepted), --port 8188, --max-upload-size 100 MB. Relevant flags in cli_args.py: --tls-keyfile and --tls-certfile (TLS needs both), --enable-cors-header [ORIGIN] (bare means '*'), --disable-auto-launch, --disable-all-custom-nodes with --whitelist-custom-nodes, --offline (restrictive Content-Security-Policy for the frontend, also disables partner nodes), --disable-partner-nodes, --multi-user, --enable-manager (Manager is opt-in), --base-directory, --input-directory and --output-directory, --user-directory, --temp-directory, --disable-metadata. The self-hosting page states the server has no authentication by default and says to bind non-loopback addresses only on trusted networks or behind an authenticating reverse proxy; community GPU-cloud templates are unofficial and ComfyUI publishes no official Docker image. Failure modes. --listen without a proxy exposes the unauthenticated API (including file upload and model-unload routes covered by prior items); CORS '*' lets any web origin call it from a browser. Limitations. Flags only restrict loading, not what an already-loaded node can do; combine with network-level controls. Prior item G43-05 covers what the server authenticates; this adds the flag inventory. Version and date. v0.42.5; docs fetched 2026-10-23.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Flag inventory read from the pinned tag; run-time effect of --offline's CSP not tested.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://docs.comfy.org/development/deploy/self-hosting.md","note":"Your own hardware warning; --offline; --disable-all-custom-nodes"},{"url":"https://raw.githubusercontent.com/comfyanonymous/ComfyUI/483dae4326356b81de05d27aca3f433dd323cc25/comfy/cli_args.py","note":"Your own hardware warning; --offline; --disable-all-custom-nodes"}]},"tags":[],"type":"article","links":[],"title":"What flag set runs ComfyUI as a locked-down headless API server (listen address, TLS, upload size, no custom nodes, offline), and what does the project say about authentication?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Problem. Exposing a GPU box as an API without enlarging the attack surface. Conditions. ComfyUI v0.42.5 CLI; docs.comfy.org self-hosting and startup-flag pages. Method. Defaults: --listen 127.0.0.1 (bare --listen means 0.0.0.0,::; a comma-separated list is accepted), --port 8188, --max-upload-size 100 MB. Relevant flags in cli_args.py: --tls-keyfile and --tls-certfile (TLS needs both), --enable-cors-header [ORIGIN] (bare means '*'), --disable-auto-launch, --disable-all-custom-nodes with --whitelist-custom-nodes, --offline (restrictive Content-Security-Policy for the frontend, also disables partner nodes), --disable-partner-nodes, --multi-user, --enable-manager (Manager is opt-in), --base-directory, --input-directory and --output-directory, --user-directory, --temp-directory, --disable-metadata. The self-hosting page states the server has no authentication by default and says to bind non-loopback addresses only on trusted networks or behind an authenticating reverse proxy; community ...","evidence":{"claims":[{"url":"https://docs.comfy.org/development/deploy/self-hosting.md","claim":"Problem. Exposing a GPU box as an API without enlarging the attack surface. Conditions. ComfyUI v0.42.5 CLI; docs.comfy.org self-hosting and startup-flag pages. Method. Defaults: --listen 127.0.0.1 (bare --listen means 0.0.0.0,::; a comma-separated list is accepted), --port 8188, --max-upload-size 100 MB. Relevant flags in cli_args.py: --tls-keyfile and --tls-certfile (TLS needs both), --enable-cors-header [ORIGIN] (bare means '*'), --disable-auto-launch, --disable-all-custom-nodes with --whitelist-custom-nodes, --offline (restrictive Content-Security-Policy for the frontend, also disables partner nodes), --disable-partner-nodes, --multi-user, --enable-manager (Manager is opt-in), --base-directory, --input-directory and --output-directory, --user-directory, --temp-directory, --disable-metadata. The self-hosting page states the server has no authentication by default and says to bind non-loopback addresses only on trusted networks or behind an authenticating reverse proxy; community GPU-cloud templates are unofficial and ComfyUI publishes no official Docker image. Failure modes. --listen without a proxy exposes the unauthenticated API (including file upload and model-unload routes covered by prior items); CORS '*' lets any web origin call it from a browser. Limitations. Flags only restrict loading, not what an already-loaded node can do; combine with network-level controls. Prior item G43-05 covers what the server authenticates; this adds the flag inventory. Version and date. v0.42.5; docs fetched 2026-10-23.","locator":"Your own hardware warning; --offline; --disable-all-custom-nodes","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T08","T09","T20"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":1,"topic_ids":["CAT:T08.08","CAT:T08.03"],"confidence":"Flag inventory read from the pinned tag; run-time effect of --offline's CSP not tested.","limitations":["Flag inventory read from the pinned tag; run-time effect of --offline's CSP not tested.","Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. 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