At 01:06 PM 12/14/2014, you wrote: >On Sun, Dec 14, 2014 at 10:41:07AM -0800, david wrote: > > At 10:27 AM 12/14/2014, you wrote: > > Thanks for the prompt response. I'm not sure what you mean by "going > > to". Externally, I'm on an IPV4 system, and the router does have an > > IPV4 address. So, when I try > > ssh <name>@ipv4-address > > and when I have port forwarding set for port 22 to an 192.168 > > (internal IPV4 address) of the box, > > I'd expect it to get to the centos box, but it doesn't. > >You might be surprised to find out you and he have IPv6 addresses. >the command `ip -6 addr` will show you if there are. An example: > > michael@hive ~ % ip -6 addr > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 2: enp0s10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000 > inet6 fdb5:1967:1a58::267/128 scope global noprefixroute dynamic > valid_lft 73408sec preferred_lft 73408sec > inet6 2601:7:8c0:70::267/128 scope global noprefixroute dynamic > valid_lft 73408sec preferred_lft 73408sec > inet6 fdb5:1967:1a58:0:e287:c970:f0ab:7abe/64 scope global > noprefixroute dynamic > valid_lft 7195sec preferred_lft 1795sec > inet6 2601:7:8c0:70:937f:82b1:6a3d:44cd/64 scope global > noprefixroute dynamic > valid_lft 7195sec preferred_lft 1795sec > inet6 fe80::1a7d:220c:5129:9b6e/64 scope link > valid_lft forever preferred_lft forever > >The /128 ones are of interest, the /64 are actually network addresses. So > > michael@hive ~ % ip -6 addr | grep /128 > inet6 ::1/128 scope host > inet6 fdb5:1967:1a58::267/128 scope global noprefixroute dynamic > inet6 2601:7:8c0:70::267/128 scope global noprefixroute dynamic > >Address ::1 is the IPv6 equivelent of 127.0.0.1 >Address fdb5... is the IPv6 equivelent of IP4 RFC 1918 private >address space, the 10.x.y.z, 192.168.x.y etc. >The third address 2601:... is the one of interest. You mentioned >Comcast - your friend may (probably?) has >one of those.
I would be surprised. I'm on a Windows7 box, and at home I have no IPv6 address. Not even my gateway to my IPV4 provider (NOT comcast) has only an ipv4 address. So, I'm lost. _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
