Re: TCP/IP problems
Nate,
THANKS!!!!
Indeed, IP Masquerading was the guilty party!
Thanks,
Bryan
On Wed, 12 Jan 2000, aphro wrote:
> On Wed, 12 Jan 2000, Bryan K. Walton wrote:
>
> walton >When I ping another host, I get the following:
> walton >ping: sendto: Operation not permitted
> walton >ping: wrote (INSERT IP HERE) 64 chars, ret=-1
> walton >ping: sendto: Operation not permitted
>
> 99% chance that the problem is your firewall is blocking it, check to see
> if the ipmasq package is installed, if it is reconfigure it(i _always_
> delete it it has caused me NOTHING but trouble) flush the firewall by
> running ipchains -F if you got kernel 2.2.x or ipfwadm -f<type> where
> <type> is type F (forward) I(insert) A(append).
>
> if your not specifically using the ipmasq package the system will
> automatically re add the firewall rules blocking aLL incoming and outoging
> traffic, if you want ipmasq, id suggest you delete that $#@ package and
> setup the firewall manually(ipmasq only needs 1 rule, or 2 if your
> security minded). i spent many many hours trying to figure out what was
> screwing my servers up till i found the ipmasq package was doing it.
>
> nate
>
>
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***********************************************************************
Bryan K. Walton
Network Operations Center Analyst
Berbee
5520 Research Park Drive Madison, Wisconsin 53711
walton@berbee.com
608.288.3000
Berbee...putting the E in business
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