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sing-box-extended-mirror/docs/configuration/endpoint/openconnect.md
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2026-08-30 17:41:43 +08:00

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# OpenConnect Client
!!! question "Since sing-box 1.14.0"
==Client only==
## Structure
```json
{
"type": "openconnect",
"tag": "oc-client",
"system": false,
"name": "",
"server": "vpn.example.com",
"flavor": "anyconnect",
"username": "",
"password": "",
"auth_group": "",
"token": {
"mode": "",
"secret": "",
"pin": "",
"password": "",
"device_id": "",
"counter": 0
},
"reported_os": "",
"user_agent": "",
"csd": {
"wrapper_path": ""
},
"hip": {
"wrapper_path": ""
},
"tncc": {
"wrapper_path": "",
"device_id": "",
"user_agent": "",
"machine_identification_enabled": false,
"certificates": [
{
"certificate": [],
"certificate_path": ""
}
]
},
"no_udp": false,
"allow_insecure_crypto": false,
"tls": {
"certificate_authority": [],
"certificate_authority_path": "",
"client_certificate": [],
"client_certificate_path": "",
"client_key": [],
"client_key_path": "",
"client_key_password": "",
"mca_certificate": [],
"mca_certificate_path": "",
"mca_key": [],
"mca_key_path": "",
"mca_key_password": ""
},
"form_entries": [
{
"form_id": "",
"submission_key": "",
"name": "",
"value": "",
"promote": false
}
],
... // Dial Fields
}
```
!!! note ""
You can ignore the JSON Array [] tag when the content is only one item.
## Fields
### system
Use a system interface.
Requires privilege and cannot conflict with existing system interfaces.
If disabled, sing-box uses the internal network stack.
### name
Custom interface name for the system interface.
An automatically generated `oc` interface name is used by default.
### server
==Required==
OpenConnect VPN server HTTPS URL.
The `https://` scheme is added if omitted. URL user information, queries, and fragments are not supported.
### flavor
OpenConnect protocol flavor, one of `anyconnect`, `gp`, `fortinet`, `f5`, `pulse`, or `nc`.
`anyconnect` is used by default.
### username
Username used to fill matching authentication form fields.
### password
Password used to fill matching authentication form fields.
### auth_group
Authentication group used to preselect a matching group, realm, domain, or gateway choice when supported by the selected flavor.
### token
Software token configuration for automatically answering matching token fields.
### token.mode
==Required==
Software token mode, one of:
- `totp`: Time-based One-Time Password.
- `hotp`: HMAC-based One-Time Password.
- `stoken`: RSA SecurID software token.
### token.secret
==Required==
Software token secret.
For `totp` and `hotp`, this can be a Base32 secret, a `base32:`-prefixed secret, or an `otpauth://` URI of the matching type.
For `stoken`, this is the encoded RSA SecurID CTF token content.
### token.pin
RSA SecurID PIN for `stoken` mode.
### token.password
Password for decrypting a password-protected RSA SecurID token in `stoken` mode.
### token.device_id
Device ID for decrypting a device-bound RSA SecurID token in `stoken` mode.
### token.counter
Initial counter for `hotp` mode.
If zero, the counter from an `otpauth://` URI is used when present; otherwise the counter starts at zero.
### reported_os
Operating system identity reported to the VPN server when supported by the selected flavor.
For `anyconnect`, `gp`, and `pulse`, the supported values are `linux`, `linux-64`, `win`, `mac-intel`, `android`, and `apple-ios`.
`anyconnect` uses `linux-64` by default. `gp` and `pulse` select a value based on the system platform by default.
### user_agent
User agent reported to the VPN server when supported by the selected flavor.
The default is flavor-specific.
### csd
AnyConnect CSD/host scan compliance options.
Built-in CSD handling is used by default when requested by the server.
### csd.wrapper_path
Path to an external AnyConnect CSD wrapper executable.
Built-in CSD handling is used if empty.
### hip
GlobalProtect HIP check and report options.
Built-in HIP reporting is used by default when requested by the server.
### hip.wrapper_path
Path to an external GlobalProtect HIP report wrapper executable.
Built-in HIP reporting is used if empty.
