<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META content="MSHTML 5.50.4611.1300" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=664511712-09122002><FONT face="Palatino Linotype">Is it possible to tunnel the traffic between Nagios and nrpe-Deamon via ssh (DSA-Keys) to avoid ip-spoofing? On which port is Nagios listening to the answers of nrpe-Deamon?</FONT></SPAN></DIV></BODY></HTML>