Re: DNSSEC and EDNS behavior

2011-10-20 Thread Evan Hunt
> What are the situations (timeouts, FORMERR .. etc) to mark the server > as unable to speak EDNS0? (add_bad) named tries to send a query with EDNS(0); if the query fails, it will try again with EDNS(0) but with the packet size limited to 512 bytes; and if that fails, it will try again without ED

RE: DNSSEC and EDNS behavior

2011-10-20 Thread Taylor, Gord
r=rbc@lists.isc.org] On Behalf Of PPA Sent: 2011, October, 20 9:50 AM To: bind-users@lists.isc.org Subject: DNSSEC and EDNS behavior Hello, does anybody know, how BIND running as DNS caching resolver makes decision for disabling EDNS0 OPT query sent to a certain nameserver it is talking to? What ar

DNSSEC and EDNS behavior

2011-10-20 Thread PPA
Hello, does anybody know, how BIND running as DNS caching resolver makes decision for disabling EDNS0 OPT query sent to a certain nameserver it is talking to? What are the situations (timeouts, FORMERR .. etc) to mark the server as unable to speak EDNS0? (add_bad) How can be server recovered ag