<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div>Hi,<br><br>With Nagios and its plug-ins, what is the best way to avoid customer's firewall from blocking the data transfer between centralized Nagios server and the NRPE or Plug-ins installed in customer's servers?<br><br>I basically don't want to change customer's security policies, but still allow the centralized remote monitoring to be in-placed with Nagios.<br><br>Thanks<br>SW<br></div></div></body></html>