[ale] Can't ping localhost

[Chuck Payne]

What does ip neigh show?

On Jul 1, 2017 11:40, "Raj Wurttemberg" <rajaw at c64.us> wrote:

> net.ipv4.icmp_echo_ignore_all = 1 in sysctl.conf maybe?
>
> /Raj
>
> -----Original Message-----
> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
> DJ-Pfulio
> Sent: Saturday, July 1, 2017 11:17 AM
> To: 'Atlanta Linux Enthusiasts' <ale at ale.org>
> Subject: Re: [ale] Can't ping localhost
>
>
>
> Nope.  I dumped all the FW rules and grep'd for '127.0' - nothing.
> Also, nothing in any system logs, FW logs or dmesg.
>
> I do see lots of multi-cast broadcasts being blocked - 224.0.0.1.
>
> SMTP is listening on port 25/tcp.
> $ netstat -an | grep 127.0.0.1
> tcp        0      0 127.0.0.1:25      0.0.0.0:*               LISTEN
> udp        0      0 127.0.0.1:123     0.0.0.0:*
>
> This is expected.
>
>
> More ideas?
>
> On 07/01/2017 11:01 AM, Raj Wurttemberg wrote:
> > Local firewall blocking icmp traffic?  I ask because some data is
> > traversing
> > lo:
> >
> >           RX packets:** 41 ** errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:** 41 ** errors:0 dropped:0 overruns:0 carrier:0
> >
> > /Raj
> >
> > -----Original Message-----
> > From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
> > DJ-Pfulio
> > Sent: Saturday, July 1, 2017 10:24 AM
> > To: Atlanta Linux Enthusiasts <ale at ale.org>
> > Subject: [ale] Can't ping localhost
> >
> > $ ping localhost
> > PING localhost (127.0.0.1) 56(84) bytes of data.
> > ^C
> > --- localhost ping statistics ---
> > 6 packets transmitted, 0 received, 100% packet loss, time 5040ms
> >
> > Huh? 6 dropped packets.
> >
> > $ ifconfig lo
> > lo        Link encap:Local Loopback
> >           inet addr:127.0.0.1  Mask:255.0.0.0
> >           inet6 addr: ::1/128 Scope:Host
> >           UP LOOPBACK RUNNING  MTU:65536  Metric:1
> >           RX packets:41 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:41 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:1
> >           RX bytes:3444 (3.4 KB)  TX bytes:3444 (3.4 KB)
> >
>
>
> --
> Got Linux? Used on smartphones, tablets, desktop computers, media centers,
> and servers by kids, Moms, Dads, grandparents and IT professionals.
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.ale.org/pipermail/ale/attachments/20170701/b973095b/attachment.html>