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Re: problem : DNS timed out in SQUID

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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


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