开云体育

Hi John (G8BPQ),

I hope you have read my message of a couple of days ago to the list that outgoing IPv6 telnet forwarding doesn't work in the latest beta as well as the stable version.
It fails to connect if I test it manually to a IPv6 only accessible tcp port. This makes that I can't forward to telnet servers who are only accessible over IPv6 or that IPv4/IPv6
accessible ports fall back to IPv4. They can access BPQ here with IPv6 over telnet, so luckily the mail flows with reserve forwarding in that way. Is there any solution to this?

Regards,

Boudewijn VE3TOK


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The issue with BPQ seems to be not the 'defaulting to IPv4' but that outgoing telnet to IPv6 fails to connect at all both in the latest stable and beta versions and

this while IPv4 and IPv6 are both enabled for the telnet port, see below.

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I tested outgoing telnet from the BPQ node to a tcp port what can only handle IPv6 as I have a 6tunnel for IPv6 to Xnet, what is a IPv4 only program.
6tunnel converts here a IPv6 input at tcp port 24 to IPv4 at tcp port 23 what connects to Xnet.

BPQ

po
BPQTOK:VE3TOK-12} Ports
? 1 Kiss Link to Kernel
? 2 Kiss Link to (X)net
? 3 Telnet Server
? 4 AX/IP/UDP
attach 3
BPQTOK:VE3TOK-12} Ok
c linux.ve3mch.ampr.org 24
*** Failed to Connect

linux.ve3mch.ampr.org resolves both to an IPv4 and IPV6 address. I tested this from the latest stable BPQ version as well as from the latest beta version
and both are failing with outgoing telnet over IPv6. Both IPv4 and IPv6 are enabled for the telnet port in BPQ with,

? IPV6=1
? IPV4=1

From the linux shell to proof that IPv6 really works at port 24

# telnet linux.ve3mch.ampr.org 24
Trying 2001:470:1d:138::1...
Connected to linux.ve3mch.ampr.org.
Escape character is '^]'.
(X)NET 1.39 @ VE3MCH-8 on LINUX: PSE enter Your callsign to login.

Login:

With IPv4 from the shell to Xnet at port 24

telnet -4 linux.ve3mch.ampr.org 24
Trying 44.135.85.151...
telnet: Unable to connect to remote host: Connection refused

What is as expected.

Regards,

Boudewijn VE3TOK


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There is nothing permanent except change
Heraclitus

Hello Boudewijn,

That was a separate thread and John did reply.

See /g/bpq32/message/44026

73 de Rich WA3WLH

Hello Rich,

I didn't see that message here or I missed it, I'm sorry. Well that answers it,
hopefully it will be implemented in one of the next releases.

Thanks and 73,

Boudewijn VE3TOK

--
There is nothing permanent except change
Heraclitus