значит так .
есть десктор с Юбунту 7,04, ещё десктор Win Me , лаптоп Win ХР.
Squid настроен  на работу в сети с Win Me(провода) и Win XP(воздух)
Провода работают, воздух - нет.
Пинг есть и файлы перекачиваются.
настройки для сетей одинаковы однаковы ...
конфиг squid.conf

http_port 169.254.0.1:3128
http_port 169.254.1.1:3128  

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        # https
acl SSL_ports port 563        # snews
acl SSL_ports port 873        # rsync
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 Safe_ports port 631        # cups
acl Safe_ports port 873        # rsync
acl Safe_ports port 901        # SWAT
acl purge method PURGE
acl CONNECT method CONNECT
acl Wareless src 169.254.1.0/24
acl LocalNet src 169.254.0.0/24
acl SMTP port 25

http_access allow Wareless
http_access allow LocalNet
http_access deny !Safe_ports
http_access deny SMTP
http_access deny all

icp_port 0

acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY

cache_dir ufs /var/spool/squid 1000 16 256

cache_access_log /var/log/squid/access.log

cache_log /var/log/squid/cache.log

cache_log /var/log/squid/cache.log

cache_log /var/log/squid/cache.log

mime_table /etc/squid/mime.conf

pid_filename /var/run/squid.pid

ftp_user anonymous@

ftp_list_width 32

ftp_passive on

ftp_sanitycheck on

icp_access deny all