Andrew Parker wrote:
>> >> I'm not sure what I can do with the connection.
>> >> I don't seem able to ssh in either direction.
>> >> And ping fails in both directions too.
> your configs are very similar to mine, apart from a few cosmetic
> differences. ditto for the routing tables.
>
> do you have a firewall at either end? have you enabled tun+ devices
> access? I have the following in mine, but depending on your f/w you
> might want to insert the rules at the beginning rather than append:
>
> /sbin/iptables --append INPUT --in-interface tun+ --jump ACCEPT
> /sbin/iptables --append FORWARD --in-interface tun+ --jump ACCEPT
> /sbin/iptables --append OUTPUT --out-interface tun+ --jump ACCEPT
> /sbin/iptables --append FORWARD --out-interface tun+ --jump ACCEPT
Thanks very much.
I found the problem did indeed lie in the firewall.
After adding the line
loc tun0 192.168.5.0/24
to /etc/shorewall/interfaces on my server,
and re-starting shorewall,
I am able to ping and ssh in either direction:
=========================================
[tim@alfred ~]$ ping -v -c2 192.168.5.6
PING 192.168.5.6 (192.168.5.6) 56(84) bytes of data.
64 bytes from 192.168.5.6: icmp_seq=1 ttl=64 time=124 ms
64 bytes from 192.168.5.6: icmp_seq=2 ttl=64 time=118 ms
[tim@alfred ~]$ ssh 192.168.5.6
Last login: Thu Jan 3 12:23:55 2008
=========================================
[tim@martha ~]$ ping -v -c2 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
64 bytes from 192.168.5.1: icmp_seq=1 ttl=64 time=215 ms
64 bytes from 192.168.5.1: icmp_seq=2 ttl=64 time=118 ms
[tim@martha ~]$ ssh 192.168.5.1
Last login: Thu Jan 3 11:24:28 2008 from
host156-198-dynamic.8-87-r.retail.telecomitalia.it
=========================================
--
Timothy Murphy
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland
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