1. Openttd Can't Find Server
2. Openttd Server Port Forward
3. Openttd Server Setup
4. Openttd How To Play
5. Openttd Server Ports
6. Openttd Server Hosting
7. Openttd Server Portal

Openttd Can't Find Server

Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol, the most commonly used protocol on the Internet and any TCP/IP network. TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP.
UDP ports use the Datagram Protocol. Like TCP, UDP is used in combination with IP (the Internet Protocol) and facilitates the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data.
When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them. This can be accomplished in both Windows command prompt and Linux variants using the 'netstat -aon' command. We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software. For more detailed and personalized help please use our forums.

Openttd Server Port Forward

• SG Ports Database » Vulnerable Ports
• SG Security Scan » Scanned Ports » Commonly Open Ports

Openttd Server Setup

hello
i have vultr vps with archlinux and i started open transport tycon dedicated server on port archrulez.org:3979
Vk messenger for mac. everything works fine except server advertising. after some time, when the server is not used (it runs but without players) the server disapear from public server list (both ingame and web page).
i asked on openttd forum ( https://www.tt-forums.net/viewtopic.php?f=31&t=73691 ) and someone sugested, that the problem is in firewal and that udp port is blocked. i dont have any firewall or iptable installed, but when i tried nmap command i got answer, that nmap canot determine if the port is open or filtered.

(nmaping from vps)

Openttd How To Play

on my home computer i tried same openttd server, whch listened on all interfaces, but the result was same: Escape 2 for mac.

when i try probe tcp port, then the answer is open.

so how can i determine if the udp port is open or not? and why is the answer open/filtered when i try nmap localhost?

Openttd Server Ports

Openttd Server Hosting

thanks for answer and sorry for my bad english;)

Openttd Server Portal

Last edited by quandasim (2015-09-16 22:34:47)