Choosing which IP to connect from (with bind()) allows the user to choose which domain name to appear as on IRC. This is to accomodate users with many IP addresses assigned to their machine, each with a different 'vanity' domain name assigned to it. The NFS protocol has similar trust relationships, and similarly the client makes connections from a low port number, using bind().Īnother example is IRC clients that allow the user to specify a particular source IP address to connect from. This required that the client program connect from a low port (a port less than 1024), because such ports are restricted to the root user and thus (in theory) prove that the client being used is authorised by the system administrator.

These clients were intended to be used within networks with strong trust relationships - in some cases the server machine trusts the client machine to tell it the username of the user that is connecting. This is a formal issue tracking platform - please keep issues and comments on. Please search previous issues before opening a new one - your problem may already have been raised.

Issues not relating to the Client or API will be closed. Issues raised without adequate information will be closed. A classic example of a client program using bind() is the (obsolete) rlogin / rsh family of network clients. Issues are used to track bugs and feature requests.

Failed to bind to client runemate