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This article mainly introduces the relevant knowledge of "what are the configuration parameters of PPTP". The editor shows you the operation process through an actual case, and the operation method is simple, fast and practical. I hope this article "what are the configuration parameters of PPTP" can help you solve the problem.

PPTP is a new enhanced security protocol developed on the basis of PPP protocol, which supports multi-protocol virtual private network (VPN). The security can be enhanced by password authentication protocol (PAP), extensible authentication protocol (EAP) and so on.

Specify options file option option-file

Function: specify an options file that serves as the command line argument when the pptpd process starts. The effect is the same as using the "- option" option to specify parameters when executing the pptpd command.

Prevent DoS from attacking stimeout seconds

Function: the time for the derived pptpctrl process to process client connections, such as client PPTP packets, in seconds. The default is 10 seconds. This option is mainly used to prevent DoS attacks.

Start debug mode debug

Function: start debug mode.

Broadcast packet relay function bcrelay internal-interface

Function: whether the broadcast packet relay function is enabled. If enabled, broadcast packets received from the internal-interface interface are forwarded to the client.

Restrict client connections to connections n

Function: limit the number of client connections. Default is 100. If the IP is assigned to the client by pptpd, the client connection cannot be established after the address is divided.

IP address assignment delegate

Function: by default, this item does not exist. At this point, the pptpd process manages the allocation of IP addresses, and it will assign the next divisible IP to the client. If this item exists, the pptpd process is not responsible for the allocation of IP addresses, and the pptp process corresponding to the client is assigned in radius or chap-secrets mode.

Specify the local side IPlocalip ip-specification

Function: the IP address used on the local side of the PPP connection tunnel. If only one is specified, all clients correspond to this address; otherwise, each client must correspond to a different server address. When the server address is used up, the client connection will be denied. This item is invalidated if the delegate option is used.

Assign remote IP address remoteip ip-specification

Function: specify the IP address assigned to the remote client, and each connected client must be assigned an IP address, taking into account the connecyions option. This item is invalidated if the delegate option is used.

Client raw IP passes noipparam

Function: by default, the original IP address of the client is passed to the ip-up script. If the item exists, it is not passed.

Specify the network interface IP address listen ip-address

Function: specify the IP address of the local network interface, and the pptpd process will only listen to the PPTP connection of this network interface. By default, all local interfaces are listening.

PID file pidfile pid-file

Function: specify the location and file name of the process PID file.

PPTP connection speed speed speed

Function: specify the speed of PPTP connection. Default is 115200bps. This option is not valid on Linux systems.

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