[squid-users] non-permanent internet-access, idnsSendQuery

hi all,

I'm using squid Version 2.3.STABLE4-hno.CVS on kernel version 2.4.4.
I have a non-permanent internet-access, and when it's closed and somebody
tries to open a web-page squid says:
squid[10162]: idnsSendQuery: FD 2: sendto: (101) Network is unreachable
squid[10162]: comm_udp_sendto: FD 2, 194.25.2.129, port 53: (101) Network is
unreachable

the message ist clear, but I don't want to get it for 5 minutes.
where can I set the timeout?

I've tried:
negative_dns_ttl 3 minutes
negative_ttl 1 minutes
connect_timeout 120 seconds
read_timeout 2 minutes
request_timeout 30 seconds

Thanks in advance

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