[squid-users] Squid sibling/parent configuration Error

Hi,

I am trying to implement 2 squid server with sibling and parent as mentioned
below.

Scenario

                          INTERNET
                             |
                             |
         USER(a.a.a.a) ----->Squid 1(Sibling)(a.a.a.a) ----> Squid
2(Parent)(b.b.b)--> INTERNET

Please find my squid configs

Sibling Server

http_port 8080
cache_peer squid1 parent 8080 0 no-query default originserver
prefer_direct on
#never_direct allow all
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY
acl apache rep_header Server ^Apache
broken_vary_encoding allow apache
cache_mem 100 MB
cache_swap_low 90
cache_swap_high 95
access_log /var/log/squid/access.log squid
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
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
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
acl Eng src a.a.a.a
acl US src b.b.b.b
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access allow Eng
http_access allow US
http_access deny all
http_reply_access allow all
icp_access allow all
cache_effective_user squid
cache_effective_group squid
icp_port 0
always_direct deny all
 prefer_direct on
coredump_dir /var/spool/squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern (cgi-bin|\?) 0 0% 0
refresh_pattern . 0 20% 4320
#https_port 8080

Parent Config:

http_port 8080
cache_peer squid1 sibling 8080 0 default originserver
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY
acl apache rep_header Server ^Apache
broken_vary_encoding allow apache
cache_mem 100 MB
cache_swap_low 90
cache_swap_high 95
access_log /var/log/squid/access.log squid
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
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
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
acl US src b.b.b.b
acl eng src a.a.a.a
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access allow eng
http_access allow US
http_access deny all
http_reply_access allow all
icp_access allow all
cache_effective_user squid
cache_effective_group squid
icp_port 0
#always_direct deny all
#prefer_direct on
coredump_dir /var/spool/squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern (cgi-bin|\?) 0 0% 0
refresh_pattern . 0 20% 4320
#https_port 8080

When i browse from a.a.a.a subnet i get the following error after disabling
local internet

The following error was encountered:

Invalid Request
Some aspect of the HTTP Request is invalid. Possible problems:

Missing or unknown request method
Missing URL
Missing HTTP Identifier (HTTP/1.0)
Request is too large
Content-Length missing for POST or PUT requests
Illegal character in hostname; underscores are not allowed
Your cache administrator is root.

--------------------------------------------------------------------------------
Generated Tue, 31 Mar 2009 19:51:19 GMT by squid2 (squid/2.6.STABLE6)

and also i see error on squid 2(parent) in access.log as TCP_DENIED/400 1499
GET error:invalid-request - NONE/- text/html

Please help me and thanks in advance.

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