On Feb 20, 2013, at 2:55 PM, Anton Shterenlikht <me...@bristol.ac.uk> wrote:

>       From feenb...@nber.org Wed Feb 20 13:39:28 2013
> 
>       >       From: Fleuriot Damien <m...@my.gd>
>       >       To: me...@bristol.ac.uk
>       >       Subject: Re: cannot ssh into a box with DHCP assigned IP address
>       >       Date: Wed, 20 Feb 2013 10:31:22 +0100
>       >       Cc: freebsd-questions@freebsd.org
>       >
>       >       On Feb 20, 2013, at 10:28 AM, Anton Shterenlikht 
> <me...@bristol.ac.uk> wrote:
>       >
>       >       > I have a laptop with FreeBSD -current,
>       >       > with ip address assigned via DHCP.
>       >       > The laptop has neither a static ip address,
>       >       > nor a domain.
>       >       >
>       >       > I can ping the laptop fine, but cannot
>       >       > ssh into it. The sshd is running, /etc/ssh/ssd_config
>       >       > seems fine, /etc/hosts.allow is fine.
>       >       > However, /etc/hosts is just the default:
> 
>       While on the problem machine, can you ssh to localhost? ssh to the IP 
>       address?
> 
> yes to both
> 
>       I would suspect the problem is in /etc/hosts.allow
>        or /etc/hosts.deny,
> 
> The first non-comment line in /etc/hosts.allow is
> ALL : ALL : allow
> 
> and I don't have /etc/hosts.deny:
> 
> root@zzz:~ # ls /etc/hosts*
> /etc/hosts              /etc/hosts.equiv
> /etc/hosts.allow        /etc/hosts.lpd
> root@zzz:~ #
> 
>       or perhaps the subnet mask is incorrect.
> 
> Well.. what should it be?
> I have on the problem box (ssh server):
> 
> wlan0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 
> mtu 1
> 500
>        ether 00:21:5c:50:68:c3
>        inet 172.21.220.12 netmask 0xfffffc00 broadcast 255.255.255.255
>        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>        media: IEEE 802.11 Wireless Ethernet OFDM/54Mbps mode 11g
>        status: associated
>        ssid eduroam channel 1 (2412 MHz 11g) bssid 00:3a:98:62:cd:a0
>        country US authmode WPA2/802.11i privacy ON deftxkey UNDEF
>        AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 14 bmiss 10 scanvalid 450
>        bgscan bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 5
>        protmode CTS wme roaming MANUAL
> 
> I'm trying to ssh from 137.222.187.241.
> 
> I wonder, perhaps it somehow built into the
> Eduroam wireless, provided by the University,
> that the devices connected to it cannot be
> accessible. They can only initiate outgoing
> connections, but all incoming connections are
> somehow blocked? Given that the majority of
> the devices will be unsecured MS boxes, maybe
> the university thought that this is wise idea
> for safety. Perhaps I can investigate this
> with my IT guys. 
> 
> Or I might be talking complete nonsense here, not my area at all.
> 
> Thanks
> 
> Anton
> 


Any luck with Daniel's suggestion to try it directly on the problematic host ?

ssh 127.0.0.1
ssh localhost
ssh 172.21.220.12


_______________________________________________
freebsd-questions@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-questions
To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"

Reply via email to