Unable to Connect to RED15

Question

Hi Everyone 
 We have UTM9 configured with two external NICs and one internal NIC. 
 External NIC #1: Managed Internet WAN with PPTP port only open. Connected to router and behind an external IBM firewall. 
 External NIC #2: Directly connected via IPoE. No external Firewall, and confirmed no external ports are blocked via ISP. 
 Via NIC #2 we have SSL VPN which is working great (only connects via UDP not TCP) 
 
 The problem: 
 1. Unable to access user portal via NIC#2 external IP address. (Yes user portal access is set to *any* network. and can access the portal via external ip on internal network) 
 2. Unable to ping external IP address 
 3. Unable to sync RED15 device (have plugged into internal network, connects, gives DHCP etc fine - any network otherwise it doesn't connect) 
 4. I have researched and researched and haven't come up with any solutions. 
 
 Anything I am doing wrong? 
 
 *edit* 
 I have followed Rulz #1 
 Can see the pings in Firewall Log from external network. 
 [SYN] len=60 ttl=64 tos=0x00 
 [ACK SYN] len=60 ttl=64 tos=0x00 
 Ping from external IP shows failed ping 
 IPS is off 
 Web Filtering is off 
 Intrusion Protection is off 
 Advanced Threat Protection is off

sachingurung · Answer

Hi Josh, 
 The community runs on a simple policy of one question per thread. It helps other members to quickly find the solution for a specific question. 
 
 Verify, traffic on port 443(default user portal port) is allowed IN towards the external IP address on the UTM from the upstream firewall/router, if any. You can confirm this by running tcpdump on the external interface for port 443. If there is no traffic hitting on the external interface than please check your local routing. 
 Ping on UTM is allowed from Network Protection | Firewall | ICMP. Refer to Sophos UTM: Understanding ICMP settings . 
 3rd quetion is a bit confusing can you please try to elaborate it with a new thread. 
 
 Thanks