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Re: Squid Parent: child process exited due to signal 6

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On 7/22/05, Matt Alexander <lowbassman@xxxxxxxxx> wrote:
> Matt Alexander wrote:
> 
> >I'm drowning in these messages (about every 10 seconds) since the last
> >patch for the DNS vulnerability.  Users then get failed connection
> >messages.  Is there a bug in the patch?
> >
> >Jul 22 09:17:59 proxy squid[16549]: Squid Parent: child process 20248
> >exited due to signal 6
> >Jul 22 09:18:02 proxy squid[16549]: Squid Parent: child process 21970 started
> >
> >


This happens consistently when the website,
http://www.k12foodservice.com/ is accessed.  Can someone tell me if
this is a configuration issue that I can resolve?  We have two Squid
processes with DansGuardian in between.
RedHat ES 4, squid-2.5.STABLE6-3.4E.9, dansguardian-2.8.0.4-1.fc3

/etc/squid/squid.conf:

http_port 8080 2542
icp_port 0
cache_peer 127.0.0.1 parent 2543 7 proxy-only no-query
no-netdb-exchange login=*:nopassword default
cache_mem 64 MB
maximum_object_size 1024 KB
cache_dir aufs /var/spool/squid 500 16 256
cache_store_log none
pid_filename /var/run/squid.pid
ftp_user anonymous@xxxxxxx
auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp
auth_param ntlm children 50
auth_param ntlm use_ntlm_negotiate on # Testing
auth_param basic program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-basic
auth_param basic children 30
auth_param basic realm Web Proxy
auth_param basic credentialsttl 2 hours
auth_param basic casesensitive off
half_closed_clients off
acl localhost src 127.0.0.1/255.255.255.255
http_access allow localhost
acl allow_url dstdomain "/etc/squid/squidbypass.txt"
http_access allow allow_url
external_acl_type nt_group concurrency=20 %LOGIN /usr/lib/squid/wbinfo_group.pl
acl internetusers external nt_group internet
http_access allow internetusers
acl all src 0.0.0.0/0.0.0.0
http_access deny all
http_reply_access allow all
http_reply_access allow all
icp_access deny all
cache_mgr admin@xxxxxxx
forwarded_for off
cachemgr_passwd feefifofum all
never_direct allow all
coredump_dir /var/spool/squid


/etc/squid/squid2.conf:

