Hello,
we get this error every once in a while on one of our servers.
This failure then results in the notify sending host to not try
again. Would it not be better to use NSD_RC_DISCARD in this place
so the server can try again or am I too naive?
Beside the fact that this happening may be a bug (I have failed
so far finding the root cause), it doesn't appear to be fatal for
nsd, however, since a notify-reply with SERVFAIL is sent, it is
fatal for that specific domain.
Alf
static query_state_type
answer_notify(struct nsd* nsd, struct query *query)
{
...
if(!write_socket(s, &mode, sizeof(mode)) ||
!write_socket(s, &sz, sizeof(sz)) ||
!write_socket(s, buffer_begin(query->packet),
buffer_limit(query->packet)) ||
!write_socket(s, &acl_send, sizeof(acl_send)) ||
!write_socket(s, &acl_xfr, sizeof(acl_xfr))) {
log_msg(LOG_ERR, "error in IPC notify server2main, %s",
strerror(errno));
return query_error(query, NSD_RC_SERVFAIL);
}
...
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