Re: [squid-users] problem : DNS timed out in SQUID

EchoKiloAlpha wrote:
> Dear All,
> I have problem with SQUID-2.5STABLE9-7 in Fedora Core 4, sometimes

Try a more recent squid please.
2.5 is no longer supported.

The current supported version is 2.6-STABLE-16, FC should have one at
least STABLE 12 available.

If that was the entirety of your squid.conf you should not have any
running problems for the upgrade.

> browser in our client display "unable to determined IP Address from
> host name for www.google.co.id ", dnsserver returned " Timeout" but
> when i try to resolve using dig tools in SQUID proxy itself, the

Please note that dig uses TCP by default, squid2.6 uses UDP, squid2.5 I
believe uses the OS resolver via a helper.

Amos

> machine can resolve the query.
> Problem can be solved by restarting squid service. I install squid
> using RPM on P4-3 Ghz, 512 MHz.
> Here is my squid.conf
> http_port 8080
> cache_dir ufs /var/spool/squid 1000 16 256
> dns_nameservers 202.127.97.18 202.127.18.19
> refresh_pattern ^ftp: 1440 20% 10080
> refresh_pattern ^gopher: 1440 0% 1440
> refresh_pattern . 0 20% 4320
> acl all src 0.0.0.0/0.0.0.0
> acl manager proto cache_object
> acl localhost src 127.0.0.1/255.255.255.255
> acl net1 src 10.100.0.0/255.255.0.0
> acl net2 src 10.150.0.0/255.255.0.0
> acl net3 src 10.10.0.0/255.255.0.0
> acl to_localhost dst 127.0.0.0/8
> acl SSL_ports port 443 563
> acl Safe_ports port 80 # http
> acl Safe_ports port 21 # ftp
> acl Safe_ports port 443 563 # https, snews
> acl Safe_ports port 70 # gopher
> acl Safe_ports port 210 # wais
> acl Safe_ports port 1025-65535 # unregistered ports
> acl Safe_ports port 280 # http-mgmt
> acl Safe_ports port 488 # gss-http
> acl Safe_ports port 591 # filemaker
> acl Safe_ports port 777 # multiling http
> acl CONNECT method CONNECT
> http_access allow manager localhost
> http_access allow localhost
> http_access deny manager
> http_access deny !Safe_ports
> http_access deny CONNECT !SSL_ports
> http_access allow net1
> http_access allow net2
> http_access allow net3
> http_access allow localhost
> http_access deny all
> http_reply_access allow all
> icp_access allow all
> visible_hostname xxx.xx.xx
>
>
> my vmstat when dns error's displayed
> # vmstat
> procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
> r b swpd free buff cache si so bi bo in cs us sy id wa
> 1 0 844 6148 17920 387332 0 0 4 49 44 48 3 1 96 0
Received on Mon Nov 19 2007 - 03:23:12 MST