ping
Chris Aitken
chris-n/jUll39koHNgV/OU4+dkA at public.gmane.org
Wed Oct 17 12:30:58 UTC 2007
Daniel Son wrote:
> Chris,
>
> Are you able to ping computer1 from computer2 or computer3?
> do you ping computer1 by IP address or by name, and if by name does
> the name resolve properly?
> what does iptables -L say?
I'm okay now. My eth0:1 (LAN) was just Deactivated. I guess all other
pinging worked because eth0 was still Activated.
BTW, here's the output of iptables -L
Anything in there I should be concerned about (having never used that
command)?
[root at p733 chris]# /sbin/iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
RH-Firewall-1-INPUT all -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
REJECT all -- anywhere anywhere reject-with
icmp-host-prohibited
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain RH-Firewall-1-INPUT (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT icmp -- anywhere anywhere icmp any
ACCEPT esp -- anywhere anywhere
ACCEPT ah -- anywhere anywhere
ACCEPT udp -- anywhere 224.0.0.251 udp dpt:mdns
ACCEPT udp -- anywhere anywhere udp dpt:ipp
ACCEPT tcp -- anywhere anywhere tcp dpt:ipp
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere state NEW
tcp dpt:ssh
REJECT all -- anywhere anywhere reject-with
icmp-host-prohibited
Chris
>
> d
>
>
> --
> www.meta-for.org - Open Source software catalog
>
>
>
> Chris Aitken wrote:
>> I am trying to set up a fourth computer to print to a remote printer.
>> I guess I know how to do this now, but I can't ping computer1 from
>> computer4.
>>
>> The hosts.allow file (computer1) looks fine.
>>
>> # hosts.allow This file describes the names of the hosts which are
>> # allowed to use the local INET services, as decided
>> # by the '/usr/sbin/tcpd' server.
>> all : allow : all
>>
>> The hosts.deny file has no entries.
>>
>> What can I try next?
>>
>> Computer4 is on the Internet (through router>cable modem) and can
>> ping the other two computers and the router. It just can't ping
>> computer1 (which has the printer connected to it).
>>
>> Chris
>>
>>
>>
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