I ran a view windows pc connected to internet via squid (on centos).
setting is quite straight forward. 
YM works fine, until yahoo is releasing ver 9

Now it is difficult to logon ( when I use the proxy, with ver 9 )
Sometimes, i just kicked out in the middle of conv, and YM aske me to re-login.

If i try to use older ver of ym, ver 8, cant logon for good.
( ver 9 sometime can logon, but most of the time diffoult)

It all works fine when I bypass the proxy.


Any Idea what to pun on setting to solve the problem ?
what else to put on squid setting, to increase speed  and /or security ?

thanks in adv ...



bellow id the squid proxy setting

http_port 3128
icp_port 0

hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?

cache_mem 96 MB
maximum_object_size 20480 KB
maximum_object_size_in_memory 24 KB
cache_replacement_policy heap LFUDA
cache_dir aufs /var/spool/squid 6144 16 256

redirect_children 10

auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
auth_param basic casesensitive off

refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern .               0       20%     4320

connect_timeout 3 minute
persistent_request_timeout 3 minute
pconn_timeout 360 seconds
ident_timeout 30 seconds
shutdown_lifetime 90 seconds

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 to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 1080 1863 6891-6900  563 5050 5190 5222 563 6667

acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny CONNECT !Safe_ports
http_access deny to_localhost

acl our_networks src 192.168.1.0/24
acl YIM_ports port 5000-5100
acl YIM_ports port 936
acl YIM_domains dstdomain .yahoo.com .yahoo.co.jp .yahoo.co.id .yahoo.com.sg
acl YIM_hosts dstdomain scs.msg.yahoo.com cs.yahoo.co.jp
acl YIM_methods method CONNECT
http_access allow YIM_methods YIM_ports YIM_hosts
http_access allow YIM_methods YIM_ports YIM_domains


acl notallowed src "/etc/squid/usr.notallowed"
acl av_server src "/etc/squid/symantec.av"
acl ajen src 192.168.2.10
acl ph src 192.168.1.21

acl big urlpath_regex -i \.mpg$ \.mpeg$ \.mp3$ \.avi$ \.wmv$ \.rm$
acl badwords url_regex -i "/etc/squid/badwords"
acl restrictedsites url_regex "/etc/squid/sites.restricted"
acl avsites  url_regex "/etc/squid/sites.av_server"
no_cache deny QUERY YIM_ports YIM_domains YIM_hosts YIM_methods

http_access deny big
http_access deny badwords all
http_access deny notallowed all

http_access allow ajen !restrictedsites
http_access allow our_networks !restrictedsites


http_access allow localhost
http_access deny all

http_reply_access allow all

icp_access allow all




and the access log (able to login):

1245319919.205   1229 192.168.1.21 TCP_MISS/200 188 GET 
http://httpvcs1.msg.yahoo.com/capacity - DIRECT/216.155.194.34 text/plain
1245319921.463   2224 192.168.1.21 TCP_MISS/200 193 GET 
http://httpvcs1.msg.yahoo.com/capacity - DIRECT/216.155.194.34 text/plain
1245319921.682   2431 192.168.1.21 TCP_MISS/200 192 GET 
http://httpvcs2.msg.yahoo.com/capacity - DIRECT/98.136.112.56 text/plain
1245319925.284   3796 192.168.1.21 TCP_MISS/200 2170 CONNECT 
216.155.194.223:443 - DIRECT/216.155.194.223 -
1245319930.641   5321 192.168.1.21 TCP_MISS/200 2444 CONNECT 
login.yahoo.com:443 - DIRECT/66.163.169.186 -
1245319935.925   5260 192.168.1.21 TCP_MISS/200 3096 CONNECT 
login.yahoo.com:443 - DIRECT/66.163.169.186 -
1245319939.204   3251 192.168.1.21 TCP_MISS/200 11953 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 -
1245319944.924    759 192.168.1.21 TCP_DENIED/403 1382 POST 
http://app.sweetim.com/sweetim/dispatcher - NONE/- text/html
1245319945.657   6318 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 -
1245319946.061   6670 192.168.1.21 TCP_MISS/200 648 GET 
http://msgr.updates.yahoo.com/vitality_proxy/V1/getEvents? - 
DIRECT/98.137.44.106 application/xml
1245319946.292   2127 192.168.1.21 TCP_MISS/200 3779 GET 
http://insider.msg.yahoo.com/ycontent/? - DIRECT/209.191.120.30 text/xml
1245319951.645  12440 192.168.1.21 TCP_MISS/200 5837 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 -
1245319951.645   7480 192.168.1.21 TCP_MISS/200 2868 GET 
http://insider.msg.yahoo.com/client_ad.php? - DIRECT/68.142.231.252 text/html
1245319951.714   7549 192.168.1.21 TCP_MISS/200 19423 GET 
http://address.yahoo.com/yab/us? - DIRECT/209.191.93.51 text/xml
1245319952.937   6627 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 -
1245319953.704   7114 192.168.1.21 TCP_MISS/200 648 GET 
http://msgr.updates.yahoo.com/vitality_proxy/V1/getEvents? - 
DIRECT/98.137.44.106 application/xml
1245319956.195   3508 192.168.1.21 TCP_MISS/200 426 GET 
http://us.bc.yahoo.com/b? - DIRECT/203.84.204.69 image/gif
1245319956.913  12748 192.168.1.21 TCP_MISS/502 1248 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 text/html
1245319957.083   5438 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 -
1245319958.913   2589 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.223/ - DIRECT/216.155.194.223 -
1245319959.962     14 192.168.1.21 TCP_DENIED/403 1382 POST 
http://app.sweetim.com/sweetim/dispatcher - NONE/- text/html