cache_effective_user squid2
http_port 127.0.0.1:3128
icp_port 0
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
acl QUERY urlpath_regex download
acl QUERY urlpath_regex exe
acl QUERY urlpath_regex zip
acl QUERY urlpath_regex 160
no_cache deny QUERY
acl uncacheddomains url_regex managepro
acl uncacheddomains url_regex performancesolutionstech
no_cache deny uncacheddomains
acl uncachedip dst 66.70.66.75/255.255.255.255
no_cache deny uncachedip
cache_mem 64 MB
maximum_object_size 1024 KB
maximum_object_size_in_memory 64 KB
cache_dir aufs /var/spool/squid2 500 16 256
cache_access_log /var/log/squid2/access.log
cache_log /var/log/squid2/cache.log
cache_store_log none
pid_filename /var/run/squid2.pid
ftp_user anonymous@xxxxxxx
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern -i \.sit$ 10080 80% 20160
refresh_pattern -i \.zip$ 10080 80% 20160
refresh_pattern -i \.hqx$ 10080 80% 20160
refresh_pattern -i \.exe$ 10080 80% 20160
refresh_pattern -i \.arj$ 10080 80% 20160
refresh_pattern -i \.lzh$ 10080 80% 20160
refresh_pattern -i \.lha$ 10080 80% 20160
refresh_pattern -i \.cab$ 10080 80% 20160
refresh_pattern -i \.rar$ 10080 80% 20160
refresh_pattern -i \.tar$ 10080 80% 20160
refresh_pattern -i \.gz$ 10080 80% 20160
refresh_pattern -i \.Z$ 10080 80% 20160
refresh_pattern -i \.txt$ 10080 80% 20160
refresh_pattern -i \.pdf$ 10080 80% 20160
refresh_pattern -i \.doc$ 10080 80% 20160
refresh_pattern -i \.rtf$ 10080 80% 20160
refresh_pattern -i \.gif$ 10080 80% 20160
refresh_pattern -i \.tiff?$ 10080 80% 20160
refresh_pattern -i \.bmp$ 10080 80% 20160
refresh_pattern -i \.jpe?g$ 10080 80% 20160
refresh_pattern -i \.p(n|b|g|p)m$ 10080 80% 20160
refresh_pattern -i \.x(b|p)m$ 10080 80% 20160
refresh_pattern -i \.png$ 10080 80% 20160
refresh_pattern -i \.wrl$ 10080 80% 20160
refresh_pattern -i \.ico$ 10080 80% 20160
refresh_pattern -i \.rgb$ 10080 80% 20160
refresh_pattern -i \.xwd$ 10080 80% 20160
refresh_pattern -i \.pict?$ 10080 80% 20160
refresh_pattern -i \.wav$ 10080 80% 20160
refresh_pattern -i \.aif$ 10080 80% 20160
refresh_pattern -i \.aiff$ 10080 80% 20160
refresh_pattern -i \.au$ 10080 80% 20160
refresh_pattern -i \.ram$ 10080 80% 20160
refresh_pattern -i \.ra$ 10080 80% 20160
refresh_pattern -i \.snd$ 10080 80% 20160
refresh_pattern -i \.mid$ 10080 80% 20160
refresh_pattern -i \.mp2$ 10080 80% 20160
refresh_pattern -i \.mp3$ 10080 80% 20160
refresh_pattern -i \.mp2$ 10080 80% 20160
refresh_pattern -i \.mp3$ 10080 80% 20160
refresh_pattern \.css$ 1440 50% 4320
refresh_pattern \.htm$ 1440 50% 4320
refresh_pattern \.html$ 1440 50% 4320
refresh_pattern \.xml$ 1440 50% 4320
refresh_pattern \.js$ 1440 50% 4320
refresh_pattern \/$ 1440 50% 4320
refresh_pattern .               0       20%     4320
half_closed_clients off
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
http_access allow all
http_access allow manager all
http_access deny manager
http_access allow localhost
http_reply_access allow all
cache_mgr admin@xxxxxxx
forwarded_for off
cachemgr_passwd cachemgr all
coredump_dir /var/spool/squid2


/etc/dansguardian/dansguardian.conf:

reportinglevel = 3
languagedir = '/etc/dansguardian/languages'
language = 'ukenglish'
loglevel = 2
logexceptionhits = off
logfileformat = 1
filterip = 127.0.0.1
filterport = 2543
proxyip = 127.0.0.1
proxyport = 3128
accessdeniedaddress = 'http://proxy.foo.com/cgi-bin/dansguardian.pl'
nonstandarddelimiter = on
usecustombannedimage = 1
custombannedimagefile = '/etc/dansguardian/transparent1x1.gif'
filtergroups = 1
filtergroupslist = '/etc/dansguardian/filtergroupslist'
bannediplist = '/etc/dansguardian/bannediplist'
exceptioniplist = '/etc/dansguardian/exceptioniplist'
banneduserlist = '/etc/dansguardian/banneduserlist'
exceptionuserlist = '/etc/dansguardian/exceptionuserlist'
showweightedfound = off
weightedphrasemode = 1
urlcachenumber = 3000
urlcacheage = 1800
phrasefiltermode = 1
preservecase = 0
hexdecodecontent = 0
forcequicksearch = 0
reverseaddresslookups = off
reverseclientiplookups = off
createlistcachefiles = on
maxuploadsize = -1
maxcontentfiltersize = 256
usernameidmethodproxyauth = on
usernameidmethodntlm = off # **NOT IMPLEMENTED**
usernameidmethodident = off
preemptivebanning = off
forwardedfor = off
usexforwardedfor = off
logconnectionhandlingerrors = off
maxchildren = 180
minchildren = 32
minsparechildren = 8
preforkchildren = 10
maxsparechildren = 64
maxagechildren = 10000
ipcfilename = '/tmp/.dguardianipc'
urlipcfilename = '/tmp/.dguardianurlipc'
nodaemon = off
nologger = off
daemonuser = 'dansg'
daemongroup = 'dansg'
softrestart = off

Thanks for your help!
~Matt


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