Oct 10, 2018

Jun 11, 2018 server unreachable - Xfinity Help and Support Forums - 3347331 Re: server unreachable Yes, I'm having the same issue connecting to my email account via Thunderbird on my Windows PC. It's configured to check incoming emails via POP3 connection via port 110 and connection security = STARTTLS. NBNS (Name query NBSTAT) and ICMP protocol - Wireshark Q&A Hi all, I'm new here so hope this question is understandable enough. I was advised by a game server admin that there was an additional connection connecting in association with my own IP from 75.137.221.58 which was causing issues with the server. We … destination host unreachable Mar 19, 2015

The Log shows 'Destination Unreachable' messages | SonicWall

The ICMP - Destination host unreachable message is one which a user would usually get from the remote gateway when the destination host is unreachable. If, in the destination host, the IP module cannot deliver the packet because the indicated protocol module or process port is not active, the destination host may send an ICMP destination Internet Control Message Protocol - Wikipedia Destination unreachable is generated by the host or its inbound gateway to inform the client that the destination is unreachable for some reason. Reasons for this message may include: the physical connection to the host does not exist (distance is infinite); the indicated protocol or port is not active; the data must be fragmented but the 'don icmp port unreachable - Cisco Community

Monitoring Linux problem - SNMP port not reachable

From 192.168.1.15 icmp_seq=1 Destination Port Unreachable Clearly it's using the static route I assigned. The problem seems to be that the OpenWRT router doesn't know how to route packets to 192.168.2.4, which is strange because that IP is directly connected to that router. The Rabbit is capable of sending UDP packets to the remote machine, but when I try make the remote terminal request data on port 10, there is no response. I have set up Wireshark to monitor the network traffic, and it shows an ICMP message from Rabbit saying "Destination unreachable (port unreachable)" as a reply to the request from the remote 10.10.10.1 10.10.10.2 UDP UDP:SrcPort=49875,DstPort=3343 10.10.10.2 10.10.10.1 ICMP ICMP:Destination Unreachable Message, Port Unreachable,10.10.10.2:3343 During the course of troubleshooting connectivity issue, you might also see in the network trace that a machine receives packets but does not respond to. Oct 10, 2018 · How to check UDP port is open or not? Follow below steps to check if UDP port is open or closed: Open a packet sniffer. Send a User Datagram Protocol (UDP) packet. After sending the UDP packet, if you receive ‘ICMP port unreachable’ message, then the UDP port is closed. If not, then the UDP port is open or something is blocking the ICMP. The ICMP - Destination host unreachable message is one which a user would usually get from the remote gateway when the destination host is unreachable. If, in the destination host, the IP module cannot deliver the packet because the indicated protocol module or process port is not active, the destination host may send an ICMP destination ICMP Port unreachable is a code 3 within type 3 3.3. Port Unreachable - generated if the designated transport protocol (e.g., UDP) is unable to demultiplex the datagram in the transport layer of the final destination but has no protocol mechanism to inform the sender