Hello, I know this is a common issue, and I found many instances of people complaining about it online, but I have not found a working fix yet.
It is also important to know that I am running multiple Squid instances on the same machine, they are all getting the error at the same time, and I have plenty of RAM and CPU available, some more info below. Is a possible workaround that might be just replacing the line with this? or will this cause a problem? access_log /var/log/squid/access2.log INFO - Versions: Squid Cache: Version 4.10 Ubuntu 20.04.4 LTS Example squid.conf: visible_hostname squid2 access_log daemon:/var/log/squid/access2.log squid cache_log /var/log/squid/cache2.log pid_filename /var/run/squid2.pid acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN) acl localnet src 10.0.0.0/8 # RFC 1918 local private network (LAN) acl localnet src 100.64.0.0/10 # RFC 6598 shared address space (CGN) acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly plugged) machines acl localnet src 172.16.0.0/12 # RFC 1918 local private network (LAN) acl localnet src 192.168.0.0/16 # RFC 1918 local private network (LAN) 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 !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost manager http_access deny manager # include /etc/squid/conf.d/* http_access allow localhost acl aws src *censored* http_access allow aws # http_access deny all tcp_outgoing_address *censored* http_port 10002 coredump_dir /var/spool/squid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern \/(Packages|Sources)(|\.bz2|\.gz|\.xz)$ 0 0% 0 refresh-ims refresh_pattern \/Release(|\.gpg)$ 0 0% 0 refresh-ims refresh_pattern \/InRelease$ 0 0% 0 refresh-ims refresh_pattern \/(Translation-.*)(|\.bz2|\.gz|\.xz)$ 0 0% 0 refresh-ims refresh_pattern . 0 20% 4320 shutdown_lifetime 1 seconds logfile_rotate 0 max_filedescriptors 16384 dns_nameservers 8.8.8.8 8.8.4.4 1.1.1.1 cache deny all cache_dir null /tmp via off forwarded_for off request_header_access From deny all request_header_access Server deny all request_header_access WWW-Authenticate deny all request_header_access Link deny all request_header_access Cache-Control deny all request_header_access Proxy-Connection deny all request_header_access X-Cache deny all request_header_access X-Cache-Lookup deny all request_header_access Via deny all request_header_access X-Forwarded-For deny all request_header_access Pragma deny all request_header_access Keep-Alive deny all dns_v4_first on Example service file: ## Copyright (C) 1996-2020 The Squid Software Foundation and contributors ## ## Squid software is distributed under GPLv2+ license and includes ## contributions from numerous individuals and organizations. ## Please see the COPYING and CONTRIBUTORS files for details. ## [Unit] Description=Squid Web Proxy Server Documentation=man:squid(8) After=network.target network-online.target nss-lookup.target [Service] Type=forking PIDFile=/var/run/squid2.pid ExecStartPre=/usr/sbin/squid --foreground -z -f /etc/squid/squid2.conf ExecStart=/usr/sbin/squid -sYC -f /etc/squid/squid2.conf ExecReload=/bin/kill -HUP $MAINPID KillMode=mixed [Install] WantedBy=multi-user.target Permissions: ➜ ls -alt /etc/squid/ total 128 drwxr-xr-x 2 root root 4096 Sep 6 11:33 . -rw-r--r-- 1 root root 2831 Sep 6 11:33 squid7.conf drwxr-xr-x 116 root root 4096 Sep 6 11:33 .. -rw-r--r-- 1 root root 2830 Sep 6 11:33 squid2.conf -rw-r--r-- 1 root root 2836 Sep 6 11:33 squid13.conf -rw-r--r-- 1 root root 2836 Sep 6 11:32 squid23.conf -rw-r--r-- 1 root root 2836 Sep 6 11:32 squid19.conf -rw-r--r-- 1 root root 2832 Sep 6 11:32 squid1.conf -rw-r--r-- 1 root root 2836 Sep 6 11:32 squid17.conf -rw-r--r-- 1 root root 2832 Sep 6 11:31 squid4.conf -rw-r--r-- 1 root root 2834 Sep 6 11:31 squid21.conf -rw-r--r-- 1 root root 2833 Sep 6 11:31 squid25.conf -rw-r--r-- 1 root root 2834 Sep 6 11:31 squid12.conf -rw-r--r-- 1 root root 2832 Sep 6 11:31 squid3.conf -rw-r--r-- 1 root root 2836 Sep 6 11:30 squid10.conf -rw-r--r-- 1 root root 2835 Sep 6 11:30 squid11.conf -rw-r--r-- 1 root root 2833 Sep 6 11:30 squid18.conf -rw-r--r-- 1 root root 2830 Sep 6 11:30 squid8.conf -rw-r--r-- 1 root root 2830 Sep 6 11:30 squid6.conf -rw-r--r-- 1 root root 2833 Sep 6 11:30 squid28.conf -rw-r--r-- 1 root root 2830 Sep 6 11:25 squid9.conf -rw-r--r-- 1 root root 2836 Sep 6 11:25 squid24.conf -rw-r--r-- 1 root root 2835 Sep 6 11:25 squid22.conf -rw-r--r-- 1 root root 2837 Sep 6 11:25 squid20.conf -rw-r--r-- 1 root root 2836 Sep 6 11:25 squid16.conf -rw-r--r-- 1 root root 2835 Sep 6 11:25 squid15.conf -rw-r--r-- 1 root root 2836 Sep 6 11:25 squid14.conf -rw-r--r-- 1 root root 2831 Sep 6 11:25 squid5.conf -rw-r--r-- 1 root root 2833 Sep 6 11:25 squid27.conf -rw-r--r-- 1 root root 2835 Sep 6 11:25 squid26.conf -rw-r--r-- 1 root root 2835 Sep 6 11:25 squid30.conf -rw-r--r-- 1 root root 2835 Sep 6 11:25 squid29.conf
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