What happened to SSH?

[Ingemar Nilsson]

Mike <mike at atn-networks.nl> writes:

> It's because :: is IPv6 address, and this is what SSH binds to when it
> first start's, being that IPv4 is also enabled, when it tries to bind
> to the IPv4 address, it find's that it is already being used.
> 
> Possibly disable IPv6 support in kernel (?) or use the ListenAddress
> option in your SSHD server config file.

There is a file in /proc that affects this:

cat /proc/sys/net/ipv6/bindv6only 
0

If you

echo 1 > /proc/sys/net/ipv6/bindv6only

the problem probably goes away. I don't know if enabling this option has
any downsides though.

Regards
Ingemar