### tncc
Network Connect TNCC compliance options.
Built-in TNCC handling is used by default when requested by the server.
### tncc.wrapper_path
Path to an external Network Connect TNCC wrapper executable.
Built-in TNCC handling is used if empty.
Conflict with `tncc.device_id`, `tncc.user_agent`, `tncc.machine_identification_enabled`, and `tncc.certificates`.
### tncc.device_id
Device ID reported by the built-in TNCC handler.
Conflict with `tncc.wrapper_path`.
### tncc.user_agent
User agent used by the built-in TNCC handler.
`Neoteris HC Http` is used by default.
Conflict with `tncc.wrapper_path`.
### tncc.machine_identification_enabled
Enable built-in TNCC machine identification, including the platform, hostname, and observed MAC addresses.
Conflict with `tncc.wrapper_path`.
### tncc.certificates
Machine certificates used by the built-in TNCC handler to answer certificate requests.
Requires `tncc.machine_identification_enabled`.
Conflict with `tncc.wrapper_path`.
### tncc.certificates.certificate
TNCC machine certificate content in PEM format.
Conflict with `tncc.certificates.certificate_path`.
### tncc.certificates.certificate_path
TNCC machine certificate path in PEM format.
Conflict with `tncc.certificates.certificate`.
### no_udp
Disable the DTLS or ESP secondary data channel and use the TLS data channel only.
### allow_insecure_crypto
Allow deprecated TLS and DTLS versions and cipher suites required by legacy VPN servers.
Disabled by default. This option does not disable server certificate verification.
### tls
OpenConnect TLS configuration.
### tls.certificate_authority
Additional trusted CA certificate content in PEM format.
The certificates are added to the system certificate pool.
Conflict with `tls.certificate_authority_path`.
### tls.certificate_authority_path
Path to additional trusted CA certificates in PEM format.
The certificates are added to the system certificate pool.
Conflict with `tls.certificate_authority`.
### tls.client_certificate
Client certificate chain content in PEM format.
Conflict with `tls.client_certificate_path`.
### tls.client_certificate_path
Client certificate chain path in PEM format.
Conflict with `tls.client_certificate`.
### tls.client_key
Client private key content in PEM format.
Conflict with `tls.client_key_path`.
### tls.client_key_path
Client private key path in PEM format.
Conflict with `tls.client_key`.
The client certificate and key must both be set or both be empty.
### tls.client_key_password
Password for the encrypted client private key.
### tls.mca_certificate
AnyConnect multiple-certificate authentication (MCA) certificate chain content in PEM format.
Conflict with `tls.mca_certificate_path`.
### tls.mca_certificate_path
AnyConnect multiple-certificate authentication (MCA) certificate chain path in PEM format.
Conflict with `tls.mca_certificate`.
### tls.mca_key
AnyConnect multiple-certificate authentication (MCA) private key content in PEM format.
Conflict with `tls.mca_key_path`.
### tls.mca_key_path
AnyConnect multiple-certificate authentication (MCA) private key path in PEM format.
Conflict with `tls.mca_key`.
The MCA certificate and key must both be set or both be empty.
### tls.mca_key_password
Password for the encrypted MCA private key.
### form_entries
Authentication form field overrides.
An entry matches by `submission_key` when set, or by the combination of `form_id` and `name`. Later matching entries take precedence.
### form_entries.form_id
Authentication form identifier used with `form_entries.name` when `form_entries.submission_key` is empty.
### form_entries.submission_key
Authentication field submission key.
Either `form_entries.submission_key` or both `form_entries.form_id` and `form_entries.name` are required.
### form_entries.name
Authentication field name used with `form_entries.form_id` when `form_entries.submission_key` is empty.
### form_entries.value
Value supplied automatically for the matching authentication field.
Conflict with `form_entries.promote`.
### form_entries.promote
Ask for the matching authentication field interactively instead of supplying an automatic value.
Conflict with `form_entries.value`.
## Dial Fields
See [Dial Fields](/configuration/shared/dial/) for details.
## Interactive authentication
Use `Tools` > `Endpoints` in the sing-box dashboard or any sing-box graphical client to authenticate and manage the endpoint.