Am Mittwoch, 5. Dezember 2007 08:12 schrieb David Miller:
> Actually, consider even a case like DNS. Let's say the timeout
> is set to 2 seconds or something and you have 3 DNS servers
> listed, on different IPSEC destinations, in your resolv.conf
>
> Each IPSEC route that isn't currently resolved will cause packet loss
> of the DNS lookup request with xfrm_larval_drop set to '1'.
>
> If all 3 need to be resolved, the DNS lookup will fully fail
> which defeats the purpose of listing 3 servers for redundancy
> don't you think? :-)
In your example, the DNS server might actually stop responding to other
clients while waiting for the (expected to be non-blocking) connect() to
return. This is much much worse.
Stefan
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