for logs
Increase logging for : 0051 Port Manager, 0046 HTTP, 0047 HTTPS Listeners, under settings > Logging
for monitoring:
check if you can extract some details using “wm.server.ports:listListeners” - listeners/listeners/curDelay
if you can extract details, then build a monitoring service with alerts out of it based on your requirement
also check these
wm.server.ports:getAllRGConnections
wm.server.ports:listListeners
wm.server.ports:listRGConnections
#API-Gateway#webMethods#API-Management