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OpenConnect VPN client

AnyConnect Array Fortinet F5 GlobalProtect Juniper Pulse Secure

Protocols

OpenConnect was initially created to support Cisco's AnyConnect SSL VPN. This remains the default protocol used by the client, if not otherwise specified. See the --protocol option for how to use a different protocol with the command-line client.

The following pages document protocol-specific features and deficiencies:

• Details on support for Cisco's AnyConnect SSL VPN (--protocol=anyconnect). The OpenConnect VPN server, ocserv, now implements an improved version of this protocol.
• Details on support for Juniper SSL VPN (--protocol=nc)
• Details on support for Pulse Connect Secure SSL VPN (--protocol=pulse; most Pulse VPNs also support the older Juniper protocol, unless explicitly disabled)
• Details on support for Palo Alto Networks GlobalProtect SSL VPN (--protocol=gp)
• Details on support for F5 Big-IP SSL VPN (--protocol=f5; PPP-based)
• Details on support for Fortinet Fortigate SSL VPN (--protocol=fortinet; PPP-based)
• Details on support for Array Networks AG SSL VPN (--protocol=array)