Public bug reported: Not sure if this is the right place. I've been trying to find the correct bug tracker for hours. This was the only place I could see that was at all relevant.
I configured squid3.HEAD-20120823-r12295 on an up to date Ubuntu 12.04.1 LTS (64 bit) machine like so: ./configure --build=x86_64-linux-gnu --prefix=/usr --includedir=/include --mandir=/share/man --infodir=/share/info --sysconfdir=/etc --localstatedir=/var --libexecdir=/lib/squid3 --disable-maintainer-mode --disable-dependency-tracking --disable-silent-rules --srcdir=. --datadir=/usr/share/squid3 --sysconfdir=/etc/squid3 --mandir=/usr/share/man --with-cppunit-basedir=/usr --enable-inline --enable-async-io=8 --enable-storeio=ufs,aufs,diskd --enable-removal- policies=lru,heap --enable-delay-pools --enable-cache-digests --enable- underscores --enable-icap-client --enable-ssl --enable-ssl-crtd --enable-follow-x-forwarded-for --enable-basic-auth- helpers=LDAP,MSNT,NCSA,PAM,SASL,SMB,YP,DB,POP3,getpwnam,squid_radius_auth ,multi-domain-NTLM --enable-ntlm-auth-helpers=smb_lm, --enable-digest- auth-helpers=ldap,password --enable-negotiate-auth- helpers=squid_kerb_auth --enable-external-acl- helpers=ip_user,ldap_group,session,unix_group,wbinfo_group --enable-arp- acl --enable-esi --enable-zph-qos --disable-translation --with- logdir=/var/log/squid3 --with-pidfile=/var/run/squid3.pid --with- filedescriptors=65536 --with-large-files --with-default-user=proxy --enable-linux-netfilter build_alias=x86_64-linux-gnu I configured the squid.conf like so: 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 http_access deny manager http_access allow localnet http_access allow localhost http_access deny all http_port 0.0.0.0:8080 host_verify_strict off cache_mem 64 MB memory_cache_shared off coredump_dir /var/cache/squid 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 shutdown_lifetime 1 seconds always_direct allow all icap_enable on icap_connect_timeout 10 seconds icap_io_timeout 10 seconds icap_service_failure_limit 100 in 1 seconds icap_service_revival_delay 20 icap_preview_enable on icap_206_enable on icap_persistent_connections on adaptation_send_client_ip on adaptation_send_username on icap_client_username_header X-Client-Username icap_client_username_encode off icap_service service_blocker reqmod_precache icap://myicapserver:1344/reqmod bypass=off ipv6=off adaptation_access service_blocker allow all icap_retry allow all icap_retry_limit 10000 allow_underscore on dns_defnames on hosts_file /etc/hosts dns_v4_first on memory_pools_limit 32 MB forwarded_for off connect_retries 3 workers 1 unlinkd_program /usr/lib/squid3/unlinkd logfile_daemon /usr/lib/squid3/log_file_daemon I need this version as it has new features I require and quickly ran into a problem with the ICAP support. Running tcpdump, I can see regular OPTIONS request and responses from squid to the ICAP server, but squid never attempts to issue a REQMOD request, I get ICAP protocol error in the browser or it simply hangs there, and the cache.log shows.... 2012/08/23 11:35:08 kid1| essential ICAP service is down after an options fetch failure: icap://myicapserver:1344/reqmod [down,!opt] 2012/08/23 11:35:09 kid1| suspending ICAP service for too many failures 2012/08/23 11:35:38 kid1| essential ICAP service is up: icap://myicapserver:1344/reqmod [up] 2012/08/23 11:35:52 kid1| WARNING: ICAP Max-Connections limit exceeded for service icap://myicapserver:1344/reqmod. Open connections now: 10000, including 0 idle persistent connections. There are only a maximum of 2 or 3 connections open to the ICAP server at any given time, so the message "Open connections now: 10000", is simply wrong. This problem renders the ICAP adaption support useless. If this is the wrong place to report the bug, please advise. ** Affects: squid3 (Ubuntu) Importance: Undecided Status: New ** Description changed: Not sure if this is the right place. I've been trying to find the correct bug tracker for hours. This was