North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: ICMP unreachables, code 9,10,13
On Mar 28, 2007, at 3:57 PM, Christos Papadopoulos wrote: Responses with these codes seem to imply the presence of a firewall. Is this assumption correct or are these codes meaningless? Not just firewalls - ACLs on routers, too. A common practice is to either turn off sending of unreachables or to at least rate-limit them to preserve CPU on the router. ----------------------------------------------------------------------- Roland Dobbins <[email protected]> // 408.527.6376 voice Words that come from a machine have no soul. -- Duong Van Ngo
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