Hello, I've setup a internal proxy with squid 3.4.4 on SLES 11 SP3. And with the same version of squid and OS a proxy in DMZ. The internal proxy crashed every 5 minutes. I can't find the reason. 2014/06/30 16:09:06 kid1| Set Current Directory to /var/cache/squid 2014/06/30 16:09:06 kid1| Starting Squid Cache version 3.4.4 for x86_64-suse-linux-gnu... 2014/06/30 16:09:06 kid1| Process ID 31884 2014/06/30 16:09:06 kid1| Process Roles: worker 2014/06/30 16:09:06 kid1| With 40096 file descriptors available 2014/06/30 16:09:06 kid1| Initializing IP Cache... 2014/06/30 16:09:06 kid1| DNS Socket created at 0.0.0.0, FD 8 2014/06/30 16:09:06 kid1| Adding nameserver 194.99.121.30 from squid.conf 2014/06/30 16:09:06 kid1| Adding nameserver 212.121.128.10 from squid.conf 2014/06/30 16:09:06 kid1| Adding nameserver 10.20.94.32 from squid.conf 2014/06/30 16:09:06 kid1| helperOpenServers: Starting 0/200 'squidGuard' processes 2014/06/30 16:09:06 kid1| helperOpenServers: No 'squidGuard' processes needed. 2014/06/30 16:09:06 kid1| helperOpenServers: Starting 0/128 'ntlm_auth' processes 2014/06/30 16:09:06 kid1| helperStatefulOpenServers: No 'ntlm_auth' processes needed. 2014/06/30 16:09:07 kid1| helperOpenServers: Starting 10/80 'ext_ldap_group_acl' processes 2014/06/30 16:09:07 kid1| Logfile: opening log udp://127.0.0.1:7777 2014/06/30 16:09:07 kid1| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec 2014/06/30 16:09:07 kid1| Store logging disabled 2014/06/30 16:09:07 kid1| Swap maxSize 0 + 4194304 KB, estimated 322638 objects 2014/06/30 16:09:07 kid1| Target number of buckets: 16131 2014/06/30 16:09:07 kid1| Using 16384 Store buckets 2014/06/30 16:09:07 kid1| Max Mem size: 4194304 KB 2014/06/30 16:09:07 kid1| Max Swap size: 0 KB 2014/06/30 16:09:07 kid1| Using Least Load store dir selection 2014/06/30 16:09:07 kid1| Set Current Directory to /var/cache/squid 2014/06/30 16:09:07 kid1| Finished loading MIME types and icons. 2014/06/30 16:09:07 kid1| HTCP Disabled. 2014/06/30 16:09:07 kid1| Pinger socket opened on FD 34 2014/06/30 16:09:07 kid1| Configuring Parent 194.99.121.200/3128/0 2014/06/30 16:09:07 kid1| Squid plugin modules loaded: 0 2014/06/30 16:09:07 kid1| Adaptation support is on 2014/06/30 16:09:07 kid1| Accepting HTTP Socket connections at local=0.0.0.0:3128 remote=[::] FD 30 flags=9 2014/06/30 16:09:07 kid1| Accepting SNMP messages on 10.143.153.27:3401 2014/06/30 16:09:07 kid1| Sending SNMP messages from 10.143.153.27:3401 2014/06/30 16:09:07| pinger: Initialising ICMP pinger ... 2014/06/30 16:09:07| icmp_sock: (1) Operation not permitted 2014/06/30 16:09:07| pinger: Unable to start ICMP pinger. 2014/06/30 16:09:07| icmp_sock: (97) Address family not supported by protocol 2014/06/30 16:09:07| pinger: Unable to start ICMPv6 pinger. 2014/06/30 16:09:07| FATAL: pinger: Unable to open any ICMP sockets. 2014/06/30 16:09:07 kid1| Starting new redirector helpers... 2014/06/30 16:09:07 kid1| helperOpenServers: Starting 1/200 'squidGuard' processes 2014/06/30 16:09:07 kid1| Starting new redirector helpers... 2014/06/30 16:09:07 kid1| helperOpenServers: Starting 1/200 'squidGuard' processes 2014/06/30 16:09:07 kid1| recv: (111) Connection refused 2014/06/30 16:09:07 kid1| Closing Pinger socket on FD 34 2014/06/30 16:09:07 kid1| temporary disabling (Forbidden) digest from 194.99.121.200 2014/06/30 16:09:08 kid1| storeLateRelease: released 0 objects (squid-1)(_Z5deathi+0x49)[0x7f8804808229] /lib64/libpthread.so.0(+0xf810)[0x7f880410e810] (squid-1)(_Z19cbdataInternalAlloci+0x27)[0x7f88046aac67] (squid-1)(_ZN15ServerStateData15startAdaptationERK8RefCountIN10Adaptation12ServiceGroupEEP11HttpRequest+0x250)[0x7f88047ffbf0] (squid-1)(_ZN15ServerStateData26noteAdaptationAclCheckDoneE8RefCountIN10Adaptation12ServiceGroupEE+0x62)[0x7f88048000a2] (squid-1)(_ZN12UnaryMemFunTIN10Adaptation9InitiatorE8RefCountINS0_12ServiceGroupEES4_E6doDialEv+0x6a)[0x7f88049240aa] (squid-1)(_ZN9JobDialerIN10Adaptation9InitiatorEE4dialER9AsyncCall+0x35)[0x7f88049237d5] (squid-1)(_ZN9AsyncCall4makeEv+0x313)[0x7f8804888e73] (squid-1)(_ZN14AsyncCallQueue8fireNextEv+0x200)[0x7f880488c4c0] (squid-1)(_ZN14AsyncCallQueue4fireEv+0x28)[0x7f880488c848] (squid-1)(_ZN9EventLoop7runOnceEv+0xe4)[0x7f8804716824] (squid-1)(_ZN9EventLoop3runEv+0x28)[0x7f8804716988] (squid-1)(_Z9SquidMainiPPc+0x464)[0x7f8804797544] (squid-1)(+0x25afa9)[0x7f8804797fa9] /lib64/libc.so.6(__libc_start_main+0xe6)[0x7f8800efcc16] (squid-1)(+0x13fb09)[0x7f880467cb09] FATAL: Received Segment Violation...dying. 2014/06/30 16:09:27 kid1| Closing HTTP port 0.0.0.0:3128 2014/06/30 16:09:27 kid1| storeDirWriteCleanLogs: Starting... 2014/06/30 16:09:27 kid1| Finished. Wrote 0 entries. 2014/06/30 16:09:27 kid1| Took 0.00 seconds ( 0.00 entries/sec). CPU Usage: 0.312 seconds = 0.212 user + 0.100 sys Maximum Resident Size: 82800 KB Page faults with physical i/o: 0 Memory usage for squid via mallinfo(): total space in arena: 7244 KB Ordinary blocks: 6973 KB 57 blks Small blocks: 0 KB 2 blks Holding blocks: 23152 KB 6 blks Free Small blocks: 0 KB Free Ordinary blocks: 270 KB Total in use: 30125 KB 416% Total free: 270 KB 4% 2014/06/30 16:09:30 kid1| Set Current Directory to /var/cache/squid config: Internal Proxy bgstproxyls01:~ # cat /etc/squid/squid.conf # # Recommended minimum configuration: # cache_peer 194.99.121.200 parent 3128 0 no-query default never_direct allow all acl snmppublic snmp_community squid snmp_port 3401 snmp_incoming_address 10.143.153.27 snmp_outgoing_address 10.143.153.27 snmp_access allow all client_db off half_closed_clients off via off cache_mem 4096 MB ipcache_size 2028 fqdncache_size 2048 hosts_file /etc/hosts memory_pools off maximum_object_size 50 MB quick_abort_min 0 KB quick_abort_max 0 KB log_icp_queries off buffered_logs on maximum_object_size 1 KB maximum_object_size 50 MB dns_nameservers 194.99.121.30 212.121.128.10 dns_nameservers 10.20.94.32 # Example rule allowing access from your local networks. # Adapt to list your (internal) IP networks from where browsing # should be allowed acl localnet src 10.0.0.0/8 # RFC1918 possible internal network acl localnet src 172.16.0.0/12 # RFC1918 possible internal network acl localnet src 192.168.0.0/16 # RFC1918 possible internal network acl localnet src fc00::/7 # RFC 4193 local private network range acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines 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 # neu acl SSL method CONNECT acl CONNECT method CONNECT ##### erlaubte Seiten ohne Internetberechtigung acl open-sites dstdomain "/etc/squid/open-sites.txt" ##### erlaubte Seiten ohne Internetberechtigung ##### verbotene Seiten acl denied-sites url_regex "/etc/squid/denied-sites.txt" acl selling-sites url_regex "/etc/squid/selling-sites.txt" acl social-sites url_regex "/etc/squid/social-sites.txt" ##### verbotene Seiten acl allowedurls dstdomain "/etc/squid/bypass.txt" external_acl_type LDAPLookup children-startup=10 children-idle=30 children-max=80 ttl=600 negative_ttl=30 %LOGIN /usr/sbin/ext_ldap_group_acl -d -b "dc=behrgroup,dc=net" -D "CN=BGST-S-SQUID,OU=Service Accounts,OU=bgst,OU=de,DC=behrgroup,DC=net" -W /etc/squid/ppp -f "(&(objectclass=user)(sAMAccountName=%v)(memberof:1.2.840.113556.1.4.1941:=CN=%a,OU=groups,OU=Proxy,OU=Global Groups,DC=behrgroup,dc=net))" -h 10.20.94.32 #debug_options 28,9 # local & manager http_access allow manager localhost http_access deny manager # nur safe & SSL ab hier http_access deny !Safe_ports http_access deny CONNECT !SSL_ports deny_info http://bgstproxyls01/denied.html denied-sites # Squid normally listens to port 3128 http_port 3128 # We recommend you to use at least the following line. hierarchy_stoplist cgi-bin ? # Leave coredumps in the first cache dir coredump_dir /var/cache/squid # Add any of your own refresh_pattern entries above these. 