I think I had to add the sysctl net.ipv6.bindv6only=1 to get Dropbear to listen on ipv6 on Debian. Dropbear just iterates over all available addresses, I don't _think_ it's a bug in Dropbear itself.
Matt Dropbear developer On Fri, Aug 05, 2011 at 09:49:41PM +1000, Chris Deigan wrote: > Package: dropbear > Version: 0.52-5 > Severity: normal > > The dropbear SSH server listens on IPv4 but not IPv6 addresses. This is > running in a VPS environment as an Virtuozzo/openVZ guest. > > Relevant configuration/evidence below: > Running command (taken from ps output): > /usr/sbin/dropbear -d /etc/dropbear/dropbear_dss_host_key -r > /etc/dropbear/dropbear_rsa_host_key -p 22 -W 65536 -w -s > > $ cat /etc/default/dropbear > # disabled because OpenSSH is installed > # change to NO_START=0 to enable Dropbear > NO_START=0 > > # the TCP port that Dropbear listens on > DROPBEAR_PORT=22 > > # any additional arguments for Dropbear > DROPBEAR_EXTRA_ARGS="-w -s" > > # specify an optional banner file containing a message to be > # sent to clients before they connect, such as "/etc/issue.net" > DROPBEAR_BANNER="" > > # RSA hostkey file (default: /etc/dropbear/dropbear_rsa_host_key) > #DROPBEAR_RSAKEY="/etc/dropbear/dropbear_rsa_host_key" > > # DSS hostkey file (default: /etc/dropbear/dropbear_dss_host_key) > #DROPBEAR_DSSKEY="/etc/dropbear/dropbear_dss_host_key" > > # Receive window size - this is a tradeoff between memory and > # network performance > DROPBEAR_RECEIVE_WINDOW=65536 > > $ netstat -tnl > Active Internet connections (only servers) > Proto Recv-Q Send-Q Local Address Foreign Address State > > tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN > > tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN > > tcp6 0 0 :::25 :::* LISTEN > > $ ip -6 addr > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 9: venet0: <BROADCAST,POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1500 > inet6 2607:[removed]:3ae6/0 scope global > valid_lft forever preferred_lft forever > inet6 2607:[removed]:a1c5/0 scope global > valid_lft forever preferred_lft forever > > -- System Information: > Debian Release: 6.0.2 > APT prefers stable > APT policy: (500, 'stable') > Architecture: i386 (i686) > > Kernel: Linux 2.6.32-238.12.1.el5.pony6-1 (SMP w/1 CPU core) > Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) > Shell: /bin/sh linked to /bin/bash > > Versions of packages dropbear depends on: > ii libc6 2.11.2-10 Embedded GNU C Library: Shared > lib > ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime > > dropbear recommends no packages. > > Versions of packages dropbear suggests: > ii openssh-client 1:5.5p1-6 secure shell (SSH) client, for > sec > pn runit <none> (no description available) > ii udev 164-3 /dev/ and hotplug management > daemo > pn xauth <none> (no description available) > > -- no debconf information > > > -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
