[Gllug] 4/5 pings fail
Murray
gllug at minty.org
Sun Mar 2 16:51:17 UTC 2003
> -----Original Message-----
> From: Simon A. Boggis
>
> One possibility: have you got a host firewall on the linux box, and if
> so, do you have a rate limit on icmp echo-request (I've seen many
> example configs which seem to recommend doing this).
Possibly, but I don't think so. I've got ipchains, rather than iptables.
eth1 is the connection the the adsl modem, eth0 the internal network.
(The ADSL modem has NAT, with only ssh port forwarding enabled).
# ipchains -L -v
Chain input (policy ACCEPT: 172863 packets, 34297489 bytes):
pkts bytes target prot opt tosa tosx ifname mark outsize
source destination ports
0 0 ACCEPT tcp ------ 0xFF 0x00 eth1
gate.something.co.uk 192.168.2.10 any -> ssh
0 0 ACCEPT tcp ------ 0xFF 0x00 eth1
another.net 192.168.2.10 any -> ssh
0 0 DENY tcp ------ 0xFF 0x00 eth1
anywhere 192.168.2.10 any -> ssh
Chain forward (policy DENY: 0 packets, 0 bytes):
pkts bytes target prot opt tosa tosx ifname mark outsize
source destination ports
22952 2582K MASQ all ------ 0xFF 0x00 eth1
anywhere anywhere n/a
Chain output (policy ACCEPT: 170478 packets, 21332693 bytes):
Chain rulchain (0 references):
Chain devchain (0 references):
Chain maschain (0 references):
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