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 ### pure ntlm authentication auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp --domain=BEHRGROUP.NET auth_param ntlm children 128 auth_param ntlm keep_alive off # Zeit-Steuerung für Indien acl indien proxy_auth external LDAPLookup GGPY-LO-Web-Time-Limited acl DAY time 05:30-13:30 # Zeit-Steuerung für Indien acl chkglwebhttp external LDAPLookup GGPY-LO-Web-Http acl sellingUser external LDAPLookup GGPY-LO-Web-Allowed-Selling acl socialUser external LDAPLookup GGPY-LO-Web-Allowed-Social acl allforbUser external LDAPLookup GGPY-LO-Web-Allowed-All acl ftpputUser external LDAPLookup GGPY-LO-Web-Ftp-Put acl loggingUser external LDAPLookup GGPY-LO-Web-Log-User acl auth proxy_auth REQUIRED # bestimmte IP-adressen erlauben acl permitt_ips src 10.143.10.247/32 acl FTP proto FTP acl PUT method PUT # whitelisten http_access allow open-sites all http_access allow localhost http_access allow permitt_ips !denied-sites !social-sites http_access allow indien DAY http_access deny indien http_access deny !chkglwebhttp http_access allow selling-sites sellingUser http_access allow social-sites socialUser # Denied sites rauswerfen, wenn sie nicht ebenfalls in allforbUser stehen http_access allow denied-sites allforbUser http_access deny denied-sites all # tötet alles was in denied-sites steht und "all" ist; also alles was in denied-sites steht, das all kann eigenltich weg. # FTP Regelungen http_access allow FTP PUT ftpputUser http_access deny FTP PUT # Test fuer Feuerecker http_access allow allowedurls # Wer nicht in Listen steht, sich aber trotzdem authentifizieren kann darf durch http_access allow all auth http_access allow auth # Wer hier noch nicht durch ist fliegt raus http_access deny all # access_log daemon:/usr/local/squid/var/logs/access.log squid access_log udp://127.0.0.1:7777 squid ################### icap_enable on icap_send_client_ip on icap_send_client_username on icap_client_username_encode off icap_client_username_header X-Authenticated-User icap_preview_enable on icap_preview_size 128 ################# ## Tred Micro anti virus icap_service service_1 reqmod_precache bypass=on icap://10.143.154.23:1344/REQ-Service icap_service service_2 respmod_precache bypass=on icap://10.143.154.23:1344/respmod adaptation_access service_1 allow all adaptation_access service_2 allow all adaptation_service_set class_1 service_1 adaptation_service_set class_2 service_2 adaptation_access class_1 allow all adaptation_access class_2 allow all ## Tred Micro anti virus redirect_children 20 url_rewrite_program /usr/sbin/squidGuard -c /etc/squidguard.conf url_rewrite_children 200 External Proxy (DMZ) bgstproxyls00:/var/log/squid # cat /etc/squid/squid.conf client_db off half_closed_clients off via off cache_mem 8092 MB ipcache_size 2028 fqdncache_size 2048 hosts_file /etc/hosts memory_pools off maximum_object_size 50 MB quick_abort_min 0 KB quick_abort_max 0 KB log_icp_queries off buffered_logs on maximum_object_size 1 KB maximum_object_size 50 MB dns_nameservers 194.99.121.30 212.121.128.10 dns_nameservers 10.20.94.32 ##### ab hier default http_port 3128 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 acl localnet src 10.0.0.0/8 # RFC 1918 possible internal network acl localnet src 172.16.0.0/12 # RFC 1918 possible internal network acl localnet src 192.168.0.0/16 # RFC 1918 possible internal network acl localnet src fc00::/7 # RFC 4193 local private network range acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines 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 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 localnet http_access deny all access_log daemon:/var/log/squid/squid.log squid Mit freundlichen Grüßen / Kind regards Mr. Andreas Reschke andreas.reschke@xxxxxxxxx, http://www.mahle.com