Joseph Loo wrote:
I recently installed a fresh copy of Mandrake 9.1 and included the
shorewall firewall. I have a modem hookup. When I try to ping a site
e.g. www.ibm.com the system never seems to respond. It looks like the
firewall is preventing something from happening. I have enable the
shorewall to allow everything and none. If I have none, I can ping
specific addresses with no problems. It seems to me that the program
is not allowing the standard dns client information to either
broadcast or receive.
Note, I also found out that the local systems tied via an ehternet
connection will not allow me to ping any addresses. It seems to me
that the system allows the ping but does not allow the responds to
come back. This is true when everything is blocked but it allows when
nothing is blocked.
At this time I have 2 problems, the firewall can not distinguish the
local network versus the internet (I use mandrak configuration tool to
add the modem into the syste but no such luck). and the rules needed
to allow the internet to communicate.
Some systems are set not to respond to pings...
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