* Originally in NODELIST-POLICE
* Crossposted in OS2
28 Nov 25 12:39, Wilfred van Velzen wrote to Tommi Koivula:

Well, I'll turn IVM off, like it has been for many years.

Confirmed, it has been removed from your nodelist entries. ;-)

Yep, VMODEM was pretty nice once, but that was 30 years ago, before BinkP. ;-)

But I still wonder why it works locally in my home network, but does not over the internet. Can anyone confirm a working VMODEM link over the internet? There are not so many IVM flags in the nodelist and some of those are not VMODEM but TELNET servers.

'Tommi

---
* Origin: * RBB * Lake Ylo * Finland * (2:221/360)

Hello Tommi,

30 Nov 25 09:59, you wrote to Wilfred van Velzen:

Well, I'll turn IVM off, like it has been for many years.

Confirmed, it has been removed from your nodelist entries. ;-)

Yep, VMODEM was pretty nice once, but that was 30 years ago, before
BinkP. ;-)

But I still wonder why it works locally in my home network, but does
not over the internet. Can anyone confirm a working VMODEM link over
the internet? There are not so many IVM flags in the nodelist and some
of those are not VMODEM but TELNET servers.

i don't know how it works. i'm not sure that i ever used it. does it need a different port as the telnet? i'm running vmodem.exe under os2, but i don't know if i need anything else in the configuration.

ByEbYe
--
Daniel

telnet://bbs.roonsbbs.hu:1212 <<=-

... Uptime: 5d 23h 37m 12s
--- GoldED/2 1.1.4.7+EMX
* Origin: Roon's BBS - Budapest, HUNGARY (2:371/52)

01 Dec 25 10:24, Daniel Path wrote to Tommi Koivula:

Yep, VMODEM was pretty nice once, but that was 30 years ago,
before BinkP. ;-)

But I still wonder why it works locally in my home network, but
does not over the internet. Can anyone confirm a working VMODEM
link over the internet? There are not so many IVM flags in the
nodelist and some of those are not VMODEM but TELNET servers.

i don't know how it works. i'm not sure that i ever used it. does it
need a different port as the telnet? i'm running vmodem.exe under os2,
but i don't know if i need anything else in the configuration.

VMODEM.EXE of SIO serves both vmodem and telnet connections. By default telnet in port 23 and vmodem in port 3141. That can be changed in %etc\services.

'Tommi

--- FastEcho/2 1.46.1 Revival
* Origin: =========================>>>> (2:221/1.254)

Hello Tommi,

01 Dec 25 19:09, you wrote to me:

VMODEM.EXE of SIO serves both vmodem and telnet connections. By
default telnet in port 23 and vmodem in port 3141. That can be changed
in %etc\services.

[c:\]netstat -l|grep 3141
2 STREAM vmodem..3141 LISTEN 1 0
31414 STREAM 64872 LISTEN 1 0

i've opened the port on the firewall, now it's available at bbs.roonsbbs.hu:3141 (both tcp&udp).

ByEbYe
--
Daniel

telnet://bbs.roonsbbs.hu:1212 <<=-

... Uptime: 7d 22h 48m 11s
--- GoldED/2 1.1.4.7+EMX
* Origin: Roon's BBS - Budapest, HUNGARY (2:371/52)

03 Dec 25 09:48, Daniel Path wrote to Tommi Koivula:

i've opened the port on the firewall, now it's available at bbs.roonsbbs.hu:3141 (both tcp&udp).

I just tried to connect, but no luck. Cannot even ping or connect by telnet or binkp, so the connetion must be all down.

'Tommi

--- GoldED+/EMX 1.1.5-b20250409
* Origin: rbb.fidonet.fi (2:221/360)

Hello Tommi,

03 Dec 25 20:53, you wrote to me:

i've opened the port on the firewall, now it's available at
bbs.roonsbbs.hu:3141 (both tcp&udp).

I just tried to connect, but no luck. Cannot even ping or connect by telnet or binkp, so the connetion must be all down.

yea, sorry i have some hardware issue with this old PC. sometimes it freezes. i'll try to change the ram today. but now you can try, it's up :)

ByEbYe
--
Daniel

telnet://bbs.roonsbbs.hu:1212 <<=-

... Uptime: 0d 0h 44m 8s
--- GoldED/2 1.1.4.7+EMX
* Origin: Roon's BBS - Budapest, HUNGARY (2:371/52)

05 Dec 25 10:46, Daniel Path wrote to Tommi Koivula:

i've opened the port on the firewall, now it's available at
bbs.roonsbbs.hu:3141 (both tcp&udp).

I just tried to connect, but no luck. Cannot even ping or connect
by telnet or binkp, so the connetion must be all down.

yea, sorry i have some hardware issue with this old PC. sometimes it freezes. i'll try to change the ram today. but now you can try, it's
up :)

The same result as with 2:423/81 and 1:320/119. :(

³ATDT "#BBS.STUDIO64.³
³HU" ³
³NO CARRIER ³
³ATZ ³
³OK ³
ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ


'Tommi

--- GoldED+/EMX 1.1.5-b20250409
* Origin: rbb.fidonet.fi (2:221/360)

Hello Tommi,

05 Dec 25 12:38, you wrote to me:

05 Dec 25 10:46, Daniel Path wrote to Tommi Koivula:

i've opened the port on the firewall, now it's available at
bbs.roonsbbs.hu:3141 (both tcp&udp).