another log , when cant login :

1245320691.956    994 192.168.1.21 TCP_MISS/200 188 GET 
http://httpvcs1.msg.yahoo.com/capacity - DIRECT/216.155.194.34 text/plain
1245320695.586   3589 192.168.1.21 TCP_MISS/200 193 GET 
http://httpvcs1.msg.yahoo.com/capacity - DIRECT/216.155.194.34 text/plain
1245320698.425   6431 192.168.1.21 TCP_MISS/200 192 GET 
http://httpvcs2.msg.yahoo.com/capacity - DIRECT/98.136.112.56 text/plain
1245320701.363   4811 192.168.1.21 TCP_MISS/200 1740 CONNECT 
216.155.194.144:443 - DIRECT/216.155.194.144 -
1245320706.303   4906 192.168.1.21 TCP_MISS/200 1351 CONNECT 
216.155.194.144:443 - DIRECT/216.155.194.144 -
1245320710.235   3917 192.168.1.21 TCP_MISS/200 2173 CONNECT 
216.155.194.144:443 - DIRECT/216.155.194.144 -
1245320714.197   3921 192.168.1.21 TCP_MISS/200 2516 CONNECT 
login.yahoo.com:443 - DIRECT/66.163.169.186 -
1245320717.582   3352 192.168.1.21 TCP_MISS/200 3152 CONNECT 
login.yahoo.com:443 - DIRECT/66.163.169.186 -
1245320721.785   4200 192.168.1.21 TCP_MISS/200 11699 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320722.468     15 192.168.1.21 TCP_DENIED/403 1382 POST 
http://app.sweetim.com/sweetim/dispatcher - NONE/- text/html
1245320727.972   6054 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320733.350  11527 192.168.1.21 TCP_MISS/200 5182 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320734.245   6273 192.168.1.21 TCP_MISS/200 3779 GET 
http://insider.msg.yahoo.com/ycontent/? - DIRECT/68.142.231.252 text/xml
1245320734.441  12421 192.168.1.21 TCP_MISS/200 648 GET 
http://msgr.updates.yahoo.com/vitality_proxy/V1/getEvents? - 
DIRECT/66.196.106.31 application/xml
1245320739.315   5901 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320739.315   5901 192.168.1.21 TCP_MISS/200 684 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320739.315  11343 192.168.1.21 TCP_MISS/200 648 GET 
http://msgr.updates.yahoo.com/vitality_proxy/V1/getEvents? - 
DIRECT/66.196.106.31 application/xml
1245320739.315  11343 192.168.1.21 TCP_MISS/200 672 GET 
http://address.yahoo.com/yab/us? - DIRECT/209.191.93.51 text/xml
1245320739.315  11343 192.168.1.21 TCP_MISS/200 2869 GET 
http://insider.msg.yahoo.com/client_ad.php? - DIRECT/68.180.219.51 text/html
1245320739.315  11343 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320739.440    124 192.168.1.21 TCP_DENIED/403 1382 POST 
http://app.sweetim.com/sweetim/dispatcher - NONE/- text/html
1245320741.805   7264 192.168.1.21 TCP_MISS/200 648 GET 
http://msgr.updates.yahoo.com/vitality_proxy/V1/getEvents? - 
DIRECT/66.196.106.31 application/xml

( logged in, then kicked out )

1245320742.490   3174 192.168.1.21 TCP_MISS/200 231 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320742.960   3520 192.168.1.21 TCP_MISS/200 684 POST 
http://216.155.194.144/ - DIRECT/216.155.194.144 -
1245320744.007   3914 192.168.1.21 TCP_MISS/200 426 GET 
http://us.bc.yahoo.com/b? - DIRECT/203.84.204.124 image/gif
1245320745.023   3393 192.168.1.21 TCP_MISS/200 188 GET 
http://httpvcs1.msg.yahoo.com/capacity - DIRECT/216.155.194.34 text/plain





      

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