Port was filtered by ISP.
端口由ISP过滤。
The problem is that HTTPS 443 port isn't accessible from internet, but it is open in our local network. Our iSeries v5r4 is connected to inet via L2TP withot IPSec. If no packet filters are active, nmap shows that ports 25, 80, 110 and even 10322 (WAS admin console) have state 'open' on internet IP address. 443 have state 'filtered'.The pro
