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AdmincraftA
Admincraft•3mo ago•
48 replies
Lup @ Discrealms.net

Blocked Port Upstream, Pebble Refuses Support

Hello Admincraft, I have found out that Simple Voicechat does not work on a pebblehost VPS server. I ran multiple tests, even having 3 different people try the same tests and come up with their own solutions, however to no avail, we were not sucessful.

Here are our findings will attempting to fix SimpleVoicechat:

TCPDump:
user@machine:~# sudo tcpdump -n -i any udp port 25586
tcpdump: data link type LINUX_SLL2
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length 262144 bytes
0 packets captured
29 packets received by filter
0 packets dropped by kernel
user@machine:~# sudo tcpdump -n -i any udp port 25586
tcpdump: data link type LINUX_SLL2
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length 262144 bytes
0 packets captured
29 packets received by filter
0 packets dropped by kernel


Nmap:
user@machine:~# nmap -sU -p 25586 198.50.250.196
Starting Nmap 7.94SVN ( https://nmap.org ) at 2025-11-08 12:58 EST
Nmap scan report for ip196.ip-198-50-250.net (198.50.250.196)
Host is up.

PORT      STATE         SERVICE
25586/udp open|filtered unknown

Nmap done: 1 IP address (1 host up) scanned in 2.10 seconds
user@machine:~# nmap -sU -p 25586 198.50.250.196
Starting Nmap 7.94SVN ( https://nmap.org ) at 2025-11-08 12:58 EST
Nmap scan report for ip196.ip-198-50-250.net (198.50.250.196)
Host is up.

PORT      STATE         SERVICE
25586/udp open|filtered unknown

Nmap done: 1 IP address (1 host up) scanned in 2.10 seconds


nc:
user@machine:~# nc -vzu 198.50.250.196 25586
Connection to 198.50.250.196 25586 port [udp/*] succeeded!
user@machine:~# nc -vzu 198.50.250.196 25586
Connection to 198.50.250.196 25586 port [udp/*] succeeded!


Simple Voicechat's Port Checker:
Port Checker
Checking if the port of voice chat server 198.50.250.196:25586 is open.
Pinging voice chat server '198.50.250.196:25586'
Using ping protocol version 1
Resolved address to '198.50.250.196' and port to '25586'
[1/10] No response
[2/10] No response
[3/10] No response
[4/10] No response
[5/10] No response
[6/10] No response
[7/10] No response
[8/10] No response
[9/10] No response
[10/10] No response
Timed out after 10 attempts
Pinging voice chat server '198.50.250.196:25586'
Using ping protocol version 1
Resolved address to '198.50.250.196' and port to '25586'
[1/10] No response
[2/10] No response
[3/10] No response
[4/10] No response
[5/10] No response
[6/10] No response
[7/10] No response
[8/10] No response
[9/10] No response
[10/10] No response
Timed out after 10 attempts


Ports tried:
19132
19132
,
24454
24454
,
25586
25586

Environments Attempted:
- Paper (Non-docker)
- Velocity -> Paper (Docker/Pterodactyl)
- Paper (Docker/Pterodactyl)
- Folia (Docker/Pterodactyl)
- Velocity -> Folia (Docker/Pterodactyl)

Software Used:
- Elytra (Fork of Wings)
- Pyrodactyl (Fork of Pterodactyl)
Solution
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