the only place I could see that was at all relevant. I configured squid3.HEAD-20120823-r12295 on an up to date Ubuntu 12.04.1 LTS (64 bit) machine like so: ./configure --build=x86_64-linux-gnu --prefix=/usr --includedir=/include --mandir=/share/man --infodir=/share/info --sysconfdir=/etc --localstatedir=/var --libexecdir=/lib/squid3 --disable-maintainer-mode --disable-dependency-tracking --disable-silent-rules --srcdir=. --datadir=/usr/share/squid3 --sysconfdir=/etc/squid3 --mandir=/usr/share/man --with-cppunit-basedir=/usr --enable-inline --enable-async-io=8 --enable-storeio=ufs,aufs,diskd --enable-removal- policies=lru,heap --enable-delay-pools --enable-cache-digests --enable- underscores --enable-icap-client --enable-ssl --enable-ssl-crtd --enable-follow-x-forwarded-for --enable-basic-auth- helpers=LDAP,MSNT,NCSA,PAM,SASL,SMB,YP,DB,POP3,getpwnam,squid_radius_auth ,multi-domain-NTLM --enable-ntlm-auth-helpers=smb_lm, --enable-digest- auth-helpers=ldap,password --enable-negotiate-auth- helpers=squid_kerb_auth --enable-external-acl- helpers=ip_user,ldap_group,session,unix_group,wbinfo_group --enable-arp- acl --enable-esi --enable-zph-qos --disable-translation --with- logdir=/var/log/squid3 --with-pidfile=/var/run/squid3.pid --with- filedescriptors=65536 --with-large-files --with-default-user=proxy --enable-linux-netfilter build_alias=x86_64-linux-gnu I configured the squid.conf like so: 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 http_access deny manager http_access allow localnet http_access allow localhost http_access deny all http_port 0.0.0.0:8080 host_verify_strict off cache_mem 64 MB memory_cache_shared off coredump_dir /var/cache/squid 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 shutdown_lifetime 1 seconds always_direct allow all icap_enable on icap_connect_timeout 10 seconds icap_io_timeout 10 seconds icap_service_failure_limit 100 in 1 seconds icap_service_revival_delay 20 icap_preview_enable on icap_206_enable on icap_persistent_connections on adaptation_send_client_ip on adaptation_send_username on - adaptation_send_client_username_hmac on icap_client_username_header X-Client-Username icap_client_username_encode off icap_service service_blocker reqmod_precache icap://myicapserver:1344/reqmod bypass=off ipv6=off adaptation_access service_blocker allow all icap_retry allow all icap_retry_limit 10000 allow_underscore on dns_defnames on hosts_file /etc/hosts dns_v4_first on memory_pools_limit 32 MB forwarded_for off connect_retries 3 workers 1 unlinkd_program /usr/lib/squid3/unlinkd logfile_daemon /usr/lib/squid3/log_file_daemon I need this version as it has new features I require and quickly ran into a problem with the ICAP support. Running tcpdump, I can see regular OPTIONS request and responses from squid to the ICAP server, but squid never attempts to issue a REQMOD request, I get ICAP protocol error in the browser or it simply hangs there, and the cache.log shows.... 2012/08/23 11:35:08 kid1| essential ICAP service is down after an options fetch failure: icap://myicapserver:1344/reqmod [down,!opt] 2012/08/23 11:35:09 kid1| suspending ICAP service for too many failures 2012/08/23 11:35:38 kid1| essential ICAP service is up: icap://myicapserver:1344/reqmod [up] 2012/08/23 11:35:52 kid1| WARNING: ICAP Max-Connections limit exceeded for service icap://myicapserver:1344/reqmod. Open connections now: 10000, including 0 idle persistent connections. There are only a maximum of 2 or 3 connections open to the ICAP server at any given time, so the message "Open connections now: 10000", is simply wrong. This problem renders the ICAP adaption support useless. If this is the wrong place to report the bug, please advise. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040588 Title: squid3.HEAD (20120823-r12295) "WARNING: ICAP Max-Connections limit exceeded" bug To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/squid3/+bug/1040588/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs