assoc Application Type

1.3.6.1.2.1.27.2.1.4

This indicates whether the remote application is some type of client making use of this network service (e.g., a Mail User Agent) or a server acting as a peer. Also indicated is whether the remote end initiated an incoming connection to the network service or responded to an outgoing connection made by the local application. MTAs and messaging gateways are considered to be peers for the purposes of this variable.