[squid-users] negotiate_wrapper: fgets() failed! dying..

Donny Vibianto donny.vibianto at gmail.com
Sat Mar 7 15:02:58 UTC 2015

Hi Guys,

After two weeks successful running several authentication in my development
environment with average 10-20 users, i encourage myself to put in my
production. it was up and ran with +-1000 users but only took 3-5 hours
then squid suddenly stopped with error:

2015/03/06 15:07:59| negotiate_wrapper: fgets() failed! dying..... errno=1
(Operation not permitted)
2015/03/06 15:07:59| negotiate_wrapper: fgets() failed! dying..... errno=1
(Operation not permitted)
2015/03/06 15:07:59| negotiate_wrapper: fgets() failed! dying..... errno=1
(Operation not permitted)
2015/03/06 15:07:59| negotiate_wrapper: Return 'AF
RickyC at company.local
2015/03/06 15:07:59| negotiate_wrapper: Return 'AF
JanTS at company.local

i use ubuntu server 14.04 with newest squid 3.5.2

Squid Cache: Version 3.5.2
Service Name: squid
configure options:  '--enable-build-info'
'--enable-removal-policies=lru,heap' '--enable-ltdl-install'
'--enable-storeio=ufs,aufs,rock' '--enable-auth-basic=LDAP'
'--enable-external-acl-helpers=LDAP_group' '--enable-translation'
'--enable-ssl-crtd' '--enable-gnuregex' '--enable-xmalloc-debug'
'--enable-xmalloc-debug-trace' '--enable-xmalloc-statistics'
'--enable-async-io' '--enable-icmp' '--enable-delay-pools'
'--enable-useragent-log' '--enable-kill-parent-hack' '--enable-htpc'
'--enable-forw-via-db' '--enable-cache-digests' '--enable-underscores'
'--enable-x-accelerator-vary' '--enable-esi' '--enable-inline'
'--enable-linux-netfilter' '--with-openssl' '--with-large-files'

here is my squid.conf:

# ===================== ACL Cachemgr
acl manager url_regex -i ^cache_object:// /squid-internal-mgr/
acl managerAdmin src "/usr/local/squid/etc/mgradmin.txt"
acl stream url_regex -i "/usr/local/squid/etc/stream"

acl download url_regex -i "/usr/local/squid/etc/download"
acl whitelist url_regex -i "/usr/local/squid/etc/whitelist"
acl blacklist url_regex -i "/usr/local/squid/etc/blacklist"

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 http proto http

# ==================== Authenticate using negotiate_wrapper
auth_param negotiate program
/usr/local/squid/libexec/negotiate_wrapper_auth -d --ntlm
/usr/bin/ntlm_auth --diagnostics --helper-protocol=squid-2.5-ntlmssp
--kerberos /usr/local/squid/libexec/negotiate_kerberos_auth -s GSS_C_NO_NAME
auth_param negotiate children 50 startup=0 idle=1
auth_param negotiate keep_alive off
# ==================== Authenticate using NTLM
auth_param ntlm program /usr/bin/ntlm_auth --diagnostics
auth_param ntlm children 20 startup=0 idle=1
auth_param ntlm keep_alive off
# ==================== Authenticate using Basic LDAP
auth_param basic program /usr/local/squid/libexec/basic_ldap_auth -R -b
"dc=company,dc=local" -D squid at company.local -w "password" -f
sAMAccountName=%s -h idhqvdc01.company.local,idhqvdc02.company.local
auth_param basic children 5 startup=0 idle=1
auth_param basic realm AGDS Proxy: Please enter your username and password
auth_param basic credentialsttl 1 minute
# ==================== Authenticate to Group Security Actice Directory
external_acl_type memberof ipv4 children-max=10 children-startup=1 %LOGIN
/usr/local/squid/libexec/ext_ldap_group_acl -R -K -S -b
"dc=company,dc=local" -D squid at company.local -w "password" -f
-h idhqvdc01.company.local,idhqvdc02.company.local

acl auth proxy_auth REQUIRED
# ==================== ACL Access hour user
acl ach1 external memberof "/usr/local/squid/etc/ach1.txt" # access hour 1
acl ach2 external memberof "/usr/local/squid/etc/ach2.txt" # access hour 2
acl ach3 external memberof "/usr/local/squid/etc/ach3.txt" # access hour 3
acl ach4 external memberof "/usr/local/squid/etc/ach4.txt" # access hour 4
acl ach2time time D 10:00-11:59
acl ach2time time D 13:00-14:59
acl ach3time time D 08:00-09:59
acl ach3time time D 15:00-16:59
acl ach4time time D 08:00-16:59
acl bebastime time D 00:01-07:59 12:00-13:59 17:00-23:59

http_access deny !Safe_ports # Deny requests to certain unsafe ports
http_access deny CONNECT !SSL_ports # Deny CONNECT to other than secure SSL
http_access allow manager localhost # Only allow cachemgr access from
http_access allow manager managerAdmin
http_access deny manager

#http_access allow localnet
http_access allow localhost
http_access deny blacklist !bebastime

http_access allow http Safe_ports whitelist
http_access allow CONNECT SSL_ports whitelist
#http_access deny all !auth

#http_access allow http Safe_ports ach1
#http_access allow CONNECT SSL_ports ach1
#http_access allow http Safe_ports ach2 !ach2time
#http_access allow CONNECT SSL_ports ach2 !ach2time
#http_access allow http Safe_ports ach3 !ach3time
#http_access allow CONNECT SSL_ports ach3 !ach3time
#http_access allow http Safe_ports ach4 !ach4time
#http_access allow CONNECT SSL_ports ach4 !ach4time

#http_access allow accesshours1
#http_access allow accesshours2 !ach2time
#http_access allow accesshours3 !ach3time
#http_access allow accesshours4 !ach3time

http_access allow ach1
http_access allow ach2 !ach2time
http_access allow ach3 !ach3time
http_access allow ach4 !ach4time

http_access deny all # Deny all other access to this proxy

cache_dir rock /cache1/squid 97485 max-swap-rate=200 swap-timeout=300
cache_dir rock /cache2/squid 97485 max-swap-rate=200 swap-timeout=300
coredump_dir /usr/local/squid/var/cache/squid
# =============================== Refresh Pattern
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

cache_effective_user proxy
visible_hostname proxy.company.local
cache_mgr proxyastragraphia
cachemgr_passwd secret all
#err_page_stylesheet /usr/local/squid/etc/default.css
pinger_enable off
#workers 2

i was tried to put different acl and put my auth_param at the top of my
conf but still dying error. what should i do?
any assistant or hint would be very appreciate. thanks

Donny Vibianto
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