[squid-users] TCP_MISS/502

Ачилов Рашид Нурмухамедович AchilovRN at granch.ru
Tue Nov 17 14:07:50 UTC 2015

How do you do.

When accessing to site http://www.ycmcnc.com through Squid 3.5.x (tried 
3.5.2 and 3.5.11) immediately at first try occured TCP_MISS/502:

1447767437.903    585 TCP_MISS/502 4267 GET 
http://www.ycmcnc.com/ - HIER_DIRECT/ text/html

When tried access without proxy all OK. When tried access with old Squid 
2.7-STABLE9 all OK. Troubles occured when tried through Squid 3.5.x.

Squid configuration follows (ACL, auth and access sections are stripped):

acl_uses_indirect_client off
log_uses_indirect_client off
http_port XX.XX.XX.XX:8080
host_verify_strict on
cache_mem 512 MB
maximum_object_size_in_memory 64 KB
memory_replacement_policy heap LFUDA
cache_replacement_policy heap LFUDA
maximum_object_size 8 MB
cache_dir diskd /var/spool/squid 20000 64 64
logformat squid      %ts.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru %[un 
%Sh/%<a %mt
access_log daemon:/var/log/squid/access.log squid
cache_store_log daemon:/var/log/squid/store.log
logfile_rotate 0
mime_table /etc/squid/mime.conf
pid_filename /var/run/squid.pid
cache_log /var/log/squid/cache.log
coredump_dir /tmp
ftp_user squid at xxxxx.xx
ftp_passive on
ftp_epsv_all on
ftp_epsv on
ftp_telnet_protocol off
acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern .               0       20%     4320
negative_dns_ttl 30 seconds
request_header_max_size 16 KB
reply_header_max_size 16 KB
ie_refresh on
cache_mgr cachemaster at xxxxxx.xx
visible_hostname        xxxxxxx.xxxxx
digest_generation off
snmp_port 3401
snmp_access allow snmpmon monitor
error_directory         /etc/squid/errors/ru
error_default_language  ru
forwarded_for off
cachemgr_passwd xxxxxxx  all
uri_whitespace deny
max_filedesc 4096

  С Уважением.
  Ачилов Рашид Нурмухамедович (AchilovRN at granch.ru)
  Главный специалист по защите информации
  ООО НПФ "Гранч", тел: +7 (383) 233-35-12, доб. 107

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