I just tried to connect, but no luck. Cannot even ping or
connect by telnet or binkp, so the connetion must be all down.

yea, sorry i have some hardware issue with this old PC. sometimes
it freezes. i'll try to change the ram today. but now you can
try, it's up :)

The same result as with 2:423/81 and 1:320/119. :(

looks like a firewall /port forward issue:

rooniPro15-touchbar-wlan:~ danielp$ telnet rbb.homeip.net 3141
Trying 37.219.0.32...
telnet: connect to address 37.219.0.32: Connection refused
telnet: Unable to connect to remote host
rooniPro15-touchbar-wlan:~ danielp$ telnet bbs.roonsbbs.hu 3141
Trying 176.241.62.222...
Connected to studio64hu.dyndns.org.
Escape character is '^]'.


ByEbYe
--
Daniel

telnet://bbs.roonsbbs.hu:1212 <<=-

... Uptime: 0d 10h 49m 31s
--- GoldED/2 1.1.4.7+EMX
* Origin: Roon's BBS - Budapest, HUNGARY (2:371/52)

Hi Daniel.

05 Dec 25 23:54:36, you wrote to me:

The same result as with 2:423/81 and 1:320/119. :(

looks like a firewall /port forward issue:

rooniPro15-touchbar-wlan:~ danielp$ telnet rbb.homeip.net 3141
Trying 37.219.0.32...
telnet: connect to address 37.219.0.32: Connection refused
telnet: Unable to connect to remote host

Correct. The port 3141 (tcp/udp) is now closed from the internet. It was open during the tests.

I still wonder why the ivm/3141 connection works inside my lan from one os/2 computer to another. Even with SIO2K, which I installed to another one. Maybe some other ports needed than 3141...

'Tommi

---
* Origin: Point One (2:221/1.1)

Hi Daniel.

06 Dec 25 09:38:02, I wrote to you:

looks like a firewall /port forward issue:

rooniPro15-touchbar-wlan:~ danielp$ telnet rbb.homeip.net 3141
Trying 37.219.0.32...
telnet: connect to address 37.219.0.32: Connection refused
telnet: Unable to connect to remote host

Correct. The port 3141 (tcp/udp) is now closed from the internet. It was open during the tests.

I still wonder why the ivm/3141 connection works inside my lan from one os/2 computer to another. Even with SIO2K, which I installed to another one. Maybe some other ports needed than 3141...

Ok, it is open again. Feel free to test. :)

=== Cut ===
tommi@tri:~$ nmap -v -p 3141 rbb.homeip.net
Starting Nmap 7.95 ( https://nmap.org ) at 2025-12-06 09:59 EET
Initiating Ping Scan at 09:59
Scanning rbb.homeip.net (37.219.0.32) [2 ports]
Completed Ping Scan at 09:59, 0.08s elapsed (1 total hosts)
Initiating Parallel DNS resolution of 1 host. at 09:59
Completed Parallel DNS resolution of 1 host. at 09:59, 1.62s elapsed
Initiating Connect Scan at 09:59
Scanning rbb.homeip.net (37.219.0.32) [1 port]
Discovered open port 3141/tcp on 37.219.0.32
Completed Connect Scan at 09:59, 0.05s elapsed (1 total ports)
Nmap scan report for rbb.homeip.net (37.219.0.32)
Host is up (0.077s latency).
rDNS record for 37.219.0.32: 37-219-0-32.nat.bb.dnainternet.fi

PORT STATE SERVICE
3141/tcp open vmodem

=== Cut ===

'Tommi

---
* Origin: Point One (2:221/1.1)

Hello Tommi!

06 Dec 25 10:00, you wrote to Daniel Path:

I still wonder why the ivm/3141 connection works inside my lan
from one os/2 computer to another. Even with SIO2K, which I
installed to another one. Maybe some other ports needed than
3141...

When I try dialing your system via VMODEM, I get an almost immediate "NO CARRIER" response. When I try Daniel, VMODEM indicates it is negotiating with the remote, then eventually logs a time out and "NO CARRIER" ...

Telnet to your alternate port (360) is answered by FrontDoor/2 and pressing ESC twice allows me to log in to the BBS.

Andrew

--- GoldED+/LNX 1.1.5-b20250409
* Origin: Phoenix BBS * phoenix.bnbbbs.net (1:320/219)

Andrew Leary wrote:

I still wonder why the ivm/3141 connection works inside my lan
from one os/2 computer to another. Even with SIO2K, which I
installed to another one. Maybe some other ports needed than
3141...

When I try dialing your system via VMODEM, I get an almost
immediate "NO CARRIER" response. When I try Daniel, VMODEM
indicates it is negotiating with the remote, then eventually logs a
time out and "NO CARRIER" ...

So it's not only my vmodem that is not working over the internet. :)

Well, I believe it's time to let vmodem rest in pieces. It sure is not
needed anymore these days.

'Tommi

---
* Origin: nntp://rbb.fidonet.fi - Finland (2:221/360.0)